Half Ironman Triathlons in United Kingdom

Showing 1 - 38 of 38 events
JUL13
Registration Perks
The Islander – Middle Distance Triathlon

Located on the central beach, this makes for a great family day out. Take in the stunning scenery of the island, swim off the beach at slack tide, and cycle along the scenic country lanes of Essex.

This is a great event for the more experienced triathlete but is also a challenge for endurance lovers.

Details

The Islander – Middle Distance Triathlon

140 Coast Rd, West Mersea, Colchester CO5 8NX, UKView event
About the event
From the organiser

Located on the central beach, this makes for a great family day out. Take in the stunning scenery of the island, swim off the beach at slack tide, and cycle along the scenic country lanes of Essex.

This is a great event for the more experienced triathlete but is also a challenge for endurance lovers.

£125 - £180
The Islander – Middle Distance Triathlon
JUL14
Registration Perks
The Fugitive Triathlon

The Fugitive Half Iron Distance is the only long distance event in the Thames Valley. a fairly flat scenic course taking in the views of Marlow and the surrounding areas.

This is the 10th year of the Fugitive Sprint & Olympic Distance Triathlon, consisting of a river swim, cycling and running. The event has attracted 1000s of participants over the year and is open to all levels of participant and encourages first time triathletes to the event.

Details

The Fugitive Triathlon

Little Kickers Maidenhead, 5 Pound Ln, Marlow SL7 2AE, UKView event
About the event
From the organiser

The Fugitive Half Iron Distance is the only long distance event in the Thames Valley. a fairly flat scenic course taking in the views of Marlow and the surrounding areas.

This is the 10th year of the Fugitive Sprint & Olympic Distance Triathlon, consisting of a river swim, cycling and running. The event has attracted 1000s of participants over the year and is open to all levels of participant and encourages first time triathletes to the event.

£45 - £125
The Fugitive Triathlon
AUG31
Registration Perks
The White Bear Triathlon – Half & Full

Situated on the world-famous Antrim Coast Road you will find Ballygally Beach, nestled under the Sallagh Braes and home to the historic Ballygally Castle.

Views of the infamous North channel and the Mull of Kintyre will meet you as you stand ready for a running beach start and a day of endurance, courtesy of Force 12 events.

No one can dispute the beauty of the Antrim Coast, an area steeped in history, culture and myth... but truly unforgiving for the unprepared.

Details

The White Bear Triathlon – Half & Full

Odeum Architecture, Ballygally, POB94, Ballygalley, Larne BT40 9BQ, UKView event
About the event
From the organiser

Situated on the world-famous Antrim Coast Road you will find Ballygally Beach, nestled under the Sallagh Braes and home to the historic Ballygally Castle.

Views of the infamous North channel and the Mull of Kintyre will meet you as you stand ready for a running beach start and a day of endurance, courtesy of Force 12 events.

No one can dispute the beauty of the Antrim Coast, an area steeped in history, culture and myth... but truly unforgiving for the unprepared.

£64 - £195
The White Bear Triathlon – Half & Full
JUN2
EpicMan Windermere

EpicMan is the ultimate middle distance (Half-Iron) triathlon, based at YMCA Lakeside, on the shore of Lake Windermere. The swim takes place in the clear waters of Lake Windermere and is a single lap course. The cycle takes place on undulating roads around the South Lakes and the half marathon will be a looped course within the grounds of YMCA Lakeside, providing great spectator support. We also have a fantastic standard distance course on the same day. There will be lots of things going on at the race venue, come and join us for an EPIC day of triathlon!

Details

EpicMan Windermere

YMCA Lakeside, Newby Bridge, Lakeside, Ulverston LA12 8BD, UKView event
About the event
From the organiser

EpicMan is the ultimate middle distance (Half-Iron) triathlon, based at YMCA Lakeside, on the shore of Lake Windermere. The swim takes place in the clear waters of Lake Windermere and is a single lap course. The cycle takes place on undulating roads around the South Lakes and the half marathon will be a looped course within the grounds of YMCA Lakeside, providing great spectator support. We also have a fantastic standard distance course on the same day. There will be lots of things going on at the race venue, come and join us for an EPIC day of triathlon!

£59 - £94
EpicMan Windermere
JUN2
Registration Perks
Big East Triathlon


The triathlon runs alongside the Tour of the Dengie Cycle Sportive & Fun Ride.

The Big East Triathlon is set in an ideal location for triathlon and is great preparation for Ironman, the season ahead, or anyone in search of a new challenge. There are two distances to choose from: Challenge Distance and Middle Distance.

The event consists of an Open Water Swim in the River Blackwater, Cycle around the quiet and scenic roads of the Dengie Peninsula and finishes with an inspirational lapped Run around the sea wall and marshes passing the historic St Peters Chapel. The Big East Triathlon has already established itself as a true classic!

Details

Big East Triathlon

3 Waterside Rd, Bradwell-on-Sea, Southminster CM0 7QU, UKView event
About the event
From the organiser


The triathlon runs alongside the Tour of the Dengie Cycle Sportive & Fun Ride.

The Big East Triathlon is set in an ideal location for triathlon and is great preparation for Ironman, the season ahead, or anyone in search of a new challenge. There are two distances to choose from: Challenge Distance and Middle Distance.

The event consists of an Open Water Swim in the River Blackwater, Cycle around the quiet and scenic roads of the Dengie Peninsula and finishes with an inspirational lapped Run around the sea wall and marshes passing the historic St Peters Chapel. The Big East Triathlon has already established itself as a true classic!

£57 - £115
Big East Triathlon
JUN8
Registration Perks
Wales Triathlon
Fishguard, Wales, United Kingdom

The Wales Triathlon will take place in Fishguard, Pembrokeshire. Winner of the 220 triathlon awards for best triathlon, the weekend is ideal for new and experienced athletes alike.

The Fishguard Sprint Triathlon will take place in Fishguard, Pembrokeshire with a fast course set in an incredible location.

If you are looking for a race with an enclosed stunning sea swim; sea views, fantastic village support, topped off with one of the most breathtaking scenic runs on the circuit... Enter now!

Details

Wales Triathlon

The Square, Fishguard SA65 9HB, UKView event
About the event
From the organiser

The Wales Triathlon will take place in Fishguard, Pembrokeshire. Winner of the 220 triathlon awards for best triathlon, the weekend is ideal for new and experienced athletes alike.

The Fishguard Sprint Triathlon will take place in Fishguard, Pembrokeshire with a fast course set in an incredible location.

If you are looking for a race with an enclosed stunning sea swim; sea views, fantastic village support, topped off with one of the most breathtaking scenic runs on the circuit... Enter now!

£45 - £125
Wales Triathlon
JUN9
Ironman 70.3 Staffordshire

Staffordshire is a landlocked county in the West Midlands of England. Part of the National Forest lies within its borders. It adjoins Cheshire to the north-west, Derbyshire and Leicestershire to the east, Warwickshire to the south-east, West Midlands and Worcestershire to the south and Shropshire to the west. Staffordshire is home to the highest village in Britain, Flash.

Details

Ironman 70.3 Staffordshire

117 Milwich Rd, Stafford ST18 0DW, UKView event
About the event
From the organiser

Staffordshire is a landlocked county in the West Midlands of England. Part of the National Forest lies within its borders. It adjoins Cheshire to the north-west, Derbyshire and Leicestershire to the east, Warwickshire to the south-east, West Midlands and Worcestershire to the south and Shropshire to the west. Staffordshire is home to the highest village in Britain, Flash.

£300 - £330
Ironman 70.3 Staffordshire
JUN15
Titan Brecon Middle Distance
Ebbw Vale, Wales, United Kingdom

Titan Brecon Middle Distance Triathlon is back and promises to be bigger and better than ever. Titan Brecon is now firmly established on the British middle distance triathlon calendar.

A superb venue in the Welsh Brecon Beacons, with a beautiful lake swim, an epic bike course and a traffic-free park-based run.

Details

Titan Brecon Middle Distance

Belle Vue, Newchurch Rd, Ebbw Vale NP23 5AA, UKView event
About the event
From the organiser

Titan Brecon Middle Distance Triathlon is back and promises to be bigger and better than ever. Titan Brecon is now firmly established on the British middle distance triathlon calendar.

A superb venue in the Welsh Brecon Beacons, with a beautiful lake swim, an epic bike course and a traffic-free park-based run.

£125 - £155
Titan Brecon Middle Distance
JUN16
The Lakesman Triathlon

Designed to appeal to both the experienced or novice endurance athlete the race is based in Keswick, with a superb transition area at The Theatre by the Lake. The swim takes place in the crystal clear waters of Derwentwater, generally regarded on the Lake Districts most scenic lakes. Both bike route make their way to the west coast of Cumbria where competitors get to experience a side of the lakes often unvisited by tourists, with mountains on one side and the sea on the other. During the run stage athletes will have the opportunity running through superb countryside with views to the likes of Skiddaw as well as a spectator friendly section through Keswick town centre.

Details

The Lakesman Triathlon

9 Victoria St, Keswick CA12 5LP, UKView event
About the event
From the organiser

Designed to appeal to both the experienced or novice endurance athlete the race is based in Keswick, with a superb transition area at The Theatre by the Lake. The swim takes place in the crystal clear waters of Derwentwater, generally regarded on the Lake Districts most scenic lakes. Both bike route make their way to the west coast of Cumbria where competitors get to experience a side of the lakes often unvisited by tourists, with mountains on one side and the sea on the other. During the run stage athletes will have the opportunity running through superb countryside with views to the likes of Skiddaw as well as a spectator friendly section through Keswick town centre.

£182 - £298
The Lakesman Triathlon
JUN23
Immortal Half – Wimbleball
Brompton Regis, South West, United Kingdom

After a successful event in 2018, Immortal Sport are pleased to bring their tried and tested Middle Distance Triathlon experience to the fantastic Wimbleball venue.

Details

Immortal Half – Wimbleball

1 Higher Cowlings, Brompton Regis, Dulverton TA22 9NU, UKView event
About the event
From the organiser

After a successful event in 2018, Immortal Sport are pleased to bring their tried and tested Middle Distance Triathlon experience to the fantastic Wimbleball venue.

£155 - £174
Immortal Half – Wimbleball
JUL7
The Festival of Endurance at Hever Castle
Hever Castle, South East, United Kingdom

We are pleased to announce that the Festival of Endurance will return on Sunday 7th July 2019.

Due to popular demand the Gauntlet half iron distance triathlon is returning with athletes racing alongside the full iron distance or Bastion competitors around much the same course. Whilst these two epic triathlons are taking place a further 4 sets of endurance challenge races are taking place including an Aquabike, an Aquathlon, Long Distance Running and Long Distance Swimming making this a true celebration of the art of going long. Please read on for more details.

Details

The Festival of Endurance at Hever Castle

1 Stable Flats, Hever Castle, Hever, Edenbridge TN8 7NG, UKView event
About the event
From the organiser

We are pleased to announce that the Festival of Endurance will return on Sunday 7th July 2019.

Due to popular demand the Gauntlet half iron distance triathlon is returning with athletes racing alongside the full iron distance or Bastion competitors around much the same course. Whilst these two epic triathlons are taking place a further 4 sets of endurance challenge races are taking place including an Aquabike, an Aquathlon, Long Distance Running and Long Distance Swimming making this a true celebration of the art of going long. Please read on for more details.

Free
The Festival of Endurance at Hever Castle
JUL7
The Weymouth Middle Distance Triathlon

This event will consist of three separate races, a sprint, a classic and a half iron distance triathlon. With race HQ based at Weymouth College, this is the ideal location for all of the family.

Details

The Weymouth Middle Distance Triathlon

Swannery Bridge, Weymouth DT4 7TY, UKView event
About the event
From the organiser

This event will consist of three separate races, a sprint, a classic and a half iron distance triathlon. With race HQ based at Weymouth College, this is the ideal location for all of the family.

£40 - £100
The Weymouth Middle Distance Triathlon
JUL14
Registration Perks
Fambridge Yacht Haven Triathlon

The event takes place on Sunday 8th July 2018 and starts and finishes at the Fambridge Yacht Station on the River Crouch. North Fambridge is a charming, peaceful and idyllic village, perfect for a triathlon.

The triathlon starts with a challenging Open Water Swim in the tidal River Crouch, followed by a Cycle along the flat course of the Dengie Peninsula through small villages and with coastal views. The Run is a lapped course through North Fambridge, passing Blue House Farm Nature Reserve. The end of each lap sees competitors pass by a 500 year old pub, the perfect viewing location for spectators and this creates a great atmosphere with plenty of encouragement.

Half Distance: 1.9km Swim, 90km Cycle, 18km Run.

For full information and to enter the race, visit www.dengieevents.co.uk

Details

Fambridge Yacht Haven Triathlon

Ferry Rd, Chelmsford CM3 6LR, UKView event
About the event
From the organiser

The event takes place on Sunday 8th July 2018 and starts and finishes at the Fambridge Yacht Station on the River Crouch. North Fambridge is a charming, peaceful and idyllic village, perfect for a triathlon.

The triathlon starts with a challenging Open Water Swim in the tidal River Crouch, followed by a Cycle along the flat course of the Dengie Peninsula through small villages and with coastal views. The Run is a lapped course through North Fambridge, passing Blue House Farm Nature Reserve. The end of each lap sees competitors pass by a 500 year old pub, the perfect viewing location for spectators and this creates a great atmosphere with plenty of encouragement.

Half Distance: 1.9km Swim, 90km Cycle, 18km Run.

For full information and to enter the race, visit www.dengieevents.co.uk

£91 - £122.50
Fambridge Yacht Haven Triathlon
JUL20
Castle Howard Triathlon

The rapturous reception afforded to previous Castle Howard Triathlons subsequently led to the expansion of a 2-day weekend extravaganza.

In its 10th year, the Castle Howard Triathlon will be the 4th weekend event of the 2019 Castle Tri Series and will once again feature the obligatory picture postcard backdrop and a course with something for every level of triathlete. The 13,000 acre grounds of Castle Howard form arguably the most physically demanding triathlon course of the Castle Tri Series.

Race entrants will start the race by swimming through Castle Howards Great Lake before transitioning into the technical bike route through the glorious rural idyll of Yorkshire and the Howardian Hills. The spectacular run leg passes through the undulating countryside of the estate before a sprint finish tops everything off in style right in front of the main doors of the house. Theres never been a better time to visit Gods Own County and Castle Howard.

The construction of Castle Howard took more than 100 years before being finally completed in the 18th Century, and spanned the lifetime of three earls and numerous architects, although Sir John Vanbrugh is credited with the original design. The Great Lake is the setting for the swim section of the triathlon.

Set in the Howardian Hills, the bike legs initially take in the 18th Century Avenue, a main road that runs in a straight line from south to north for five miles. The run will pass The Temple of the Four Winds and one of the finest, free-standing mausoleums in Europe. A hop over New River Bridge, a circumnavigation of South Lake and the Atlas Fountain will take racers to the finishing straight in front of Castle Howard itself.

Castle Howard has been a regular backdrop for films and television, with both ITVs lauded Brideshead Revisited in the early 1980s and the acclaimed 2008 feature film production shot on location here, hence the name of our adult races.

NB All timings are approximate.

Details

Castle Howard Triathlon

Visitor Centre, Castle Howard, York YO60 7DA, UKView event
About the event
From the organiser

The rapturous reception afforded to previous Castle Howard Triathlons subsequently led to the expansion of a 2-day weekend extravaganza.

In its 10th year, the Castle Howard Triathlon will be the 4th weekend event of the 2019 Castle Tri Series and will once again feature the obligatory picture postcard backdrop and a course with something for every level of triathlete. The 13,000 acre grounds of Castle Howard form arguably the most physically demanding triathlon course of the Castle Tri Series.

Race entrants will start the race by swimming through Castle Howards Great Lake before transitioning into the technical bike route through the glorious rural idyll of Yorkshire and the Howardian Hills. The spectacular run leg passes through the undulating countryside of the estate before a sprint finish tops everything off in style right in front of the main doors of the house. Theres never been a better time to visit Gods Own County and Castle Howard.

The construction of Castle Howard took more than 100 years before being finally completed in the 18th Century, and spanned the lifetime of three earls and numerous architects, although Sir John Vanbrugh is credited with the original design. The Great Lake is the setting for the swim section of the triathlon.

Set in the Howardian Hills, the bike legs initially take in the 18th Century Avenue, a main road that runs in a straight line from south to north for five miles. The run will pass The Temple of the Four Winds and one of the finest, free-standing mausoleums in Europe. A hop over New River Bridge, a circumnavigation of South Lake and the Atlas Fountain will take racers to the finishing straight in front of Castle Howard itself.

Castle Howard has been a regular backdrop for films and television, with both ITVs lauded Brideshead Revisited in the early 1980s and the acclaimed 2008 feature film production shot on location here, hence the name of our adult races.

NB All timings are approximate.

£35 - £220
Castle Howard Triathlon
JUL21
Registration Perks
Owler Triathlon
Romney Marsh, South East, United Kingdom

Returning to probably the fastest middle distance triathlon in the South East in 2019. New parking area for competitors and spectators plus a new run route.

Owler Tris offer middle distance plus standard triathlons, aquabikes and OWS.

The triathlons will start in Lydd Lake with a two lapped swim, before competitors ride a flat lapped bike route on scenic country roads through Lydd, Brooklands and Camber, before returning to transition at Lydd lake.

The 21K run section is flat four laps out and back route along paths around lake and surrounding paths. The standard run also follows the same route. You then head to cross the finish line in style.

Also on offer the Owler Aquabike both at half, standard and sprint distance.

Details

Owler Triathlon

Jurys Gap Rd, Romney Marsh TN29, UKView event
About the event
From the organiser

Returning to probably the fastest middle distance triathlon in the South East in 2019. New parking area for competitors and spectators plus a new run route.

Owler Tris offer middle distance plus standard triathlons, aquabikes and OWS.

The triathlons will start in Lydd Lake with a two lapped swim, before competitors ride a flat lapped bike route on scenic country roads through Lydd, Brooklands and Camber, before returning to transition at Lydd lake.

The 21K run section is flat four laps out and back route along paths around lake and surrounding paths. The standard run also follows the same route. You then head to cross the finish line in style.

Also on offer the Owler Aquabike both at half, standard and sprint distance.

£20 - £150
Owler Triathlon
JUL21
Sospan Sizzler Middle Distance Triathlon
Burry Port, Cymru, United Kingdom

A fantastic Middle Distance Triathlon in the heart of West Wales which was introduced in 2016.

Details

Sospan Sizzler Middle Distance Triathlon

4 Heol-Y-Llan, Burry Port SA16 0AP, UKView event
About the event
From the organiser

A fantastic Middle Distance Triathlon in the heart of West Wales which was introduced in 2016.

£80
Sospan Sizzler Middle Distance Triathlon
JUL21
Immortal Half Farmoor

Following on from a hugely successful 2018 season, we are very excited to announce a return to one of our favourite venues, Farmoor Reservoir.

Details

Immortal Half Farmoor

Mayfield Road, Cumnor, Oxford OX2 9NP, UKView event
About the event
From the organiser

Following on from a hugely successful 2018 season, we are very excited to announce a return to one of our favourite venues, Farmoor Reservoir.

£155 - £160
Immortal Half Farmoor
JUL27
The Snowman Triathlon
Betws-y-Coed, Wales, United Kingdom

Will you conquer 'the toughest physical challenge in the UK' - the Snowman Legend 71.6 this year?

This epic race holds a special place in the hearts of everyone who has experienced it and features everything that makes this Always Aim High event one of the 'must do' races of the season!

Featuring a breathtaking swim in Llyn Mymbyr at Plas y Brenin (the national mountaineering centre), the competitors then take on a truly epic cycle through the heart of the Snowdonia National Park.

For competitors taking part in the Legend 71.6 and Full distance races, the Snowman offers one of the toughest 'runs' the UK has to offer - to the summit of Moel Siabod and straight back down to the finish line at Plas y Brenin! Sprint runners will race on a much flatter, but equally stunning course.

Details

The Snowman Triathlon

70 A4086, Betws-y-Coed LL24, UKView event
About the event
From the organiser

Will you conquer 'the toughest physical challenge in the UK' - the Snowman Legend 71.6 this year?

This epic race holds a special place in the hearts of everyone who has experienced it and features everything that makes this Always Aim High event one of the 'must do' races of the season!

Featuring a breathtaking swim in Llyn Mymbyr at Plas y Brenin (the national mountaineering centre), the competitors then take on a truly epic cycle through the heart of the Snowdonia National Park.

For competitors taking part in the Legend 71.6 and Full distance races, the Snowman offers one of the toughest 'runs' the UK has to offer - to the summit of Moel Siabod and straight back down to the finish line at Plas y Brenin! Sprint runners will race on a much flatter, but equally stunning course.

£65 - £175
The Snowman Triathlon
AUG4
Cowman

The Cowman is our flagship event and has been going since 2003. The event offers 3 different distances: The Cowman which is a half distance triathlon, The Calfman which is half of The Cowman and The Stampede you guessed it, half of The Calfman. This year we will once again be bringing the ranch back to the beautiful location of Emberton Country Park, so there will be Cowhands rather than marshals, brand plates instead of medals and other surprises along the way.

Details

Cowman

Emberton Country Park, Olney Rd, Olney, Emberton, Olney MK46 5FJ, UKView event
About the event
From the organiser

The Cowman is our flagship event and has been going since 2003. The event offers 3 different distances: The Cowman which is a half distance triathlon, The Calfman which is half of The Cowman and The Stampede you guessed it, half of The Calfman. This year we will once again be bringing the ranch back to the beautiful location of Emberton Country Park, so there will be Cowhands rather than marshals, brand plates instead of medals and other surprises along the way.

£50 - £135
Cowman
AUG18
Aberfeldy Triathlon

Take on the most scenic middle distance triathlon in Scotland.

Swim in the cool clear waters of Loch Tay, bike the epic route across the shoulder of Schiehallion and around Loch Rannoch, then run completely off road in the grounds of the spectacular Taymouth Castle

Details

Aberfeldy Triathlon

Croft Na Caber Ltd, Kenmore, Aberfeldy PH15 2HW, UKView event
About the event
From the organiser

Take on the most scenic middle distance triathlon in Scotland.

Swim in the cool clear waters of Loch Tay, bike the epic route across the shoulder of Schiehallion and around Loch Rannoch, then run completely off road in the grounds of the spectacular Taymouth Castle

£101 - £126
Aberfeldy Triathlon
AUG18
Monster Middle

The award winning Monster Middle gives you an iconic river swim, fast and scenic bike leg and fast city run course!

This course is perfect for both the seasoned competitor and the new comer.

The event comes complete with stacks of atmosphere; no wonder entrants return year after year! Come and try us out.

This event has a history of selling out, enter early to guarantee your place on the start line!

Details

Monster Middle

1 Jubilee Terrace, Ely CB7 4BJ, UKView event
About the event
From the organiser

The award winning Monster Middle gives you an iconic river swim, fast and scenic bike leg and fast city run course!

This course is perfect for both the seasoned competitor and the new comer.

The event comes complete with stacks of atmosphere; no wonder entrants return year after year! Come and try us out.

This event has a history of selling out, enter early to guarantee your place on the start line!

£110 - £130
Monster Middle
AUG25
Ironman 70.3 Dun Laoghaire
Dublin, County Dublin, Ireland

Dn Laoghaire is a seaside town with a rich mix of cultural experiences, hospitality, a variety of leisure activities and the natural beauty of the surrounding mountains, making it the ideal setting and destination for the thousands of athletes and supporters who will visit in August 2018.

The race features a 1.2-mile (1.9KM) swim from Sandycove, home to the famous Martello Tower, in the clear waters of the Irish Sea in Dublin Bay, before taking athletes on a spectacular and challenging 56-mile (90KM) bike course. The course travels through some of the most scenic areas in the region, including County Wicklow, home to the Wicklow Mountains National Park and its glacial lakes, rivers and abundant natural beauty. Athletes will take in stunning coastal views and weave their way through the streets of the charming seaside town for the 13.1-mile (21.1KM) run, before finishing with Dn Laoghaire Harbour and Dublin Bay as the backdrop.

Details

Ironman 70.3 Dun Laoghaire

Avoca House, 8 Marine Rd, Dún Laoghaire, Dublin, A96 X8Y6, IrelandView event
About the event
From the organiser

Dn Laoghaire is a seaside town with a rich mix of cultural experiences, hospitality, a variety of leisure activities and the natural beauty of the surrounding mountains, making it the ideal setting and destination for the thousands of athletes and supporters who will visit in August 2018.

The race features a 1.2-mile (1.9KM) swim from Sandycove, home to the famous Martello Tower, in the clear waters of the Irish Sea in Dublin Bay, before taking athletes on a spectacular and challenging 56-mile (90KM) bike course. The course travels through some of the most scenic areas in the region, including County Wicklow, home to the Wicklow Mountains National Park and its glacial lakes, rivers and abundant natural beauty. Athletes will take in stunning coastal views and weave their way through the streets of the charming seaside town for the 13.1-mile (21.1KM) run, before finishing with Dn Laoghaire Harbour and Dublin Bay as the backdrop.

€310 - €350
Ironman 70.3 Dun Laoghaire
AUG31
The Brutal Extreme Triathlons
Llanberis, Wales, United Kingdom

This is 'The World's Toughest Triathlon' (as voted for by 220 Triathlon in 2017) but it is renowned for it's low-key and friendly vibe. Every athlete, whether it's your first triathlon or 21st, will feel the massive support from not only the event crew, but the other competitors too. The challenging terrain and breathtaking scenery creates an awesome experience that will stay with you long after the aches and blisters have gone!

Details

The Brutal Extreme Triathlons

15 Capel-Coch Rd, Llanberis, Caernarfon LL55 4SH, UKView event
About the event
From the organiser

This is 'The World's Toughest Triathlon' (as voted for by 220 Triathlon in 2017) but it is renowned for it's low-key and friendly vibe. Every athlete, whether it's your first triathlon or 21st, will feel the massive support from not only the event crew, but the other competitors too. The challenging terrain and breathtaking scenery creates an awesome experience that will stay with you long after the aches and blisters have gone!

£125 - £445
The Brutal Extreme Triathlons
AUG31
Sundowner Triathlon

A fun, friendly triathlon with a great atmosphere. No matter what youre level of ability you can be sure of a fantastic experience with loads of encouragement & support from the Freebird crew.

The unique middle-distance & Sprint Triathlon Sundowner Triathlons based at Allerthorpe Lakeland Park just 10 miles from York, has a leisurely Saturday midday & morning start respectively. Allowing you to wake up and prepare for the race without the usual early morning rush!

As the name suggests, some competitors will be completing the course as the sun goes down, a fantastic sunset photo opportunity for those final competitors.

The middle-distance event comes complete with a superb post-race party and live entertainment. Camping on site is also available, so you and the family can enjoy a great weekend of triathlon and post-race relaxation in the beautiful Yorkshire countryside.

The Sundowner Sprint Triathlon kicks off a great weekend of sport at the ever popular Allerthorpe Lakeland Park, based just 10 miles from York. Gaining momentum over the years this has become one of our main sell-out events of the season so please dont leave it too late to sign up and miss out!

Whether you prefer the sprint distance or are supporting someone taking part in the longer middle-distance Sundowner Triathlon, the Sundowner Sprint Triathlon offers you the opportunity to enjoy a quality triathlon experience.

Details

Sundowner Triathlon

Unnamed Road, York YO42 4RL, UKView event
About the event
From the organiser

A fun, friendly triathlon with a great atmosphere. No matter what youre level of ability you can be sure of a fantastic experience with loads of encouragement & support from the Freebird crew.

The unique middle-distance & Sprint Triathlon Sundowner Triathlons based at Allerthorpe Lakeland Park just 10 miles from York, has a leisurely Saturday midday & morning start respectively. Allowing you to wake up and prepare for the race without the usual early morning rush!

As the name suggests, some competitors will be completing the course as the sun goes down, a fantastic sunset photo opportunity for those final competitors.

The middle-distance event comes complete with a superb post-race party and live entertainment. Camping on site is also available, so you and the family can enjoy a great weekend of triathlon and post-race relaxation in the beautiful Yorkshire countryside.

The Sundowner Sprint Triathlon kicks off a great weekend of sport at the ever popular Allerthorpe Lakeland Park, based just 10 miles from York. Gaining momentum over the years this has become one of our main sell-out events of the season so please dont leave it too late to sign up and miss out!

Whether you prefer the sprint distance or are supporting someone taking part in the longer middle-distance Sundowner Triathlon, the Sundowner Sprint Triathlon offers you the opportunity to enjoy a quality triathlon experience.

£52 - £175
Sundowner Triathlon
SEP1
Sussex “Original” Triathlon
Ashburnham Place, South East, United Kingdom

The 8th annual Sussex 'Original' Triathlon of Sprint, Standard and Middle distance.

This is a true and honest course that will test every athlete so come looking for personal best effort and reward!

Details

Sussex “Original” Triathlon

2 The Stables, Ashburnham Place, Battle TN33 9NE, UKView event
About the event
From the organiser

The 8th annual Sussex 'Original' Triathlon of Sprint, Standard and Middle distance.

This is a true and honest course that will test every athlete so come looking for personal best effort and reward!

£52 - £94
Sussex “Original” Triathlon
SEP22
Ironman 70.3 Weymouth

Famous for hosting the 2012 Olympic and Paralympic Sailing events, Weymouth will now be hosting the ultimate test of endurance. For one day only this hotspot will provide the backdrop for Ironman 70.3. It will be a first timer friendly, single transition race - why not bring the family and make a seaside getaway of it.

Details

Ironman 70.3 Weymouth

Weymouth Pavilion, The Esplanade, Weymouth DT4 8ED, UKView event
About the event
From the organiser

Famous for hosting the 2012 Olympic and Paralympic Sailing events, Weymouth will now be hosting the ultimate test of endurance. For one day only this hotspot will provide the backdrop for Ironman 70.3. It will be a first timer friendly, single transition race - why not bring the family and make a seaside getaway of it.

£260 - £330
Ironman 70.3 Weymouth
SEP28
Hever Castle Triathlon

A real classic at the tail end of the UK calendar - and now its second biggest event - competitors are treated to some of the best views of any triathlon event on the circuit. Set at the idyllic Hever Castle, those taking part are treated to an open water swim, undulating bike course in a designated AONB, and a final run by Ashdown forest. This is a great event for beginners and experts alike.

Details

Hever Castle Triathlon

Hever Castle, Hever, Edenbridge TN8 7NG, UKView event
About the event
From the organiser

A real classic at the tail end of the UK calendar - and now its second biggest event - competitors are treated to some of the best views of any triathlon event on the circuit. Set at the idyllic Hever Castle, those taking part are treated to an open water swim, undulating bike course in a designated AONB, and a final run by Ashdown forest. This is a great event for beginners and experts alike.

£35 - £270
Hever Castle Triathlon
SEP28
Registration Perks
Mumbles Triathlon

The award-winning Mumbles Triathlon has become a well known event in South Wales, and attracts a number of athletes from all levels and experience.

The Mumbles Tri offers athletes three course distances in the idyllic setting of Mumbles Bay for the Swim, the famous Gower Roads for the bikes and a picturesque run along the stunning shoreline of the Mumbles Bay.

The Mumbles Triathlon can be entered by anyone who feels they are capable of competing. There is gender separation, so men and women compete for first place in their respective category.

Details

Mumbles Triathlon

Mumbles Bay Court, Mayals Rd, Mayals, Swansea SA3 5BS, UKView event
About the event
From the organiser

The award-winning Mumbles Triathlon has become a well known event in South Wales, and attracts a number of athletes from all levels and experience.

The Mumbles Tri offers athletes three course distances in the idyllic setting of Mumbles Bay for the Swim, the famous Gower Roads for the bikes and a picturesque run along the stunning shoreline of the Mumbles Bay.

The Mumbles Triathlon can be entered by anyone who feels they are capable of competing. There is gender separation, so men and women compete for first place in their respective category.

£45 - £125
Mumbles Triathlon
MAY26
Registration Perks
Marlow Classic Half Iron, Olympic & Sprint Triathlon

This is the 10th year of the Marlow Sprint & Olympic Distance Triathlon, consisting of a river swim, cycling and running. The event has attracted 1000s of participants over the year and is open to all levels of participant and encourages first time triathletes to the event.

The Swim course is in the River Thames. It is designed to make even the weakest swimmer get a fast swim split.

The Marlow Classic Half Iron Distance is the only long distance event in the Thames Valley and is a fairly flat scenic course taking in the views of Marlow and the surrounding areas.

The Bike course for the Sprint Distance is 24.5km & the Olympic Distance is 37km. It is an out and back course and only has two hills, but otherwise fast and flat.

The Run course for the Sprint Distance is a 1 Lap 5km route & the Olympic Distance is 2 Laps for a 10km. The course is on Tarmac and Grass Footpaths. It meanders back towards Marlow and into the finish at Higginson Park from the river tow path.

The event is set to attract over 700 participants, as the world of endurance sports and triathlon creates massive demand for longer distance events over the shorter distances that have originally formed this great sport.

Details

Marlow Classic Half Iron, Olympic & Sprint Triathlon

Little Kickers Maidenhead, 5 Pound Ln, Marlow SL7 2AE, UKView event
About the event
From the organiser

This is the 10th year of the Marlow Sprint & Olympic Distance Triathlon, consisting of a river swim, cycling and running. The event has attracted 1000s of participants over the year and is open to all levels of participant and encourages first time triathletes to the event.

The Swim course is in the River Thames. It is designed to make even the weakest swimmer get a fast swim split.

The Marlow Classic Half Iron Distance is the only long distance event in the Thames Valley and is a fairly flat scenic course taking in the views of Marlow and the surrounding areas.

The Bike course for the Sprint Distance is 24.5km & the Olympic Distance is 37km. It is an out and back course and only has two hills, but otherwise fast and flat.

The Run course for the Sprint Distance is a 1 Lap 5km route & the Olympic Distance is 2 Laps for a 10km. The course is on Tarmac and Grass Footpaths. It meanders back towards Marlow and into the finish at Higginson Park from the river tow path.

The event is set to attract over 700 participants, as the world of endurance sports and triathlon creates massive demand for longer distance events over the shorter distances that have originally formed this great sport.

Booking Closed
Marlow Classic Half Iron, Olympic & Sprint Triathlon
JUN2
Registration Perks
Ultimate Triathlon, 1/2 Triathlon, 1/4 Triathlon

The UK Ultimate Triathlon is like it says, the ultimate triathlon challenge. This demanding and much sought after 'iron distance' event will return yet again to the beautiful Alderford Lake venue in Whitchurch, Shropshire.

The UK Ultimate 1/2 Triathlon is our demanding and much sought after 'half iron distance' event and returning yet again to the beautiful Alderford Lake venue in Whitchurch, Shropshire.

Are you looking to step up from a Super Sprint or Sprint triathlon without a daunting Olympic distance swim? Then we have just the thing. We launched the UK Ultimate 1/4 as a precursor to our 'iron-distance' Ultimate Half Triathlon.

For those of you who find the 1500m Olympic swim a daunting prospect this event offers a fantastic challenge upgrade with just a 0.6mile swim (965m). The event covers one lap of the swim, one lap of the bike and two laps of the run course taken on by the Ultimate 1/2 competitors.

Back by popular demand is the Sprint distance at the peaceful & scenic venue of Alderford Lake where we have been holding events for six years now.

Take on the challenge of swim, bike and run aimed at all abilities from complete novice to club and pro triathlete, as well as charity and fun competitors, with a fun & friendly atmosphere and great support from the cheering crowds.

Details

Ultimate Triathlon, 1/2 Triathlon, 1/4 Triathlon

B5476, Whitchurch SY13 3JQ, UKView event
About the event
From the organiser

The UK Ultimate Triathlon is like it says, the ultimate triathlon challenge. This demanding and much sought after 'iron distance' event will return yet again to the beautiful Alderford Lake venue in Whitchurch, Shropshire.

The UK Ultimate 1/2 Triathlon is our demanding and much sought after 'half iron distance' event and returning yet again to the beautiful Alderford Lake venue in Whitchurch, Shropshire.

Are you looking to step up from a Super Sprint or Sprint triathlon without a daunting Olympic distance swim? Then we have just the thing. We launched the UK Ultimate 1/4 as a precursor to our 'iron-distance' Ultimate Half Triathlon.

For those of you who find the 1500m Olympic swim a daunting prospect this event offers a fantastic challenge upgrade with just a 0.6mile swim (965m). The event covers one lap of the swim, one lap of the bike and two laps of the run course taken on by the Ultimate 1/2 competitors.

Back by popular demand is the Sprint distance at the peaceful & scenic venue of Alderford Lake where we have been holding events for six years now.

Take on the challenge of swim, bike and run aimed at all abilities from complete novice to club and pro triathlete, as well as charity and fun competitors, with a fun & friendly atmosphere and great support from the cheering crowds.

Booking Closed
Ultimate Triathlon, 1/2 Triathlon, 1/4 Triathlon
JUN2
Deva Triathlon

The Deva Triathlon is an Olympic distance triathlon held in the centre of the historic City of Chester. It is currently in its 20th Year and is run by Chester Triathlon Club members.

We have had so many fantastic comments about the course being located right in the heart of the City. Transition is in the fabulous Grosvenor Park, a fantastic Victorian Park. The bike route will be a single lap (2 laps for the middle distance) into Wales via Eccleston, Rossett and Borras and back into Chester via Alford and Boughton. The run route will incorporate running over the Old Dee Bridge as well as the suspension bridge, along the Groves and in the meadows with the finish being at the Bandstand, a truly City Centre race.

Details

Deva Triathlon

Grosvenor Park Terrace, Chester CH1, UKView event
About the event
From the organiser

The Deva Triathlon is an Olympic distance triathlon held in the centre of the historic City of Chester. It is currently in its 20th Year and is run by Chester Triathlon Club members.

We have had so many fantastic comments about the course being located right in the heart of the City. Transition is in the fabulous Grosvenor Park, a fantastic Victorian Park. The bike route will be a single lap (2 laps for the middle distance) into Wales via Eccleston, Rossett and Borras and back into Chester via Alford and Boughton. The run route will incorporate running over the Old Dee Bridge as well as the suspension bridge, along the Groves and in the meadows with the finish being at the Bandstand, a truly City Centre race.

£70 - £144
Deva Triathlon
JUN9
Cotswold 113
Ashton Keynes, South West, United Kingdom

Set in the Heart of the Picturesque Cotswolds, the Swim is a one lap 1.9km in the well known lake 32 based in the centre of the Ashton Keynes water park. The bike section leaves the water park and heads out the area on a flat and fast course into some of the Cotswolds most beautiful and quiet villages. The route is two laps, and the most outbound point is based at the top of the only real hill on the course Neils Hill in Hannington Wick.

Details

Cotswold 113

Ashton Keynes, Swindon SN6, UKView event
About the event
From the organiser

Set in the Heart of the Picturesque Cotswolds, the Swim is a one lap 1.9km in the well known lake 32 based in the centre of the Ashton Keynes water park. The bike section leaves the water park and heads out the area on a flat and fast course into some of the Cotswolds most beautiful and quiet villages. The route is two laps, and the most outbound point is based at the top of the only real hill on the course Neils Hill in Hannington Wick.

Sold Out
Cotswold 113
JUN22
Registration Perks
Cholmondeley Castle Triathlon

The Cholmondeley event attracts over 1600 competitors to the beautiful countryside of Cheshire, offering the quintessential Castle Triathlon Series experience of competitive and fun racing, an epic castle backdrop and a stunning rural location.

All races at the 200-year-old Cholmondeley Castle start by launching into an open-water swim in Deer Park Mere Lake, transitioning on to a bike route that circumnavigates Bickerton Hill, which is the southern most tip of the Peckforton Hlls. There will be one cycle lap for the Super Sprint and two laps for both the Sprint Plus and Olympic distances.

The run passes through the estate grounds, which date back to the 12th Century, and has one lap for the Super Sprint and two laps for the Sprint Plus and Olympic races. Triathletes will finish their Cholmondeley race experience by sprinting down the main lawn to the finish line with Cholmondeley Castle as a fitting backdrop.

The Cholmondeley Castle Triathlon takes place in the beautiful grounds of Cholmondeley Castle, where the Cholmondeley family have resided since the Norman era of the 12th Century. The estate features extensive parkland covering 500 acres including two lakes, the larger of which, Deer Park Mere, is the setting for the open-water swim section of the triathlon.

To the south of Cholmondeley Castle, Tower Hill is the highest point of the run section, where athletes will be rewarded with panoramic views of the Beeston and Peckforton Hills, which they will have just covered on the undulating bike section, with the Welsh Hills looming in the distance.

Details

Cholmondeley Castle Triathlon

Cholmondeley Estate Yd, Malpas SY14 8EZ, UKView event
About the event
From the organiser

The Cholmondeley event attracts over 1600 competitors to the beautiful countryside of Cheshire, offering the quintessential Castle Triathlon Series experience of competitive and fun racing, an epic castle backdrop and a stunning rural location.

All races at the 200-year-old Cholmondeley Castle start by launching into an open-water swim in Deer Park Mere Lake, transitioning on to a bike route that circumnavigates Bickerton Hill, which is the southern most tip of the Peckforton Hlls. There will be one cycle lap for the Super Sprint and two laps for both the Sprint Plus and Olympic distances.

The run passes through the estate grounds, which date back to the 12th Century, and has one lap for the Super Sprint and two laps for the Sprint Plus and Olympic races. Triathletes will finish their Cholmondeley race experience by sprinting down the main lawn to the finish line with Cholmondeley Castle as a fitting backdrop.

The Cholmondeley Castle Triathlon takes place in the beautiful grounds of Cholmondeley Castle, where the Cholmondeley family have resided since the Norman era of the 12th Century. The estate features extensive parkland covering 500 acres including two lakes, the larger of which, Deer Park Mere, is the setting for the open-water swim section of the triathlon.

To the south of Cholmondeley Castle, Tower Hill is the highest point of the run section, where athletes will be rewarded with panoramic views of the Beeston and Peckforton Hills, which they will have just covered on the undulating bike section, with the Welsh Hills looming in the distance.

£26 - £64
Cholmondeley Castle Triathlon
JUN23
Bosworth Triathlon
Market Bosworth, East Midlands, United Kingdom

Since 1990 this event has been five times host to the National Sprint Championships, and with the perfect venue it is not difficult to see why.

We bring you this novice, sprint, standard and middle distance event in the perfect triathlon venue. The swim takes place in the boating lake with beautiful views over the Leicestershire and Warwickshire countryside. The cycle is on a fast route with quiet and well maintained roads and the final run section circles the lake

Details

Bosworth Triathlon

Bosworth Water Trust, Wellsborough Rd, Market Bosworth, Nuneaton CV13 6PD, UKView event
About the event
From the organiser

Since 1990 this event has been five times host to the National Sprint Championships, and with the perfect venue it is not difficult to see why.

We bring you this novice, sprint, standard and middle distance event in the perfect triathlon venue. The swim takes place in the boating lake with beautiful views over the Leicestershire and Warwickshire countryside. The cycle is on a fast route with quiet and well maintained roads and the final run section circles the lake

Booking Closed
Bosworth Triathlon
JUL7
Outlaw Half – Holkham

The Holkham Estate and its magnificent eighteenth century hall provide a stunning backdrop to the swim, both transitions and the run. The bike course is a single loop taking in the coastal road, quiet country roads and some faster roads. The run does feature some climbs across three loops around the Estate.

There is on-site camping organised specifically for competitors and their family and friends, camping is only permitted in Holkham twice a year, so this is a fantastic opportunity. There are various types of accommodation in the area, but this is a popular holiday destination, so please book early!

This will be a very high quality racing experience, and an escape from everyday life. Holkham is one of Britain's tourist gems, and we're delighted to be able to return for a third year.

Details

Outlaw Half – Holkham

Stranger Wing, Holkham Hall, Holkham Estate, Wells-next-the-Sea NR23 1AB, UKView event
About the event
From the organiser

The Holkham Estate and its magnificent eighteenth century hall provide a stunning backdrop to the swim, both transitions and the run. The bike course is a single loop taking in the coastal road, quiet country roads and some faster roads. The run does feature some climbs across three loops around the Estate.

There is on-site camping organised specifically for competitors and their family and friends, camping is only permitted in Holkham twice a year, so this is a fantastic opportunity. There are various types of accommodation in the area, but this is a popular holiday destination, so please book early!

This will be a very high quality racing experience, and an escape from everyday life. Holkham is one of Britain's tourist gems, and we're delighted to be able to return for a third year.

Outlaw Half – Holkham
SEP9
Battle of Bosworth Sprint
Market Bosworth, East Midlands, United Kingdom

Have a blast at an end of season Sprint. Do battle to win a crown and be King or Queen of Bosworth Sprint Triathlon.

Details

Battle of Bosworth Sprint

Bosworth Water Trust, Wellsborough Rd, Market Bosworth, Nuneaton CV13 6PD, UKView event
About the event
From the organiser

Have a blast at an end of season Sprint. Do battle to win a crown and be King or Queen of Bosworth Sprint Triathlon.

Sold Out
Battle of Bosworth Sprint

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What you need to know about Half Ironman Triathlons

Discover awesome Half Ironman — also known as middle distance, or 70.3 — triathlon events. Swim 1.9km, bike 90km, run 20km.

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