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Triathlons

By far the most popular multidisciplinary sport, a triathlon combines swimming, cycling and running in sequence - with five officially recognised distances and plenty more for the fun of it. The five official distances are: Sprint (750m swim, 20km bike, 5km bike), Olympic (1.5km swim, 40km bike, 10km swim); ITU Long (3km swim, 80km bike, 20km run); Half/Middle-Distance/70.3/Half-Ironman (1.9km swim, 90km bike, 21.1km run); Full/Ironman (3.8km swim, 180km bike, 42.2km run). ‘Unofficial’ distances include Super-Sprint or Mini Triathlons (400m swim, a 10km bike, 2.5km run) or Ultra Triathlons (generally referring to all triathlon events with a distance that is a multiple of the Ironman Triathlon).So, whether it’s your very first tri or your 50th, there are incredible events for all levels running up and down the whole country. Check them out below...

57 events found
Beyond Cotswold Triathlon (Sunday)
Booked 1 time this week

Sunday, 18th Sep 2022

Beyond Cotswold Triathlon (Sunday)

LocationIndicator

Shorncote, Gloucestershire

Participants

olympic, sprint, super sprint

FilledTicket£45 – £75
Booking perks
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Roade Sprint Triathlon
Booked 4 times this week

Sunday, 27th Mar 2022

Roade Sprint Triathlon

LocationIndicator

Roade, Northamptonshire

Participants

sprint, super sprint

FilledTicket£38 – £43
Booking perksRoad
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The Osprey Sprint Triathlon April 2022
Booked 1 time this week

Sunday, 10th Apr 2022

The Osprey Sprint Triathlon April 2022

LocationIndicator

Portland, Dorset

Participants

super sprint

FilledTicket£38.50 – £43.50
Booking perks
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Wild Boar Middle Distance & Olympic
Booked 2 times this week

Sunday, 19th Jun 2022

Wild Boar Middle Distance & Olympic

LocationIndicator

Tidenham, Gloucestershire

Participants

olympic, half ironman

FilledTicket£55 – £70
Booking perksGreat sceneryHilly trail
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West Bay Triathlon
Booked 3 times this week

Sunday, 19th Jun 2022

West Bay Triathlon

LocationIndicator

West Bay, Dorset

Participants

olympic, sprint, super sprint

Star3

(1 reviews)

FilledTicket£40 – £44
Booking perksGreat sceneryFlat road
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Hitchin Triathlon (Sprint & Nitro)
Booked 1 time this week

Sunday, 3rd Jul 2022

Hitchin Triathlon (Sprint & Nitro)

LocationIndicator

Hitchin, Hertfordshire

Participants

sprint, super sprint

FilledTicket£45 – £50
Booking perksRoad
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Hitchin Tri Nitro Series & Race 1

Wednesday, 20th Jul 2022

Hitchin Tri Nitro Series & Race 1

LocationIndicator

Hitchin, Hertfordshire

Participants

super sprint

FilledTicket£20 – £50
Booking perksFlat road
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Hitchin Tri Nitro Series - Race Two

Wednesday, 3rd Aug 2022

Hitchin Tri Nitro Series - Race Two

LocationIndicator

Hitchin, Hertfordshire

Participants

super sprint

FilledTicket£20
Booking perksFlat road
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Hitchin Tri Nitro Series - Race Three

Friday, 19th Aug 2022

Hitchin Tri Nitro Series - Race Three

LocationIndicator

Hitchin, Hertfordshire

Participants

super sprint

FilledTicket£20
Booking perksFlat road
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The Long Course Weekend – Wales

Friday, 1st Jul 2022

The Long Course Weekend – Wales

LocationIndicator

Tenby, Pembrokeshire

Participants

marathon, half marathon, 10k, 5k, ironman, sprint, medium (50–100km), long (100–200km), medium (2–5km)

FilledTicketPrice TBC
Flat
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Royal Windsor Triathlon

Sunday, 12th Jun 2022

Royal Windsor Triathlon

LocationIndicator

Windsor, Windsor and Maidenhead

Participants

sprint, olympic

Star4.5

(11 reviews)

FilledTicketPrice TBC
Great atmosphereFlat
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Cheshire Triathlon
Booked 2 times this week

Sunday, 22nd May 2022

Cheshire Triathlon

LocationIndicator

Nantwich, Cheshire East

Participants

sprint, super sprint

Star4.5

(5 reviews)

FilledTicket£59.95 – £74.95
Great atmosphereRoad
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Swansea Triathlon, Swim & 5k

Saturday, 28th May 2022

Swansea Triathlon, Swim & 5k

LocationIndicator

Swansea, Swansea

Participants

5k, sprint, medium (2–5km)

FilledTicketPrice TBC
Flat road
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Cork Standard Triathlon

Saturday, 18th Jun 2022

Cork Standard Triathlon

LocationIndicator

County Cork

Participants

olympic

FilledTicket€80
Trail
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North West Triathlon
Booked 2 times this week

Sunday, 18th Sep 2022

North West Triathlon

LocationIndicator

Nantwich, Cheshire East

Participants

sprint, super sprint

Star4.5

(1 reviews)

FilledTicket£54.95 – £74.95
Great atmosphereFlat road
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Grantham Spring Triathlon
Booked 6 times this week

Sunday, 3rd Apr 2022

Grantham Spring Triathlon

LocationIndicator

Grantham, Lincolnshire

Participants

sprint

FilledTicket£30 – £60
Flat road
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Black Country Triathletes April Sprint Triathlon

Sunday, 24th Apr 2022

Black Country Triathletes April Sprint Triathlon

LocationIndicator

Wombourne, Staffordshire

Participants

sprint

FilledTicketPrice TBC
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Stratford Triathlon

Sunday, 8th May 2022

Stratford Triathlon

LocationIndicator

Stratford-upon-Avon, Warwickshire

Participants

sprint, super sprint

Star4.5

(2 reviews)

FilledTicket£59.95 – £74.95
Great atmosphereRoad
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Ultimate Triathlon, Half Triathlon & Quarter Triathlon
Booked 6 times this week

Sunday, 12th Jun 2022

Ultimate Triathlon, Half Triathlon & Quarter Triathlon

LocationIndicator

Whitchurch, Shropshire

Participants

ironman, half ironman

Star4.5

(4 reviews)

FilledTicket£69.95 – £299
Great atmosphereTrail
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Triathlon @ Alderford

Saturday, 18th Jun 2022

Triathlon @ Alderford

LocationIndicator

Whitchurch, Shropshire

Participants

olympic, sprint, super sprint

FilledTicket£64.95 – £94.95
Flat trail
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Henley Kids Fun Triathlon

Saturday, 2nd Jul 2022

Henley Kids Fun Triathlon

LocationIndicator

Henley-on-Thames, Oxfordshire

FilledTicket£25 – £35
Trail
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Henley Triathlon

Sunday, 3rd Jul 2022

Henley Triathlon

LocationIndicator

Henley-on-Thames, Oxfordshire

Participants

sprint, super sprint

Star4.5

(9 reviews)

FilledTicket£59.95 – £74.95
Great atmosphereRoad
Bookmark
York Kids Triathlon

Saturday, 30th Jul 2022

York Kids Triathlon

LocationIndicator

Heslington, York

Participants

super sprint

FilledTicket£15 – £25
Flat road
Bookmark
York Triathlon
Booked 1 time this week

Sunday, 31st Jul 2022

York Triathlon

LocationIndicator

York, York

Participants

sprint, super sprint

Star5

(4 reviews)

FilledTicket£59.95 – £74.95
Great atmosphereRoad
Bookmark
Showing 25 - 48 of 57 events

Triathlons in the UK

The triathlon is a multi-sport event combining swimming, cycling and running. The length and duration of these events can vary greatly, ranging from just a few miles to 140 plus. In addition, conditions in competition can differ from event to event. The swim could be in an indoor pool or the sea, and cycling or running on flat coastal roads or rolling countryside hills.

The UK plays host to some of the best triathlon events in the world. Large scale events such as the ITU Worlds Triathlon Leeds and London Triathlon host athletes of all levels of experience with big crowds building a buzzing atmosphere.

What you need to know about Triathlons

The Super-Sprint distance (400m,10k, 2.5k) and Sprint distance (750m, 20k, 5k) triathlons are great for beginners looking to explore multi-sport. These events can be attempted without much prior training, however, if you want to be competitive you should practice your transitions as they can make a big difference to your time. Our 8 week sprint triathlon training plan will get you up to speed. If you are well prepared you could expect to finish a Super-Sprint in under an hour and the Sprint in under 90 minutes.

Olympic (1.5k, 40k, 10k) distance triathlons are the standard distance for international competition. To be competitive here, you’ll need to take your training seriously. We recommend following our 12 week middle distance triathlon training plan (designed for Half Ironman preparation) to get you in shape. If you want to compete in a big name event, the ITU World Triathlon event in Leeds is one of the most popular in the UK, and you’ll get to see some of the worlds best competing for the World Series title. If you can finish one of these in under 3 hours, kudos to you.

The final two distances are the Middle Distance / Half Ironman (1.9k, 90k, 21.1k) and the Full Distance / Ironman (3.8k, 180k, 42.2k). Finishing these events is an achievement in itself. IRONMAN UK and the Outlaw Triathlon are among the UK’s favourites. If you have trained well for a Half Ironman you could be pushing for under 6 hours for men and 7 for women. For the full distance, anything under the 17hr cut off point is a solid accomplishment, but under 13 hours (men) and 14 hours (women) deserves serious respect.

Kit

To compete in a triathlon you’ll need the right gear. We’ve written a blog post on 33 essential items to pack for a triathlon, which highlights what you really need and why. Don’t forget your swim cap!

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