Triathlons in South West

Blenheim Palace Triathlon 2025

The Long Course Weekend – Wales

Radley Triathlon 2025

Swansea Triathlon 2025

The First Tri 2025

Winchester Triathlon 2025

SWMA Tri Series Race 1 

Marlow Classic Triathlon (Sprint, Olympic & Middle Distance)

SWMA Tri Series Race 2 

The Wales Triathlon

Fishguard Triathlon

SWMA Wild Boar 70.3 & Olympic Triathlon 2025

SWMA Tri Series Race 3 

2025 Upton Triathlon

Conquer the Chilterns Triathlon

SWMA Tri Series Race 4

SWMA Tri Series Race 5

Saundersfoot Triathlon

Salcombe Brewery Co Sprint Triathlon

Mumbles Triathlon

The One on the River - Marlow

Chichester Triathlon

The One on the River - Henley

The Last Tri

Bowood House Triathlon 2025

Experience stunning scenery, culture and sport at the Blenheim Palace Triathlon, taking place from 7 - 8 June 2025.This iconic event offers both beginner-friendly and advanced challenges, and is the perfect day out for the whole family.This is the only triathlon in the world to be located at a UNESCO World Heritage Site!

Motiv Sports

Blenheim Triathlon Sprint - Saturday - Standard Entry

Blenheim Triathlon Sprint - Saturday - Premium Entry

Blenheim Triathlon Super Sprint - Saturday - Standard Entry

Blenheim Triathlon Sprint Team Relay - Saturday - Standard Entry - Relay Team of 3

Blenheim Triathlon Sprint Team Relay - Saturday - Standard Entry - Relay Team of 2 Entry

Blenheim Triathlon Weekend Warrior - Standard Entry

Blenheim Triathlon Sprint - Sunday - Standard Entry

Blenheim Triathlon Sprint - Sunday - Standard Premium Entry

Blenheim Triathlon Super Sprint - Sunday - Standard Entry

Blenheim Triathlon Sprint Team Relay - Sunday - Standard Entry - Relay Team of 3 Entry

Blenheim Triathlon Sprint Team Relay - Sunday - Standard Entry - Relay Team of 2

 BTF & TE Sprint Distance Championships / ETU Qualifier (Draft Legal) - Standard Entry

Taking place over 3 days, this triathlon festival takes place in beautiful and challenging terrain, and has become a firm favourite in the triathlon community. Join talented and beginner athletes alike in one of Europe's biggest multi-sport weekends.

Activity Wales Events

Full Long Course Weekend - VIP LCW Entry Price

Full Long Course Weekend - Full LCW Entry Price

Half Long Course Weekend - Half LCW Entry

Junior Long Course Weekend - Junior LCW Entry

The ZONE3 2.4 Mile Swim - 2.4 Mile Entry

The ZONE3 1.2 Mile Swim - 1.2 Mile Entry

The Wales Sportive 112 Mile - 112 Mile Entry

The Wales Sportive 70 Mile - 70 Mile Entry

The Wales Sportive 40 Mile - 40 Mile Entry

The Wales Marathon - Marathon Entry

The Wales Half Marathon - Half Marathon Entry

The Coastal Cottages Wales 10k - 10k Entry

The Wales 5k - 5k Entry

LCKinder - LC Kinder Entry

Tackle this fantastic triathlon within the stunning grounds of Radley College, just outside of Oxford. The pool-based event is suitable for both experienced triathletes and newcomers alike. Kick off your Easter weekend in style by bringing home a bespoke medal!

Rees Leisure

Sprint Triathlon - Individual Early Bird Entry

Sprint Triathlon - Early Bird Exclusive Team Lane 

Novice Triathlon - Individual Early Bird Entry

Novice Triathlon - Early Bird Exclusive Team Lane 

Take part in this sprint distance race set in the heart of Swansea, ideal for first timers and elite athletes. Boasting one of the best locations in the UK, this is not one to miss!

Wave 1 - Elite (Only people in this wave can Podium) - Individual Entry

Wave 2  - Individual Entry

Wave 2  - Relay Team of 2

Wave 2  - Relay Team of 3

Wave 3 - Individual Entry

Wave 3 - Relay Team of 2

Wave 3 - Relay Team of 3

Wave 4 - Individual Entry

Wave 4 - Relay Team of 2

Wave 4 - Relay Team of 3

If you've ever wanted to take part in a triathlon, but didn't know where to start, The First Tri is the event for you. With a great course and a finisher's medal for every competitor, this event is for every level of athlete.

Trimax Events

The First Tri - Sprint - Individual Entry

The First Tri - Sprint - Relay Entry

The First Tri - Olympic - Individual Entry

The perfect event for those wanting to give a triathlon a go, the Winchester tri offers three races. The junior, novice and sprint triathlons all consist of a pool swim followed by scenic bike and run legs. Come to try something new and earn your medal.

Junior Triathlon - Individual Early Bird Entry

Liven up your mid-week routine with a sprint triathlon at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside. Enter individually or in a team and claim your finisher's prize.

Sprint Triathlon  - Standard Entry

Sprint Triathlon  - Relay Team of 2 Entry

Sprint Triathlon  - Relay Team of 3 Entry

After a short hiatus, the Marlow Classic Triathlon is back! Whichever distance you choose, this is the perfect opportunity to experience the beautiful riverside town of Marlow and the surrounding countryside. Come for the bespoke finisher's medal and friendly atmosphere.

Let's Go Events

Middle Distance Triathlon - Standard Entry

Olympic Distance Triathlon - Standard Entry

Sprint Distance Triathlon - Standard Entry

Plunge into this fantastic mid-week triathlon event at the beautiful venue of Cromhall Quarry. The Sprint Tri will see you swim, bike and run through the stunning Gloucestershire countryside. Enjoy the scenery and your finisher's gift.

Sprint Triathlon - Standard Entry 

Sprint Triathlon - Relay Team of 2 Entry 

Sprint Triathlon - Relay Team of 3 Entry 

Explore the stunning Pembrokeshire coast in this fantastic event. Winner of the 220 triathlon awards for best triathlon, the unique atmosphere, closed roads and incredible start and finish lines are what makes this a must-do event. A sell out every year, grab your spot before it's too late!

Middle Distance - Relay Team of 2 Entry

Middle Distance - Relay Team of 3 Entry

Middle Distance - Individual Entry Price

Sprint Plus Distance - Sprint Plus Individual Entry

Sprint Plus Distance - Relay Team of 2 Entry

Sprint Plus Distance - Relay Team of 3 Entry

Take part in this stunning sprint plus triathlon in Fishguard Bay, Wales. A well organised event, welcoming back regular triathlon athletes and beginners. You'll complete a 950m swim, 30 mile bike and 4 mile run with routes along the gorgeous coastline including a run along the Goodwick Sea Wall.

Sprint Plus Triathlon - Standard Entry 

Sprint Plus Triathlon - Relay Team of 2 Entry 

Sprint Plus Triathlon - Relay Team of 3 Entry 

If a scenic triathlon is what you're looking for, then look no further. Swim in the crystal clear waters of Cromhall Lake, bike through the stunning Cotswolds and then soak up the lake views on the run course. You will take home a bespoke medal and finisher tee to celebrate your incredible achievement!

SWMA Wild Boar 70.3 2025 - SWMA Wild Boar 70.3 Triathlon

SWMA Wild Boar Olympic 2025 - SWMA Wild Boar Olympic Triathlon

Experience the picturesque Gloucestershire countryside around Cromhall Quarry as you swim, bike and run in this mid-week triathlon event. Break up the working week and take home your finisher prize to celebrate the achievement.

Sprint Triathlon - Relay Team of 2 Entry

Sprint Triathlon - Relay Team of 3 Entry

Take part in this great triathlon in the scenic area of Worcestershire. Enjoy an open swim and mixed terrain course and get outside this summer. Come along to earn your finishers medal.

OP Events

Triathlon - Sprint - Standard Entry

Triathlon - Standard - Standard Entry

Duathlon - Sprint - Standard Entry

Duathlon - Standard - Standard Entry

Aquabike - Standard - Standard Entry

Aquabike - Sprint - Standard Entry

Aquathlon - Sprint - Standard Entry

Aquathlon - Standard - Standard Entry

Relay - Sprint - Standard Entry

Relay - Standard - Standard Entry

Conquer the Chilterns with this fantastic new triathlon event from RunThrough. There will be three distances in both the triathlon and aquabike, providing the perfect opportunity for everyone to get involved. With bespoke medals on offer, this is not one to miss.

RunThrough

Standard Distance Triathlon - Standard Entry

Middle Distance Aquabike - Standard Entry

Standard Distance Aquabike - Standard Entry

Sprint Distance Aquabike - Standard Entry

5k - Standard Entry

10k - Standard Entry

Sprint Triathlon  - Individual Entry

Sprint Triathlon  - Team of 2 Entry

Sprint Triathlon  - Team of 3 Entry

Liven up your mid-week routine with the last in the series of sprint triathlons at Cromhall Quarry, where you can expect stunning scenery, a refreshing lake swim and a ride through rolling countryside. Enter individually or in a team and claim your finisher's prize.

Sprint Triathlon - Individual Entry

Sprint Triathlon - Team of 2 Entry

Sprint Triathlon - Team of 3 Entry

I﻿f you're looking for a scenic triathlon, with a stunning sea swim and one of the most breathtaking runs, then this is for you. Incredibly well organised and with brilliant support and atmosphere, it doesn't get much better than the Saundersfoot Triathlon. Come and see for yourself.

Sprint Distance - Individual Entry

Sprint Distance - Team of 2 Entry

Sprint Distance - Team of 3 Entry

Make the most of the autumn breeze in this short and sweet sprint triathlon in one stunning location. The Salcombe Sprint Triathlon will consist of a 700m sea swim, 18k road cycle and 3k trail run. Expect some stunning views, undulating hills and excellent on-course support.

Let’s Go Velo

Sprint Triathlon - Standard Entry

The Mumbles Triathlon is a fan favourite event set in the scenic Gower Peninsula. The course is challenging but can be completed by athletes of all abilities. Come for the atmosphere, the challenge and the slipway swim start.

Middle Distance - Middle Distance - Individual

Middle Distance - Relay Team of 2 Entry - Middle

Middle Distance - Relay Team of 3 Entry - Middle

Sprint Distance - Standard Entry - Sprint

Sprint Distance - Relay Team of 2 Entry - Sprint

Sprint Distance - Relay Team of 3 Entry - Sprint

Olympic Distance - Standard Entry - Olympic

Olympic Distance - Relay Entry - 2 People - Olympic

Olympic Distance - Relay Entry - 3 People - Olympic

Join OneRace and take on a triathlon or long-distance swim this summer. Set in the iconic Marlow, this event promises great scenery, a supportive atmosphere and some post-race goodies.

OneRace

3000m Swim - Standard Entry

1500m Swim - Standard Entry

750m Swim - Standard Entry

Come down to the lively town of Chichester for this fantastic triathlon weekend. This is the perfect addition to the multi-sport calendar, promising to be a great event for those trying triathlon racing for the first time or the more experienced athletes too.

Everyone Active

Junior Triathlon Novice Event 8-10years - Standard Entry

Junior Triathlon - Tristar Start - Standard Entry

Adult Olympic Distance Triathlon - Standard Entry

Adult Olympic Distance Triathlon - Team Entry

Adult Sprint Distance Triathlon - Standard Entry

Adult Sprint Distance Aquabike - Standard Entry

Adult Sprint Distance Aquathlon - Standard Entry

Adult Sprint Distance Duathlon - Standard Entry

Junior Triathlon Novice Event - 11-14 year olds - Standard Entry

Junior Triathlon - Tristar 1 - Standard Entry

Junior Triathlon - Tristar 2 - Standard Entry

Junior Triathlon - Tristar 3 - Standard Entry

Junior Triathlon - Youth - Standard Entry

Join OneRace and take on a triathlon or long-distance swim this summer. Set in the iconic Henley, this event promises great scenery, a supportive atmosphere and some post-race goodies.

Try out a triathlon for the first time or finish off your season with a bang. Offering a Sprint and an Olympic race with an indoor pool swim and flat run that almost guarantees a fast time. Hear the crowds cheer as you race towards a new PB.

The Last Tri - Sprint Triathlon - Standard Entry

The Last Tri - Sprint Triathlon - Relay Team of 2 Entry

The Last Tri - Sprint Triathlon - Relay Team of 3 Entry

The Last Tri - Olympic Triathlon - Standard Entry

The Bowood House Triathlon is back for 2025! Choose between Sprint and Super Sprint distances and enjoy the beautiful grounds of Bowood House. This features an open-water swim, a closed-road cycle and a scenic multi-terrain run.

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Triathlon Events in South West 2025-2026

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