Triathlons in Summer
Find triathlons near me in Summer - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sat 6 Jun
- £58-£120
Dorney Triathlon | June
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sun 7 Jun
- £146-£187
ATW Grafman Middle Distance Triathlon & Aquabike
One of the country’s most popular middle distance swim-bike-run events, delivered by triathletes for triathletes, at the beautiful and iconic Grafham Water.
- Half Ironman
- Middle aquabike
- Sun 7 Jun
- £70-£90
Dartmouth Triathlon
Swim in the clear waters of Blackpool Sands, then take a scenic coastal bike route featuring Devon's flattest road, then run by a stream. Plus chance to camp on the beach!
- Olympic triathlon
- Sprint triathlon
- Sun 7 Jun
- £25-£40
Pendle Pool Triathlon powered by Fort Vale
Come join the Pendle Triathlon for this annual event! Set at West Craven Sports Centre in the beautiful Lancashire countryside.
- Super sprint triathlon
- Sprint triathlon
- Super sprint duathlon
- Sprint duathlon
- Super sprint aquabike
- + 3 more races
- Sun 14 Jun
- £80-£195
Weymouth WMD Triathlon
Whichever distance you choose, this triathlon will not fail to impress. With stunning views of Weymouth nature reserve and a true test of stamina, you'll be beaming with pride at the finish line.
- Half Ironman
- Olympic triathlon
- Sprint triathlon
- Sun 14 Jun
- £85.99-£449.99
Slateman Triathlon & Duathlon
The most iconic multi-sport adventure race in Wales, combining a lake swim, brutal mountain climbs and a demanding run through Snowdonia’s dramatic, awe-inspiring landscape.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Ironman
- Standard duathlon
- Sun 14 Jun
- £29-£130
Plymouth Triathlon & Plymouth Swim
Dive into the Plymouth Triathlon and Plymouth Swim! A stunning sea swim, scenic coastal bike ride, and flat waterfront run offering an unforgettable multisport challenge for athletes of all abilities.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sea swim 3
- Sun 21 Jun
- £66-£119
ATW Stewartby Lake Triathlon & Aquabike
Dive into the ATW Stewartby Lake Triathlon and Aquabike – a flat, fast and friendly race offering stunning lake views, smooth roads, and surefire PB potential.
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sun 21 Jun
- £75-£110
Southend Triathlon
Take on an exciting coastal triathlon in Southend, featuring a sea swim, fast seafront cycle, and scenic run with fantastic crowd support all the way.
- Sprint triathlon
- Olympic triathlon
- Relay triathlon
- Standard aquabike
- Sat 27 - Sun 28 Jun
- £20-£99
ATW Triathlon | Mallory Park
Mallory Park Triathlon Extravaganza: A traffic-free triumph! A thrilling and safe circuit nestled in picturesque surroundings, boasting its own self-contained swimming lake.
- Super sprint triathlon
- Sprint triathlon
- Super sprint aquabike
- Sprint aquabike
- Novice triathlon
- Sat 27 Jun
- £20-£31
ATW Childrens Triathlon Mallory Park
Mallory Park Junior Triathlon: Where dreams take flight! Nurturing the next generation of triathletes, providing a safe and exhilarating environment for children to discover the thrill of multisports.
- Kids triathlon 5
- Sun 28 Jun
- £94.99-£141.99
Wild Horse Brewing Co. Llandudno Triathlon & Duathlon
Race the North Wales coast in a spectacular multi-sport challenge, combining sea air, closed roads and iconic scenery in a fast, friendly triathlon and duathlon setting.
- Sprint triathlon
- Olympic triathlon
- Standard duathlon
- Wed 1 Jul
- £58-£78
Midweek Dorney Triathlon | July
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Sat 4 Jul
- £25-£60
FixAddiction Triathlon, 5K, 10K and Half Marathon
A superb summer's day of running and triathlon at the stunning Olympic venue which boasts fast, flat courses with closed roads and ideal swimming conditions. A must for your schedule this year.
- Super sprint triathlon
- Sprint triathlon
- 5K run
- 10K run
- Half marathon
- Sun 5 Jul
- £36-£90
English Riviera Triathlon
Fast, exciting, spectator-friendly racing in the centre of Torquay! Swim from the sheltered Torre Abbey Sands beach, ride a fast and flattish closed-road circuit and run by the sea.
- Sprint triathlon
- Olympic triathlon
- Super sprint triathlon
- Kids triathlon 2
- Sprint aquathlon
- + 1 more race
- Sun 5 Jul
- £69-£175
ATW Odyssey At Box End Triathlon
Get ready for one of the UK’s most exciting triathlon events of the year! Dive into crystal-clear lake waters at Box End, then ride a smooth, rolling bike course and follow scenic on-site run paths.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint aquabike
- Standard aquabike
- + 1 more race
- Sat 11 - Sun 12 Jul
- £20-£100
Ripon Triathlon Festival
A family-friendly event in partnership with the Brownlee Foundation, for triathletes of all skill levels including a Sprint, Standard, Middle distance tri, Swims, Aquabike, Relay and Juniors.
- Lake swim 2
- Sprint triathlon
- Sprint aquabike
- Standard aquabike
- Olympic triathlon
- + 5 more races
- Sun 12 Jul
- £75-£125
ATW Bristol Triathlon
Swim, bike, and run through an iconic city backdrop with a flat, fast course and incredible atmosphere — one of the UK's most-popular 'closed-road' triathlons.
- Sprint triathlon
- Sprint aquabike
- Olympic triathlon
- Standard aquabike
- Sun 12 Jul
- £58-£120
Dorney Triathlon | July
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sat 18 Jul
- £265-£293
- Early bird
Castle To Coast Triathlon
A one-of-a-kind triathlon adventure from castle to coast – swim, bike, run and soak up the best of the North and South Downs, fully supported all the way, no navigation needed!
- 1.2 miles lake swimming
- 66 miles road cycling + 3550 ft ascent
- 14 miles trail running + 1512 ft ascent
- Sun 19 Jul
- £49
Clevedon Triathlon
An amazing celebration weekend of swim-bike-run using the magnificent Marine Lake with the glorious Victorian Clevedon Pier as the backdrop, sea views, promenade and top reviews!
- 750 m lake swimming
- 20 km road cycling
- 5 km multi terrain running
- Sun 26 Jul
- £58-£120
Dorney Triathlon | July
Take on this multi-activity event as an individual or as a relay, and enjoy the opportunity to race around the unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sun 26 Jul
- £42.99-£259.99
Snowman Triathlon, Duathlon and Swims
Awarded the Event of the Year (2021) in the Welsh Triathlon Awards, The Snowman is well known as the toughest multi-terrain triathlon and duathlon in the UK. Not for the faint-hearted.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint duathlon
- Lake swim 2
- Sat 1 Aug
- £60-£85
ATW Mallory Park Triathlon - Incorporating the 2027 European Age Group Championship Sprint Triathlon Qualifier
Mallory Park delivers a fast, unforgettable triathlon experience with smooth tarmac, a traffic-free circuit and a clean enclosed lake — an exhilarating, athlete-friendly venue.
- Super sprint triathlon
- Sprint triathlon
- Sat 8 Aug
- £145-£285
ATW Odyssey Triathlon
Complete your own Odyssey on a journey of self-discovery in the Cambridgeshire countryside featuring a swim in the River Ouse, a scenic ride and a run around the beautiful town of St Neots.
- Ironman
- Half Ironman