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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Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 8 Aug
- £56-£285
ATW First To Full Triathlon Festival
Be part of a UK first. This isn’t just another triathlon—it’s the first event of its kind where you decide the distance, from sprint to full, and race your way.
- Beginner-friendly
- Entertainment
- Event village
- Park
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Ironman
- Sprint aquabike
- + 4 more races
- Sun 16 Aug
- £56-£97
ATW Oundle Triathlon
ATW is the largest triathlon organiser in the UK and is bringing you the Oundle Triathlon! It doesn’t matter if you are an experienced triathlete or this is your very first attempt at swim-bike-run.
- Beginner-friendly
- Event village
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Sun 16 Aug
- £22-£31
ATW Oundle Children’s Triathlon
A fun, friendly and fully supported triathlon for children of all abilities — perfect for first-timers looking to experience the thrill of swim, bike and run in Oundle.
- Families
- Beginner-friendly
- Event village
- Age 8-16
- Kids triathlon 5
- Sat 22 Aug
- £250
THE RESTLESS Gravel XTRI
Take on a wild Scottish adventure combining a cold-water loch swim, epic gravel ride and tough mountain run through the breathtaking landscape of the Arrochar Alps.
- Chip timing
- Enter online
- GPS tracking
- Hilly
- Mountainous
- Traffic free
- Event village
- Event expo
- Rural
- Mountains
- Age 18-100
- 1.8 km lake swimming
- 50 km gravel riding + 2000 m ascent
- 25 km fell running + 1200 m ascent
- Wed 26 Aug
- £58-£78
Midweek Dorney Triathlon | August
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.
- Recycling
- Beginner-friendly
- Event village
- Sustainability policy
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Sun 30 Aug
- £69-£220
Wimbleball Triathlon
A superb triathlon venue which hosted Ironman 70.3 for ten years! Experience dramatic hills, pristine open water and wild Exmoor scenery in a tough, rewarding multisport challenge of your choice.
- Beginner-friendly
- Event village
- Rural
- Age 17 & over
- Olympic triathlon
- Half Ironman
- Ironman
- Standard aquabike
- Standard aquathlon
- Sun 12 Jul
Eastbourne Triathlon and Multisport Festival
- Super sprint triathlon
- Kids triathlon
- Sprint triathlon
- Olympic triathlon
- Sea swim 2
- + 2 more races
- Sun 19 Jul
Compton Verney Sprint Triathlon
- Sprint triathlon
- Relay triathlon
- Sun 19 Jul
On The Edge Middle Distance Triathlon
- 1.9 miles lake swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sat 29 Aug
Staffin Triathlon and 10K
- Kids triathlon 4
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon
- 10K run