Triathlons
Find triathlons near me in 2025/2026 - 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.
- Sun 20 Sep 2026
- £30-£97
Eton Dorney Triathlon & Swims
The Olympic venue, Eton Dorney, offers pan-flat, traffic-free roads and a beautiful clear lake for all levels of triathletes and swimmers to enjoy in an exclusive setting.
- Families
- Recycling
- Newcomers
- Dogs allowed at venue
- Event village
- Urban
- Park
- Rural
- Free venue entry
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Lake swim 4
- Sun 20 Sep 2026
- £55-£115
ATW St Neots Triathlon | Race 3
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park in a triathlon or aquabike event of your choice.
- Newcomers
- Event village
- Park
- Sustainability policy
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sprint aquabike
- Sat 26 Sep 2026
- £75-£116
ATW Grafham Triathlon
Sprint or Standard Tri or Aquabike, in and around the beautiful, clean reservoir, on a flat course for all abilities with custom-designed medal, free photos and finish line goodies.
- Recycling
- Newcomers
- Event village
- Park
- Sustainability policy
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sat 26 Sep 2026
- £58-£120
Dorney Triathlon | September
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
- Newcomers
- Event village
- Sustainability policy
- Public transport links
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sat 3 Oct 2026
- £215-£260
THE ROC SCOTLAND
THE ROC takes in the Highlands. Kinlochleven to the summit of Ben Nevis and back, including a Loch swim, stunning mountain/gravel bike sections and the UK's highest mountain!
- Recycling
- Plastic bottle free
- Music
- Chip timing
- Enter online
- Hilly
- Mountainous
- Event village
- Rural
- Mountains
- Sustainability policy
- Plastic-free event
- Age 18 & over
- 1 km lake swimming
- 52 km mountain biking
- 18 km multi terrain running
- Sun 26 Apr 2026
Harrogate Triathlon
- Kids aquathlon 5
- Sprint triathlon 2
- Novice triathlon
- Super sprint triathlon
- Sun 26 Apr 2026
Woking Spring Triathlon & Junior Aquathlon
- Super sprint triathlon
- Sprint triathlon
- Sprint aquathlon
- Kids aquathlon 5
- Sun 3 May 2026
Horwich Triathlon, Multisport & Trail Runs
- Sprint triathlon
- Olympic triathlon
- Sprint duathlon
- Standard duathlon
- Sprint aquathlon
- + 5 more races
- Sun 5 Jul 2026
- £65-£160
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.
- Newcomers
- Event village
- Park
- Age 15 & over
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint aquabike
- Standard aquabike
- + 1 more race
- Sun 12 Jul 2026
Eastbourne Triathlon and Multisport Festival
- Super sprint triathlon
- Kids triathlon
- Sprint triathlon
- Olympic triathlon
- Sea swim 2
- + 2 more races
- Sun 19 Jul 2026
Compton Verney Sprint Triathlon
- Sprint triathlon
- Relay triathlon
- Sun 19 Jul 2026
On The Edge Middle Distance Triathlon
- 1.9 miles lake swimming
- 56 miles road cycling
- 13.1 miles trail running
- Sat 1 Aug 2026
- £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.
- Newcomers
- Event village
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Sat 29 Aug 2026
Staffin Triathlon and 10K
- Kids triathlon 4
- Novice triathlon
- Super sprint triathlon
- Sprint triathlon
- 10K run
- Sun 30 Aug 2026
Wimbleball Triathlon
- Olympic triathlon
- Half Ironman
- Ironman
- Standard aquabike
- Standard aquathlon