Triathlons
Find triathlons near me in 2026/2027 - filter by date, location or category, display on a map or use the advanced search to find your perfect race.
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- Sun 16 Aug
- £32-£39
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.
- 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.
- 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.
- Super sprint triathlon
- Sprint triathlon
- Sprint aquabike
- Sun 30 Aug
- £69-£260
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.
- Olympic triathlon
- Half Ironman
- Ironman
- Standard aquabike
- Standard aquathlon
- Sat 5 Sep
- FREE-£80
Cotswolds Lake 62 End of Season Events
Swim in a private Cotswolds lake, ride scenic country roads and run within an exclusive venue at this family-friendly multisport end-of-season event.
- Olympic triathlon
- Standard duathlon
- Standard aquabike
- Standard aquathlon
- Fun run
- + 1 more race
- Sun 6 Sep
- £80-£120
Helvellyn Triathlon & Aquabike
Take on one of the UK’s toughest triathlons – a legendary Lake District challenge where brutal climbs, wild beauty and sheer determination define every mile.
- Olympic triathlon
- Standard aquabike
- Sun 6 Sep
- £98.99-£259.99
Triathlon Y Bala
Start with a water swim in beautiful Llyn Tegid against a mountain backdrop, then push through scenic bike and run routes on fully closed roads around Bala, North Wales.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sat 12 Sep
- £55-£150
Sundowner Triathlon
The Sundowner is back! Race as the sun sets in an unforgettable triathlon event at Allerthorpe Lakeland Park in Yorkshire which is now back on the race calendar.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Standard aquabike
- Middle aquabike
- + 2 more races
- Sun 13 Sep
- £73-£108
Aviemore Triathlon
Escape to the Cairngorms for an adventure triathlon in the scenic waters of Loch Morlich, then mountain biking and trail running in Glenmore Forest. Go Short Fast Durty or Long Hard Durty.
- Sprint triathlon
- Olympic triathlon
- Sun 13 Sep
- £20-£74.50
Woking Autumn Triathlon & Junior Aquathlon
Dive into clear waters, ride fast on quiet roads and run strong at a friendly, autumn challenge offering triathlon and aquathlon options for all ages and abilities.
- Super sprint triathlon
- Sprint triathlon
- Kids aquathlon 5
- Sprint aquathlon
- Sun 13 Sep
- £65
Salcombe Brewery Co Sprint Triathlon
Taking place from the wonderful North Sands, put your endurance to the test with a sociable and challenging seaside triathlon, to finish with a Salcombe Sprint Triathlon medal!
- 700 m sea swimming
- 19 km road cycling + 400 m ascent
- 3 km trail running + 90 m ascent
- Sun 20 Sep
- £49-£61
Dawlish Triathlon
Race a classic seaside triathlon with a sea swim in a safe and supported environment, closed-road cycling and a fast run along Dawlish’s iconic seafront.
- Super sprint triathlon
- Sprint triathlon
- Super sprint aquabike
- Sun 20 Sep
- £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.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Lake swim 4
- Sun 20 Sep
- £57-£119
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.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sprint aquabike
- Sat 26 Sep
- £79-£120
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.
- Sprint triathlon
- Olympic triathlon
- Standard aquabike
- Sat 26 Sep
- £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.
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sun 27 Sep
- £76.99-£259.99
Superfeet Sandman Triathlon and Duathlon
An unforgettable adventure triathlon, The Sandman has been described as one of the most beautiful and thrilling multi-terrain races in the UK, offering a unique experience for athletes of all levels.
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint duathlon
- Sun 18 Oct
- £49
Minehead Triathlon
An award-winning coastal triathlon set among the safety of the sandy bay, featuring a fast bike route with Exmoor as the backdrop and a promenade run with beach finale!
- 750 m sea swimming
- 20 km road cycling
- 5 km multi terrain running
- Sun 26 Apr
- £17-£67
Harrogate Triathlon
- Kids aquathlon 5
- Sprint triathlon 2
- Novice triathlon
- Super sprint triathlon
- Sun 3 May
- £20-£99
Horwich Triathlon, Multisport & Trail Runs
- Sprint triathlon
- Olympic triathlon
- Sprint duathlon
- Standard duathlon
- Sprint aquathlon
- + 5 more races
- Sat 9 May
- £250-£270
THE ROC WALES
- 1.5 km sea swimming
- 100 km road cycling
- 13 km multi terrain running + 3330 ft ascent
- Sat 30 - Sun 31 May
- £35-£95
Northumberland Festival of Sport
- Lake swim 3
- Kids triathlon 4
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike