Olympic triathlons (standard distance) in UK in May 2026
Find olympic triathlons (standard distance) in UK in May 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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- Sat 16 May
- £99-£122
ATW Big East & Maldon Standard Triathlon
The Big East and Maldon Triathlon is brought to you by the largest triathlon organiser in the UK! A great experience featuring a tidal river swim.
- 1500 m river swimming
- 40 km road cycling + 479 ft ascent
- 10 km trail running + 86 ft ascent
- Sun 17 May
- £82-£90
Roadford Lake Triathlon | Standard
This triathlon returns for another successful year! It’s a superb swimming venue with quiet rolling roads for the bike course and a cracking run too. Plus there's lakeside camping available too.
- 1500 m lake swimming
- 46 km road cycling + 4245 ft ascent
- 10 km road running + 1644 ft ascent
- Sun 24 May
- £99-£120
ATW Box End Standard Triathlon
Challenge yourself in the Standard Distance Triathlon at Box End Lake — a superb race combining pristine open water, fast scenic routes, and an unbeatable atmosphere for all abilities.
- 1500 m lake swimming
- 40 km road cycling + 837 ft ascent
- 10 km road running + 170 ft ascent
- Sat 16 May
- £55-£67
Essex Triathlons - Hanningfield Reservoir | Standard Triathlon
- 1500 m lake swimming
- 38 km road cycling
- 10 km trail running
- Sun 17 May
- £75-£125
51fiver Cotswold Standard Triathlon | Triathlon
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 24 May
- £90-£100
Bewl Water Triathlon | Standard Distance Triathlon
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 31 May
- £70-£95
Northumberland Festival of Sport | Standard Triathlon
- 1.5 km lake swimming
- 38 km road cycling
- 11.5 km trail running