Triathlons in East of England in May 2025
Find triathlons near me in East of England in May 2025 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.

- Sun 4 May
- £73
- Sun 4 May
- £73
ATW St Neots Sprint Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park. The Sprint and Standard are included in the 2024 Eastern Region Series.
- Enter online
- Age 15 & over
- 750 m river swimming
- 24 km road cycling
- 5 km road running

- Sun 4 May
- £94
- Sun 4 May
- £94
ATW St Neots Standard Triathlon | Race 1
Stunning riverside venue! Swim in the beautiful River Ouse, cycle through scenic villages and run around Riverside Park. The Sprint and Standard are included in the 2024 Eastern Region Series.
- Enter online
- Age 17 & over
- 1500 m river swimming
- 45 km road cycling
- 10 km road running

- Sun 4 May
- £53
- Sun 4 May
- £53
ATW St Neots Super Sprint Triathlon | Race 1
Swim in the beautiful River Ouse, cycle through scenic villages, run around Riverside Park and complete a Super Sprint Triathlon with the encouragement of fellow sportspeople and spectators!
- Enter online
- Age 15 & over
- 400 m river swimming
- 8 km road cycling
- 2.5 km road running

- Sun 11 May
- £49
- Sun 11 May
- £49
HSV Sprint Triathlon
This is a great triathlon for all standards, from the absolute beginner right through to the seasoned triathlete. The course is fast, flat and has great PB potential.
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m pool swimming
- 20 km road cycling
- 5 km road running

- Sun 18 May
- £120-£140
- Sun 18 May
- £120-£140
ATW Box End Centurion 100km Triathlon
Challenge yourself to tackle a 100km Centurion this year, a distance made popular by the PTO race series. Ideal if you're training for a 70.3 Half-Iron or taking a step up from Standard Distance Tri.
- Enter online
- Undulating
- Age 18 & over
- 2250 m lake swimming
- 80 km road cycling
- 20 km trail running

- Sun 18 May
- £78-£99
- Sun 18 May
- £78-£99
ATW Box End Sprint Triathlon
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
- Enter online
- Age 15 & over
- 750 m lake swimming
- 26 km road cycling
- 5 km road running

- Sun 18 May
- £99-£120
- Sun 18 May
- £99-£120
ATW Box End Standard Triathlon
Stunning watersports venue with immaculate water quality, scenic run route, custom designed medal plus team relay option.
- Enter online
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 4 May
Walden Triathlon | Super Sprint
- 200 m pool swimming
- 12 km road cycling
- 2.5 km multi terrain running
- Sun 4 May
Walden Triathlon | Sprint
- 400 m pool swimming
- 23 km road cycling
- 5 km multi terrain running
- Sun 11 May
Spring Waveney
- 400 m pool swimming
- 20 km road cycling
- 3.2 km road running
- Sat 17 May
Essex Triathlons - Hanningfield Reservoir | Sprint Triathlon
- 750 m lake swimming
- 25 km road cycling
- 5 km trail running
- Sat 17 May
Essex Triathlons - Hanningfield Reservoir | Standard Triathlon
- 1500 m lake swimming
- 38 km road cycling
- 10 km trail running
- Sun 18 May
Stradbroke Triathlon | Triathlon
- 160 m pool swimming
- 19 km road cycling
- 3 km trail running