Triathlons in UK in May 2025
Find triathlons near me in UK 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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Events near me
Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sun 25 May
- £99-£120
- Sun 25 May
- £99-£120
Dorney Standard Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 17 & over
- 1500 m lake swimming
- 40 km road cycling
- 10 km road running
- Sun 25 May
- £58
- Sun 25 May
- £58
Dorney Super Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Sun 25 May
- £80
- Sun 25 May
- £80
Dorney Lake Draft-Legal Triathlon
Incorporating Sprint Triathlon 2026 World Championships Qualifier! Dorney Lake Events provides you with an opportunity to race like an elite around this unique and inspiring Olympic venue.
- Newcomers
- Enter online
- Flat
- Event village
- Age 15 & over
- 750 m lake swimming
- 19 km road cycling
- 5 km road running
- Wed 28 May
- £58
- Wed 28 May
- £58
Midweek Dorney Super Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 400 m lake swimming
- 10 km road cycling
- 2.5 km road running
- Wed 28 May
- £78
- Wed 28 May
- £78
Midweek Dorney Sprint Triathlon
Take on this multi-activity event and take the opportunity to race around this unique and inspiring Olympic venue! Great water quality and flat, scenic grounds.
- Chip timing
- Enter online
- Flat
- PB
- Age 15 & over
- 750 m lake swimming
- 20 km road cycling
- 5 km road running
- Sat 3 May
XTERRA Weston Park | Super Sprint Triathlon
- 400 m lake swimming
- 8 km mountain biking
- 2 km trail running
- Sat 3 May
XTERRA Weston Park | Sprint Triathlon
- 750 m lake swimming
- 16 km mountain biking
- 5 km trail running
- Sat 3 May
XTERRA Weston Park | World Cup Full Distance Triathlon
- 1.5 km lake swimming
- 32 km mountain biking
- 10 km trail running
- Sat 3 May
Oldbury White Horse Children’s Triathlon | Youth
- 250 m pool swimming
- 5 km mountain biking
- 2.5 km trail running
- Sat 3 May
Oldbury White Horse Children’s Triathlon | Tri Star 3
- 250 m pool swimming
- 4 km mountain biking
- 2 km trail running
- Sat 3 May
Oldbury White Horse Children’s Triathlon | Tri Star 2
- 200 m pool swimming
- 3 km mountain biking
- 1.5 km trail running
- Sat 3 May
Oldbury White Horse Children’s Triathlon | Tri Star 1
- 150 m pool swimming
- 2 km mountain biking
- 1 km trail running
- Sat 3 May
Oldbury White Horse Children’s Triathlon | Tri Start
- 50 m pool swimming
- 1 km mountain biking
- 0.5 km trail 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 4 May
Horwich Triathlon, Duathlon & Aquathlon | Triathlon - Sprint Distance
- 400 m pool swimming
- 20 km road cycling
- 5 km road running
- Sun 4 May
Horwich Triathlon, Duathlon & Aquathlon | Triathlon - Standard Distance
- 500 km pool swimming
- 40 km road cycling
- 8.6 km road running
- Sun 4 May
BUCS Triathlon: Sprint & Mixed Relay Championships | Sprint Triathlon
- 400 m pool swimming
- 18 km road cycling
- 5 km road running
- Sun 4 May
Oldbury White Horse Sprint Events | Triathlon
- 250 m pool swimming
- 20 km road cycling
- 5 km trail running
- Sun 4 May
XTERRA Weston Park | Full Distance Triathlon
- 1.5 km lake swimming
- 28 km mountain biking
- 10 km trail running
- Sun 4 May
BUCS Triathlon: Sprint & Mixed Relay Championships | Mixed Team Relay
- 150 m pool swimming
- 6.5 km road cycling
- 1.7 km road running
- Mon 5 May
Tonbridge Triathlon | Sprint Triathlon
- 400 m pool swimming
- 25 km road cycling
- 5 km road running
- Mon 5 May
Tonbridge Triathlon | Standard Triathlon
- 800 km pool swimming
- 50 km road cycling
- 10 km road running
- Mon 5 May
Thames Turbo Sprint Triathlon | Super Sprint
- 213 m pool swimming
- 14 km road cycling
- 2.5 km trail running
- Mon 5 May
Thames Turbo Sprint Triathlon | Sprint
- 426 m pool swimming
- 21 km road cycling
- 5 km trail running
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