Duathlons in UK in June 2025
Find duathlons near me in UK in June 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 8 Jun
- Entries close soon
- Sun 8 Jun
- Entries close soon
Eastbourne Triathlon | Standard Duathlon
Experience a big day of run-bike-run multi sport from the famous seafront promenade and along closed roads as part of the Eastbourne Triathlon weekend.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 17 & over
- 5 km road running
- 36.6 km road cycling
- 10 km road running

- Sat 21 Jun
- £75
- Sat 21 Jun
- £75
Cholmondeley Castle | Sprint Duathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Sprint Duathlon! Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 15 & over
- 5 km trail running
- 28 km road cycling
- 2.5 km trail running

- Sun 22 Jun
- £80
- Sun 22 Jun
- £80
Cholmondeley Castle | Standard Duathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Standard Duathlon! Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 17 & over
- 10 km trail running
- 42 km road cycling
- 5 km trail running

- Sun 22 Jun
- £90
- Sun 22 Jun
- £90
Cholmondeley Castle | Middle Duathlon
Get active in the beautiful grounds and surrounding area of stunning Cheshire in a Middle Distance Duathlon! Bring your friends and celebrate completing your challenge in the festival village.
- Chip timing
- Enter online
- Age 18 & over
- 10 km trail running
- 56 km road cycling
- 10 km trail running

- Sun 22 Jun
- £78.99-£83.99
- Sun 22 Jun
- £78.99-£83.99
Cardiff Sprint Duathlon
Situated in the renowned Cardiff Bay, this event stands out as a truly memorable city race. The event village and transition area are on Roald Dahl Plass in front of the Wales Millenium Centre.
- Chip timing
- Enter online
- Flat
- Traffic free
- Age 15 & over
- 2.5 km road running
- 18.5 km road cycling
- 4.7 km road running

- Sun 29 Jun
- £40
- Sun 29 Jun
- £40
Woodford Community Duathlon | June | Sprint
Set amid rural Woodford with its picturesque scenery, this event has something to suit all abilities. There will be a great atmosphere throughout the morning!
- Enter online
- Age 15 & over
- 4.4 km road running
- 19.5 km road cycling
- 2.4 km road running

- Sun 29 Jun
- £30
- Sun 29 Jun
- £30
Woodford Community Duathlon | June | Super Sprint
Set amid rural Woodford with its picturesque scenery, this event has something to suit all abilities. There will be a great atmosphere throughout the morning!
- Enter online
- Age 15 & over
- 2.4 km road running
- 11.79 km road cycling
- 2.4 km road running
- Sat 7 Jun
Blenheim Palace Triathlon | Full Duathlon - Saturday
- 10 km road running
- 44 km road cycling
- 5 km road running
- Sat 7 Jun
Blenheim Palace Triathlon | Half Duathlon - Saturday
- 5 km road running
- 22 km road cycling
- 5 km road running
- Wed 11 Jun
South West Maritime Triathlon Series - Race 2 | Duathlon
- 3 km road running
- 18 km road cycling
- 5 km road running
- Wed 18 Jun
Cotswolds Lake 62 Evening Triathlon Series - Race 2 | Duathlon
- 1.5 km trail running
- 12.5 km road cycling
- 3 km trail running
- Sun 29 Jun
Ullswater Epicman Triathlon & Duathlon | Duathlon - Sprint Distance
- 5 km road running
- 24 km road cycling
- 5 km road running
- Sun 29 Jun
Ullswater Epicman Triathlon & Duathlon | Duathlon - Standard Distance
- 10 km road running
- 44 km road cycling
- 5 km road running
- Sun 29 Jun
Ullswater Epicman Triathlon & Duathlon | Duathlon - Middle Distance
- 10 km road running
- 90 km road cycling
- 10 km road running