Event listings
Select an event for photos, video, route, location, reviews, entry fees and how to enter.
- Sat 2 May 2026
- £58-£120
Windsor, Buckinghamshire, UK
Dorney Triathlon | May
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.
- Recycling
- Newcomers
- Event village
- Park
- Sustainability policy
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Sprint aquabike
- Standard aquabike
- Sat 18 Jul 2026
- £260-£290
- Early bird
Windsor, Buckinghamshire, UK
Castle To Coast Triathlon
A one-of-a-kind triathlon adventure from castle to coast – swim, bike, run and soak up the best of the North and South Downs, fully supported all the way, no navigation needed!
Early bird on now
- Newcomers
- Chip timing
- Enter online
- Event village
- Rural
- Age 18 & over
- 1.2 miles lake swimming
- 66 miles road cycling + 3300 ft ascent
- 14 miles trail running + 1300 ft ascent
- Sun 20 Sep 2026
- £30-£97
Windsor, Buckinghamshire, UK
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.
- Families
- Recycling
- Newcomers
- Dogs allowed at venue
- Event village
- Urban
- Park
- Rural
- Free venue entry
- Age 15 & over
- Super sprint triathlon
- Sprint triathlon
- Olympic triathlon
- Lake swim 4