- Sun 14 Jul
- £65-£110
- Sun 14 Jul
- £65-£110
Marlow, Buckinghamshire, UK
The One on the River | Marlow | Jul
Taking place across the scenic Thames Valley area. Swim the river, cycle the hilly open roads, or run the flat Thames path – with a selection of activities over grass, tarmac, and trail.
- Newcomers
- Event village
- Park
- Sustainability policy
- Age 17 & over
- Sprint triathlon
- Olympic triathlon
- Half Ironman
- Sprint duathlon
- Standard duathlon
- + 10 more races
- Sun 14 Jul
- £59-£89
- Sun 14 Jul
- £59-£89
Chesham, Buckinghamshire, UK
Buckinghamshire Triathlon
A fabulous challenging day of triathlon at an accessible location with a range of waves and maximum support for inclusivity all-round, whether complete beginner or seasoned Sprint professional.
- Newcomers
- Event village
- Age 16 & over
- Novice triathlon 3
- Super sprint triathlon
- Sprint triathlon