Sun 21 Sep 2025 Henley-on-Thames, Buckinghamshire, UK
The One on the River | Henley | 3000M Swim
Taking place across the scenic Thames Valley area with routes going through Culden Faw Estate. Enjoy a river swim surrounded by beautiful views in a safe and supportive environment.
- Sun 21 Sep 2025
Henley Showground, Henley-on-Thames
Swim | 3000M
09:45
Age 17 & over
£40
- 3000 m river swimming
Event overview
A special multi-activity weekend with something for everyone.
Enjoy the views of Henley-on-Thames and the surrounding areas.
This is the One Race that you do not want to miss.
Highlights
- Your favourite sport, with a new touch
- Scenic event venue
- Unforgettable route
- Caring team of sports enthusiasts
- Fully sustainable, zero-waste event
- Professional sports timing
- Extra entertainment during the weekend
This event is part of The One on the River | Henley.
Event details
- All fitness levels
- Event village
- Newcomers
- Spectators
- Swim hat provided
Route
- Distance markers
- First aid
- Marshals
- Water stations
Location
- Park
- Toilets
What's included
- Chip timing
- Map
- Medal
- Race photo
Sustainability
- Recycling
- Sustainability policy
How to enter
- Age 17 & over
- Enter online
Other races at event
- Sun 21 Sep
- #1 of 0
Henley Showground, Henley-on-Thames
Triathlon | Sprint
08:45
Age 17 & over
£65
- 750 m river swimming
- 30 km road cycling
- 5 km trail running
- Sun 21 Sep
- #2 of 0
Henley Showground, Henley-on-Thames
Triathlon | Standard
08:00
Age 17 & over
£75
- 1500 m river swimming
- 54 km road cycling
- 10 km trail running
- Sun 21 Sep
- #3 of 0
Henley Showground, Henley-on-Thames
Triathlon | Middle
07:00
Age 17 & over
£110
- 1900 m river swimming
- 78.5 km road cycling
- 20 km trail running
- Sun 21 Sep
- #4 of 0
Henley Showground, Henley-on-Thames
AquaBike | Sprint
08:45
Age 17 & over
£50
- 750 m river swimming
- 30 km road cycling
- Sun 21 Sep
- #5 of 0
Henley Showground, Henley-on-Thames
AquaBike | Standard
08:00
Age 17 & over
£55
- 1500 m river swimming
- 54 km road cycling
- Sun 21 Sep
- #6 of 0
Henley Showground, Henley-on-Thames
AquaBike | Middle
07:00
Age 17 & over
£80
- 1900 m river swimming
- 78.5 km road cycling
- Sun 21 Sep
- #7 of 0
Henley Showground, Henley-on-Thames
Swim | 750M
09:45
Age 17 & over
£25
- 750 m river swimming
- Sun 21 Sep
- #8 of 0
Henley Showground, Henley-on-Thames
Swim | 1500M
09:45
Age 17 & over
£30
- 1500 m river swimming