Sat 26 Sep 2026 Henley-on-Thames, Buckinghamshire, UK
Chiltern 50 Ultra Challenge | Henley 25km Loop
An exciting 25km loop as part of the Chiltern 50 Ultra Challenge from Henley Showground past the River Thames, Greys Court and the pretty Hambleden Village to a celebratory finish!
Enter now- Sat 26 Sep 2026
Henley Showground, Henley-on-Thames
Henley 25km Loop
08:30
Age 14 & over
£89
- 25 km trail running + 500 m ascent
Event overview
At the basecamp in Henley, there’s a Saturday night celebration BBQ, bar and entertainment, with extensive on-site camping and parking options.
These routes with real variety and wonderful scenery and are easily accessible from London. You’ll get full support and hospitality, and with a 10km and 25km loop also available, there’s a Chiltern Ultra Challenge® for everyone!
This event is part of Chiltern 50 Ultra Challenge.
Event details
- Average fitness
- Beginner-friendly
- Event village
- Families
- Traders at event
Route
- Check points
- Distance markers
- First aid
- Food stations
- Marshals
- Mass start
- Toilets
- Undulating
- Water stations
- Way markers
Location
- Bag transfer
- Bar
- BBQ
- Cafe
- Camping
- Music
- Paid parking
- Rural
- Secure bag storage
- Showers
- Toilets
- Urban
What's included
- Camping
- Drinks
- Event app
- Fizz at the finish
- GPS tracking
- Map
- Massage
- Medal
- Post-race meal
- Pre-event training sessions
- Snacks
- Training plan
- T-shirt
How to enter
- Age 14 & over
- Entries open
- Charity entries closed
- Charity places
- Enter online
- Event merch available
Other races at event
- Sat 26 Sep
- #1 of 3
Henley Showground, Henley-on-Thames
Full 50km Challenge
06:45
Age 16 & over
£139
- 50 km trail running + 920 m ascent
- Sat 26 Sep
- #3 of 3
Henley Showground, Henley-on-Thames
The Chiltern 10K
10:00
Age 8 & over
£49
- 10 km trail running + 235 m ascent