Sat 9 May 2026 Chesham, Buckinghamshire, UK
Chiltern Hills 100K
A 100K ultra marathon along the best and most loved trails within the Chiltern Hills.
Enter now- Sat 9 May 2026
Checham Guides HQ, Chesham
Chiltern Hills 100K
07:00
Age 20 & over
£118-£120
- 100 km trail running
Event overview
Back for its second year in 2026, this 100K ultra marathon follows a route that links up some of the most popular trails and landmarks in the central Chiltern Hills. Starting and finishing in Chesham, runners take on an anticlockwise loop passing through Ashridge Estate, Ivinghoe Beacon, Coombe Hill, Bledlow Ridge and more.
Event details
- Event village
- Newcomers
- Superfit
Route
- Check points
- Distance markers
- First aid
- Hilly
- Marshals
- Water stations
What's included
- Chip timing
- GPS tracking
- Map
- Medal
- Post-race meal