Chiltern Hills 100K
External Event
Distance
26.2 mi
Pace
Challenging
Terrain
Hilly
Difficulty
Hard
About this run
Experience the Chiltern Hills 100K ultra marathon on May 9, 2026. This challenging event takes place in Chesham, United Kingdom. Prepare for a demanding 100km race through scenic terrain.
What to expect
- 100km ultra marathon
- Scenic course in the Chiltern Hills
- Challenging race day experience
- Check the official site for full details
Typical conditions
For events around October 2027 in Chesham, United Kingdom: Typical autumn conditions in this region — conditions can change quickly; confirm race-day guidance on the official page.
How to prepare
Marathon training typically spans 12–16 weeks with a progressive long run and recovery weeks. Do not invent a course strategy here — check the official site for start waves, cutoffs, and gear rules.
Best marathons to run in 2026Getting there
This event is listed in Chesham, United Kingdom. Confirm the exact start venue, parking, and transit options on the official registration page.
Registration is handled by the official event organizer
Know a local group? Host a community run in Chesham
