






Chiltern Hills 100K
Race details
Next edition - 5th April 2025
A 100K ultra marathon along the best and most loved trails within the Chiltern Hills.
Our debut 100K event will take place in Spring 2025 on a route that combines the most loved trails and landmarks within the central Chiltern Hills.
The event base and exact route are still to be confirmed, however a priliminary course can be viewed below.
Key Information
Date
Saturday 5th April 2025
Start Time
06:00 (TBC)
Distance/Elevation
100K / 2000m+
Event Base
Wendover, Chiltern Hills
Navigation
Marked
Time Limit
18 hours
Max Runners
300
Minimum Age
20
UTMB Index

License
TRA Permit No. TBC.
Race held under UKA rules.
Race held under UKA rules.
Entry
Opening spring/summer 2024
Route Map
Our trail running races
Past results & photos
Not sure which race to choose, check out our past event results and photos.