About the event
This ultra-marathon offers a comprehensive tour of the Chiltern Hills' diverse terrain, featuring steep climbs, fast descents, and long stretches of forest and farmland trails. The 1800m elevation gain is distributed across several challenging ascents, providing continuous tests of runners' climbing abilities and stamina. With a limited field of 200 participants, the race ensures a more intimate experience, allowing for individual support and a strong sense of community among runners. The start and finish at the Chesham Guides HQ allow for easy access and gathering, where runners can celebrate their achievements with fellow competitors in a friendly and supportive environment, complete with post-race amenities to recover and rejoice.
Date:
Sat
Apr 26
2025
Location:
Distance:
Elevation profile:
Moderate
Website:
LinkElevation gain:
Number of participants:
200
Find the best training plan for your goals and the distance you’re planning to run:
Stories from Runnas
The Chiltern Hills Ultra 100km starts at the Chesham Guides HQ in Buckinghamshire, taking 200 runners on an arduous journey through the Chiltern Hills with an elevation gain of 1800m, testing endurance and determination. This ultra is designed for serious runners seeking a significant challenge amidst some of England’s most beautiful and undulating landscapes.
If you are an official race organiser with any questions about this page, please get in touch: races@runna.com
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