Runaway Adventures - Chiltern Hills 100k

The Chiltern Hills 100K is an ultra marathon scheduled for April 26, 2025, featuring a scenic route through the picturesque Chiltern Hills. Starting and finishing in Chesham, the race covers a marked anticlockwise loop that includes notable landmarks such as Ashridge Estate, Ivinghoe Beacon, and Coombe Hill. Participants will navigate a total distance of 100 kilometers with an elevation gain of over 1800 meters, supported by six checkpoints offering hydration and nutrition.

The event is open to runners aged 20 and above, with a maximum of 250 participants allowed. Visit the organization's website for the most recent information.