Chiltern Challenge

The Humanity Direct Chiltern Challenge is a one-day ultra running event held in the scenic Chiltern Hills, starting and finishing at Princes Risborough School, near London. Participants can choose from three distances: 10km, 25km, or 50km, catering to all levels from beginners to experienced ultra runners. The well-marked circular course uses National Trails and Footpaths, featuring multiple checkpoints with food and water for longer distances.

The event offers a supportive atmosphere with fully stocked aid stations, medical cover, and a welcoming community vibe. Entry fees support Humanity Direct charity, with an option to run for free by fundraising. Amenities include transport from the station, free parking, finishers' medals, and refreshments. Visit the organization's website for the most recent information.