Chiltern Challenge
Princes Risborough, United Kingdom • 19 Jul 2025
The Humanity Direct Chiltern Challenge is a one-day endurance event set in the picturesque Chiltern Hills, offering participants the choice of running distances of 10 km, 25 km, or a full 50 km ultra marathon. This event not only provides a challenging experience for both novice and seasoned runners but also supports a charitable cause, funding life-changing operations for children in developing countries. Participants can enter for free by committing to raise funds for Humanity Direct. The event includes well-marked routes, checkpoints with refreshments, and a celebratory atmosphere, making it a memorable day for all involved. Visit the organization's website for the most recent information.