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.

Race information

50 km
25 km
10 km
Visit the organization's website for the most recent information.
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