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Chiltern 50 Ultra Challenge

Henley-on-Thames, United Kingdom • 27 Sep 2025

The Chiltern 50 Ultra Challenge is a scenic endurance event held in the Chilterns countryside, starting and finishing at Henley Showground. Participants can choose from 50 km, 25 km, or 10 km looped routes featuring historic trails, rolling hills, nature reserves, and stunning views. The event offers a supportive atmosphere with full hospitality, including covered rest stops every 12.5 km, food and drink catering to all dietary needs, medical and massage teams, and GPS-tracked, well-signed routes. After the challenge, participants enjoy a celebration meal, bar, and camping options at the Henley basecamp. The event welcomes walkers, joggers, and runners of all levels. Visit the organization's website for the most recent information.

United Kingdom South East (England) Henley-on-Thames

Race information

Website
UTMB 20K UTMB 50K
50 km
920 m+
25 km
500 m+
10 km
235 m+
Visit the organization's website for the most recent information.
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