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Chiltern 50 Ultra Challenge

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

The Chiltern 50 Ultra Challenge is a 50 km looped endurance event held in the scenic Chilterns countryside, starting and finishing at Henley Showground. Participants can walk, jog, or run the course featuring historic trails, rolling hills, nature reserves, and stunning views. The event offers 50 km, 25 km, and 10 km loop options, making it accessible for various fitness levels.

The Henley basecamp hosts a lively post-challenge celebration with a BBQ, bar, entertainment, and extensive camping and parking facilities. Full support includes covered rest stops with food, drinks, medical aid, GPS tracking, and timing. The event promotes camaraderie and achievement in a well-supported outdoor setting near London. 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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