Centurion Hundred Hills 50km

Stonor, United Kingdom • 14 Mar 2026

The Centurion Hundred Hills 50km is a scenic trail ultramarathon set in the Chiltern countryside, starting and finishing at historic Stonor Park. The race covers 50 kilometers with approximately 4,000 feet of elevation gain, featuring two 25km loops through picturesque villages, ancient woodland, and challenging trails. It is suitable for both first-time ultra runners and experienced competitors, with a 9-hour cut-off.

The event offers full support, including aid stations, medical assistance, and marked routes. Participants receive medals or the option to plant a tree, and there are prizes for top finishers and age categories. The race emphasizes support, safety, and environmental sustainability. Visit the organization's website for the most recent information.

Race information

50 km
1219 m+
Visit the organization's website for the most recent information.
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