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Centurion Hundred Hills 50km

Stonor, United Kingdom • 14 Mar 2026

The Centurion Hundred Hills 50km is a scenic trail ultra marathon held in the Chiltern countryside, starting and finishing at the historic 850-year-old Stonor Park near Henley-On-Thames, England. The race features two distinct 25km loops, covering a total distance of 50km with approximately 4000ft (1200m) of elevation gain. The course traverses picturesque villages, ancient woodlands, and a mix of 80% trail and 20% road terrain. With a 9-hour cut-off, it suits both first-time ultra runners and those seeking a fast early-season challenge. The event offers five well-stocked aid stations, full medical support, and a vibrant atmosphere with food and drink vendors for spectators. Visit the organization's website for the most recent information.

United Kingdom South East (England) Stonor

Race information

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