The Maverick X Series Chilterns

Stonor, United Kingdom • 19 Jul 2025

The Maverick X Series Chilterns 2025 is a trail running event set in the picturesque Stonor Park, featuring four new routes that traverse the stunning Chilterns Area of Outstanding Natural Beauty. Participants can choose from distances of 12 km, 22 km, 42 km, and 52 km, each offering challenging climbs and scenic views, including the chance to spot local wildlife like fallow deer and red kites. The event emphasizes sustainability by encouraging runners to bring reusable cups and aims to create a plastic-free environment. With fully marked courses and various support outposts, it caters to trail runners of all levels. Visit the organization's website for the most recent information.

Race information

UTMB 50K ITRA 2
52 km
1223 m+
Ultra
42 km
1016 m+
Long
22 km
517 m+
Middle
12 km
244 m+
Short
Visit the organization's website for the most recent information.
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