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 distinct routes: Ultra (52 km), Long (42 km), Middle (22 km), and Short (12 km). Participants will navigate through the stunning Chilterns Area of Outstanding Natural Beauty, encountering challenging climbs and the chance to spot local wildlife, including fallow deer and red kites. The event emphasizes sustainability, encouraging runners to use reusable cups and bottles. With fully marked courses, hydration stations, and a focus on runner safety, this event caters to trail runners of all levels. Visit the organization's website for the most recent information.

Race information

UTMB 50K
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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