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 descents, with gradients reaching up to 22%. The event emphasizes sustainability, encouraging runners to use reusable cups and bottles. With a focus on safety, there are cut-off points for the longer routes, and various outposts will provide hydration and snacks along the way. 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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