The Maverick X Series Chilterns

The Maverick X Series Chilterns 2025 is a trail running event held at the historic Stonor Park estate near Henley-on-Thames, Oxfordshire. Set within the Chilterns Area of Outstanding Natural Beauty, the race offers four challenging routes ranging from 12 km to an ultra 52 km, featuring significant elevation gains up to 1214 meters. Participants run through ancient woodlands, with chances to spot local wildlife like fallow deer and red kites.

The course includes steep climbs and descents up to 22% gradient, demanding focus and endurance. The event emphasizes sustainability with plastic-free outposts and requires runners to carry essential safety gear. Visit the organization's website for the most recent information.