Maverick X Series Chilterns | 2027

Maverick X Series Chilterns 2025 takes place on Saturday 19 July 2025 at Stonor Park, Henley-on-Thames. Featuring five scenic trail distances—7km Sprint, 12km Short, 22km Middle, 42km Long, and 52km Ultra—this race traverses the stunning Chiltern Hills AONB with undulating terrain, woodland tracks, and panoramic views. Runners will enjoy a well-marked route, hydration outposts, chip timing, and free parking.