Run the Wild Half Marathon - Autumn Edition
Chiltern Hills, United Kingdom • 11 Oct 2025
The Run the Wild Half Marathon - Autumn Edition is a 13-mile (21.1 km) trail running event set in the scenic Chiltern Hills, just 40 minutes northwest of London. Featuring rolling chalk hills and woodland paths with an ascent of around 300 meters, the course offers a welcoming atmosphere for all abilities, including first-time trail runners. Participants run in ability groups led by qualified Run Leaders who provide trail running tips and support. The event includes a well-stocked refreshment checkpoint and finishes with a finisher’s medal. Free parking, nearby rail access, and dog-friendly options with cani-cross equipment add to the event’s appeal. Visit the organization's website for the most recent information.