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 hills with around 300m of ascent, the course offers stunning chalk hills and woodland terrain. Designed for all abilities, participants run in groups led by qualified Run Leaders who provide trail running tips and support. The event includes a well-stocked refreshment checkpoint, a finisher’s medal, and free on-site parking. It emphasizes a friendly, non-competitive atmosphere, making it ideal for beginners, experienced runners, and those seeking a unique trail running adventure. Visit the organization's website for the most recent information.

Race information

21 km
300 m+
Half Marathon - 13 Miles / 21.1 Km
Visit the organization's website for the most recent information.
Trail runs nearby

The London 2 Brighton Ultra Challenge is a popular endurance event offering various distances, including a full 100 km route from Richmond to Brighton. Participants can walk, jog, or run through scenic Surrey and Sussex countryside, crossing the North and South Downs, with support and hospitality pr..

UTMB Index

The ATW Chiltern Half Marathon & 10K is a scenic running event held in the Chiltern Hills near Bellingdon, Chesham. Participants can choose between a half marathon or a 10K trail run through the Area of Outstanding Natural Beauty, featuring rolling landscapes with challenging climbs and rewarding de..

The Beat the Sunset 50km is a multi-terrain ultra marathon held in the Thames Valley, starting at Summerleaze Park in Maidenhead. The flat, single-lap course covers 50 kilometers with 235 meters of elevation, featuring 75% off-road terrain along the Thames Path, Jubilee River, and the Green Way. The..

The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race along the entire length of The Ridgeway National Trail in England. Starting at Ivinghoe Beacon in Hertfordshire and finishing at the Avebury Stones in Wiltshire, the course follows a historic path over 5,000 years old. T..

UTMB Index

The Coombe Hill Fell Race is an exciting 7km fell run, categorized in the BS Category by the Fell Running Association. Set in Wendover, Bucks, the race features a challenging course with steep climbs and descents. Participants can enjoy a fun atmosphere, with entry fees of £5 for general participant..

The Midweek Chasing Numbers June event, organized by Saturn Running, invites participants to join a flexible running challenge along the scenic River Thames. This inclusive event welcomes runners of all abilities, including walkers, and allows participants to choose their distance within a 7-hour ti..