Chiltern Ridge Winter 50K

Berkhamsted, United Kingdom • 1 Nov 2025

The Chiltern Ridge Winter 50K is a scenic autumn/winter trail running event held in Berkhamsted, UK. This ultra-distance race covers a challenging 50 kilometers with over 800 meters of elevation, following a single-loop course through the heart of the Chilterns. Runners traverse woodland trails, Berkhamsted Common, the National Trust's Ashridge Estate, and sections of The Ridgeway National Trail, passing through Aldbury and Wendover before returning via the Chiltern Way. The course is fully marked with arrows and ribbons, supported by three aid stations offering hydration and nutrition. The event starts and finishes at Berkhamsted Cricket Club, with a 9-hour time limit and a maximum of 250 participants. Visit the organization's website for the most recent information.

Race information

UTMB 50K
50 km
800 m+
50k Ultra
Visit the organization's website for the most recent information.
Trail runs nearby

Henley River Half Marathon, 10k & Juniors August 2025 is a RunThrough UK event held in Henley-on-Thames, UK. The course offers a fast scenic trail around Henley-on-Thames, starting and finishing by Temple Island Meadows, the official start line for the Royal Henley Rowing Regatta. Distances availabl..

The St Albans Stampede - 12hr Enduro is an ultra marathon held in the scenic Hertfordshire countryside, featuring parts of Heartwood Forest and Nomansland Common. Participants aim to cover the greatest distance by running multiple four-mile loops within a 12-hour period. The event accommodates solo..

Bradenham Blast is a trail running event at Manor Farm, Bradenham, near High Wycombe in the Chiltern Hills. It offers three distances: 5km, 10km, and a Half Marathon (21.1km) introduced in 2025. The routes are described as hilly and scenic, winding through tranquil beech woodland with outstanding vi..

SOX 10km is a 10km multi-terrain race organized by Racing Line Running, taking place on September 7, 2025, starting and finishing at the South Oxfordshire Brewery taproom in Ipsden, Oxfordshire. The course blends private terrain, trails, woodlands, fields and local roads, with around 60% off-road an..

The Thames Path Ultra Challenge is a premier endurance event held in England along the iconic River Thames, running from Putney Bridge in London to Henley-on-Thames. Participants can walk, jog, or run various distances including 100 km, 75 km, 50 km, 25 km, and a 10 km Henley loop. The course passes..

UTMB Index

The Sandridge 10k is a scenic trail running event set in the picturesque village of Sandridge, near St Albans. Participants can enjoy a beautiful 10k course that showcases the natural beauty of the area. The event is organized by Active Training World, and it promises a rewarding experience for both..