Logo

Centurion North Downs Way 50

Farnham, United Kingdom • 16 May 2026

The Centurion North Downs Way 50® is a challenging 50-mile point-to-point ultramarathon held annually along the North Downs Way National Trail in England. Starting in Farnham, Surrey, and finishing at Knockholt Pound near Greater London, the course features approximately 5,600 feet of elevation gain. Runners traverse scenic trails passing through Puttenham, Guildford, Ranmore Common, and tackle steep climbs including Box Hill and Colley Hill.

The route is 80% trail and 20% road, marked by national trail signs and additional race markers. The event offers six well-stocked aid stations, medical support, and requires mandatory safety gear. It is part of the 50 Mile Grand Slam series and is organized under a UK Athletics permit by Centurion Running. Visit the organization's website for the most recent information.

United Kingdom South East (England) Farnham

Race information

Registration
50 mi
5600 m+
North Downs Way 50® - 50 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

The Maverick X Series Chilterns

Stonor - 26 mi from Farnham

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 e..

UTMB Index

Bright Skies - Surrey Hills

Dorking - 20 mi from Farnham

...

Bright Skies Surrey Hills is an exciting daytime trail running event held at Denbies Wine Estate in Dorking, UK. The event features a marathon, half marathon, 10K race (including canicross options), and kid’s races of 1K and 2K for ages 3-12. The course offers an undulating route through Surrey’s ro..

Valley Park Tour Of The Woods

Chandler's Ford - 30 mi from Farnham

The Valley Park Tour of the Woods is a 10 km trail race held in the scenic Valley Park Woodlands in Chandler's Ford, Hampshire. Organized by Chandler's Ford Swifts Running Club, the race is uniquely divided into five stages ranging from 500 meters to 3 km, with recovery breaks between each that do n..

Surrey Slog

Ewhurst - 16 mi from Farnham

The Surrey Slog, also known as the Holmbury Hill Challenge, is a challenging trail running event held in the scenic Surrey Hills near Peaslake. The race features a hilly, undulating multi-loop cross-country course primarily on tracks around Holmbury Hill, with well-marked routes and marshalled key p..

BigHeat Trails (FIRE)

Haslemere - 9 mi from Farnham

BigHeat Trails (FIRE) is the third event in the Classic Element Trail Series, held at Rother College in Midhurst, Surrey. Inspired by the element of fire, this trail running event offers two challenging single-lap distances: a marathon and a 16-mile run. The course features winding dusty tracks, sun..

Stately Trails: Aske

Richmond - 27 mi from Farnham

Stately Trails: Aske is a scenic running event held at Aske Hall, a Georgian country house near Richmond, North Yorkshire. Participants can choose between 5km and 10km trail races, or a 5km walk, all set within the exclusive estate's beautiful grounds featuring parkland, woodland, pasture fields, an..