North Downs Way 100

North Downs Way 100®

The North Downs Way 100 is a continuous 100 mile trail race held in August 2026 with a 30 hour cut off. The advertised route covers 103 miles (167 km) with about 11,000 ft (3350 m) of ascent, running from Farnham in the Surrey Hills to Ashford in Kent. The event is the 16th edition and is a Western States qualifier.

The course follows the North Downs Way national trail with two planned deviations, visiting Puttenham, Guildford, Ranmore Common, Box Hill, Reigate Hill, Merstham, Oxted and the 50 mile point at Knockholt Pound. The route continues through Wrotham, Holly Hill and across the Medway, then on towards Detling, Hollingbourne, Harrietsham and Charing before finishing at the Julie Rose Stadium in Ashford. Terrain is approximately 80 percent trail and 20 percent road.

Race headquarters is at Farnham Leisure Centre. There are a minimum of 12 fully stocked aid stations offering food and drinks, with hot drinks from Knockholt onwards and hot food at selected later stations. Drop bags are restricted in size and may be left for specified aid stations at Mile 50, Mile 82 and the finish. Pacers are permitted from the Otford crew point at Mile 54.5 and crews are allowed only at listed locations with one vehicle at a time.

Entry requires a qualifying 50 mile race within 15 hours in the specified window and a minimum age of 20. Mandatory kit must be carried at all times and a one hour time penalty may be applied for missing items. Awards include 100 mile buckles for sub 24 hour and 24 to 30 hour finishers and category prizes. Visit the organization's website for the most recent information.