North Downs Way 100
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Event overview
The North Downs Way 100® is a continuous trail race held on 8 August 2026 that runs west to east along the North Downs Way from Farnham to Ashford. The route is just over 100 miles with about 11,000 ft (3,350 m) of climb and a 30 hour overall time limit. The terrain is roughly 80% trail and 20% road. The finish is at the Julie Rose Stadium in Ashford. The event is organised by Centurion Running and is held under a UK Athletics permit. The published entry fee is £220 for UKA affiliated runners and £222 for unaffiliated runners.
Route and logistics
The course starts at the western end of the North Downs and passes Puttenham, Guildford, Ranmore Common, Box Hill, Reigate Hill, Merstham, Oxted and Knockholt Pound (the 50 mile point). The route continues via Wrotham, Holly Hill, the Medway Bridge, Detling, Hollingbourne, Harrietsham and Charing before dropping into Ashford. There are at least 12 fully stocked aid stations, with hot drinks from Knockholt onwards and hot food at Knockholt, Detling and the finish. Drop bag locations include Mile 50 (Knockholt Pound), Mile 82 (Detling) and the finish (Ashford).
Entry and requirements
Entries open 6 September 2025 and close 31 July 2026 or when full. Minimum age is 20. To start, runners must have completed a minimum 50 mile race within 15 hours since 1 January 2021. Pacers are permitted from the Otford crew point (Mile 54.5) and crews are limited to one vehicle on course at a time. Mandatory kit must be carried at all times; missing mandatory items can incur a one hour time penalty. Medical support and race medics are provided at major aid stations and the finish. Visit the organization's website for the most recent information.
