Centurion North Downs Way 100

Farnham, United Kingdom • 9 Aug 2025

The Centurion North Downs Way 100 is a challenging 103-mile continuous trail ultramarathon held in Southeast England, running from Farnham in Surrey Hills to Ashford in Kent. The course features approximately 11,000 feet of elevation gain, traversing scenic countryside, villages, and notable landmarks such as Box Hill and the Medway Bridge. About 80% of the route is on trails with some road sections, and runners navigate marked paths with aid from 12 well-stocked aid stations offering diverse nutrition options. The race has a 30-hour cut-off and requires runners to meet qualifying standards. Finishers receive commemorative buckles and shirts, with special awards for sub-24-hour completions. Visit the organization's website for the most recent information.

Race information

103 mi
11000 m+
103 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

The Serpent Trail is a scenic trail running event held in the South Downs National Park, Hampshire, UK, known for its breathtaking and unique countryside. It offers five distances: 100km, 75km, 50km, 20km, and 10km, catering to a range of runners and walkers. The courses feature mostly flat terrain..

UTMB Index

The Horton Country Park Summer Series 2025 is the third of four evening orienteering events organized by MVOC, held at Horton Country Park near Chessington, UK. It offers a welcoming atmosphere for runners of all abilities, featuring a 60-minute score course with an odds & evens format for experienc..

The North Downs 50 Ultra Challenge is a premier endurance event held in the Surrey Hills, starting and finishing at the Guildford basecamp. Participants can walk, jog, or run on looped routes of 50km, 25km, or 10km, featuring scenic trails along the North Downs Way with stunning southern views. The..

UTMB Index

The Surrey Hills 10km is a guided trail run set in the picturesque Surrey Hills Area of Natural Beauty near Guildford, UK. The 10km route starts with a climb up St Martha's Hill, offering panoramic views from the hilltop church, then continues to Newlands Corner with stunning vistas over Surrey’s ro..

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 is a daytime trail running event held at Denbies Wine Estate in Dorking, UK. It offers marathon, half marathon, and 10K distances, including canicross races, plus 1K and 2K kids’ races for ages 3-12. The course features an undulating route through Surrey’s rolling, muddy hi..