Trail Running calendar near East Sussex 2025-2026

We have found 277 Trailruns within 80 miles of East Sussex. See below where and when you can find the races.

The Kingston 10k is an exciting running event that takes place in Kingston, starting and finishing at the Kingston Hawker Centre. Participants will enjoy a scenic route through the streets of Kingston and along the river towpath. The event promotes community spirit and supports the Kingston Hospital..

The Riverside Marathon & Half Marathon is a scenic running event taking place along the River Thames, featuring both marathon and half marathon distances. Participants can choose to complete either 4 laps for the half marathon or 8 laps for the marathon. The course is UKA certified and offers a flat..

The ATW Wendover Woods Trail Run & Canicross is an exciting event set in the picturesque Wendover Woods, scheduled for November 23, 2025. Participants can choose from a variety of distances, including a 5K, 10K, or Half Marathon trail run, as well as a 5K Canicross for those wishing to run with thei..

The Serpent Trail Ultra Run is a 30-mile trail event that showcases the scenic beauty of the Serpent Trail and the Sussex Border Path, starting and finishing in Haslemere, Surrey. This guided run is designed for both seasoned and first-time ultra runners, providing a supportive group experience led..

The Wittering Beach Run is a scenic running event set against the backdrop of West Wittering's stunning natural beaches, recognized for their Blue Flag Status. Participants can choose from three distances: 5km, 10km, and 15km, all of which feature picturesque views of Selsey Bill, the Isle of Wight,..

The Box Hill Vertical KM is a unique guided trail run set in the scenic hills of Box Hill, Surrey. This event focuses on tackling challenging elevations, aiming for over 1000 meters of ascent within a short distance. Participants will navigate through diverse terrains, including woodlands and heathl..

The Surrey Hills Half Marathon is a scenic trail running event that takes participants through the stunning landscapes of the Surrey Hills, starting and finishing in Guildford. This 13-mile guided run showcases highlights such as St Martha's Church, the village of Shere, and breathtaking views from..

December 2025

Winter on the Downs is an ultra-running event featuring two single-loop races of 55 miles and 100 miles, set in the scenic trails of East and West Sussex. Starting and finishing in Eastbourne, participants will traverse iconic landscapes, including Beachy Head and the Seven Sisters, with the 100-mil..

The Sussex Downs Trail Run takes place in the scenic South Downs National Park, starting from Plumpton Racecourse. Participants can choose from three distances: a 22km Half Marathon, a 12km Standard route, and a 9km option. The course features a mix of flat sections and challenging climbs, offering..

The Hurtwood 50K, organized by Freedom Racing, is a popular ultra-running event set in the scenic Surrey Hills. This trail race features a fully marked long-distance route, enhanced with additional signage for participant guidance. The event includes regular checkpoints offering food and drinks, mak..

UTMB Index

The Winter Downs 200 is a challenging 200-mile continuous trail run scheduled for December 10-14, 2025. This event features a scenic loop through the South of England, incorporating the North Downs Way, Vanguard Way, South Downs Way, Wayfarers Walk, and St Swithuns Way. Participants have up to 96 ho..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event scheduled for December 14, 2025, at Shalford Park, Guildford. Participants can choose to run distances ranging from 3.14 to 31.4 miles, with options for a Pi marathon and a 1-mile fun run for younger children. The course is mostl..

The Festive Friston Forest Night Trail Run is a unique 5-mile running event set in the scenic Friston Forest, taking place on December 22, 2025. Participants will navigate the course using Strava GPX on their devices, with a tail runner to ensure safety. The event encourages festive spirit, featurin..

The Winter Woolly 10km is a popular trail running event held on December 24th at the picturesque Elstree School in Upper Woolhampton, Berkshire. This multi-terrain course offers participants a scenic experience through the beautiful countryside, featuring lanes, footpaths, trails, and woodlands, wit..

January 2026

The Knacker Cracker is renowned as "Britain's toughest 10k," featuring a challenging course that includes significant elevation changes, with a total ascent of 473 meters. The race takes place at Denbies Vineyard in Dorking, with a new route introduced in 2025 that avoids ecologically sensitive area..

The Country to Capital Ultra Marathon is a renowned 43-mile race that marks the beginning of the ultra running season. Set in the picturesque Buckinghamshire countryside, the event attracts a diverse field of runners, including some of the best in the UK and beyond. Participants start at the Shoulde..

The Greener Earth Trail Series at Pippingford Park features two eco-friendly trail races designed to provide an exhilarating running experience while minimizing environmental impact. Set in the picturesque Ashdown Forest, participants can choose between a 5-mile or 10-mile course, with the second ra..