Trail Running calendar near Chesham 2026-2027

Volunteer run charity 10k and 3k in Grantchester on 27 September 2026 supporting Maggie's Centre Cambridge and ACT. Courses run on farmland with chip timing, medals for finishers and on site refreshments.

A ten mile traffic free trail race at Eridge Park on 27 September 2026 with steep climbs, muddy sections and varied scenery. Organised by Tunbridge Wells Harriers, finishers receive a memento plus cake and a pint.

The Kingfisher Challenge is a flexible six-hour trail run at Coombe Abbey Park. Participants choose their distance by completing laps of a flat 5k course through woodlands and meadows. The event offers a unique tree token alternative to the..

South Downs 100 mile (Autumn Event) The South Downs 100 mile is a single-loop trail race through the South Downs National Park. The race starts at Plumpton Racecourse near Lewes in East Sussex. The route features rolling hills with over 12,..

This flat and scenic 50k ultramarathon runs point-to-point from Moors Valley Country Park to Hengistbury Head on 3 October 2026. The multi-terrain course features forest trails and seafront paths. It includes four feed stations, tracking op..

Take on the Epping Forest 50 KM 2026, a scenic 50 km trail challenge through ancient woods on 3 October 2026. Enjoy varied terrain, fresh air and a memorable run just outside London.

Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

Night trail races on the South Downs near Plumpton Racecourse, Lewes, offering looped options including a 50 km and a half marathon. The course is fully marked with reflective signage, aid stations and marshals.

A tenth anniversary five mile chip timed trail and Canicross across the Upper Wreake valley, with Hoby & District village hall as HQ and commemorative wooden medals for all finishers.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Riverside out and back races along the Thames Path from Petersham & Ham Sea Scouts, offering 10 km, half marathon and marathon distances on a flat, well marked trail shared with the public.

Wild Run Oxford is planned for 4 October 2026 (TBC) on Oxford's nearby trails, with a 10K and a Half Marathon on mixed smooth and rugged terrain; the event is licensed by the Trail Running Association and UK Athletics.

A challenge event in and around Marlow on 4 October 2026 offering 25 km, 40 km and 50 km routes through the Chilterns, organised by LDWA Thames Valley with checkpoint refreshments, a finish meal and limited entry.

A guided 30 mile trail run from St Martha's, Guildford along the North Downs Way via Box Hill and Denbies Wine Estate. Group-paced with coaching support; participants should have completed long training runs and carry suitable kit.

Looped 50 km, 25 km and 10 km routes from a Maidstone basecamp travel the North Downs Way, the River Medway and past Leeds Castle with covered rest stops, GPS tracking, camping and finisher medal and t shirt.

Tackle iconic Box Hill on a trail running challenge in Surrey. Choose from 50k, 31k, or 21k distances on a clearly marked course with marshal support. Finish in the event village to collect your medal and post race goodies.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

A circular 13.1 mile trail race in Thetford Forest around High Lodge held in October. The traffic free, multi terrain course is manually timed with cupless water provision, on the day number collection, medals and trophies for top finishers..

Enjoy a scenic 10k through the woodlands of Limpsfield Common and High Chart in Oxted Surrey, with rolling climbs and a downhill finish. Single lap route suits trail runners seeking a challenging rewarding outing.

Join the Grafham Water Trail Races on 11 October 2026 with 10k and half marathon routes from Marlow Park around the reservoir on fully marked trails. Enjoy scenic water views, marshalled support and a finishers medal for all.