Trail Running calendar near Grafham Water 2026-2027

We have found 457 Trailruns within 80 miles of Grafham Water. See below where and when you can find the races.

Experience an evening trail run through Salcey Forest with this dedicated 10k event. Light up the night with your head torch on a flat two lap course featuring dedicated waves for runners and canicross teams.

Join this flexible six hour challenge in Salcey Forest and run as many 3.5 mile laps as you like. Whether you aim for a 5k or an ultramarathon, this off road event welcomes runners, walkers, and canicross participants.

Experience a guided 10km night trail run through Surrey’s historic Hankley Common. Run past famous film locations and the historic Atlantic Wall in a safe social group led by a professional guide.

Enjoy a flexible 6 hour timed challenge at Salcey Forest where you choose your own distance. Complete as many 3.5 mile laps as you like on scenic forest trails with options for canicross and rucking.

Explore the scenic trails of the Chiltern Hills with this guided half marathon adventure featuring qualified run leaders and trail technique instruction and no one is left behind.

A 17.5-mile trail run following the marked boundary of the beautiful Ashridge Estate. The varied off-road course includes a climb to Ivinghoe Beacon. Every finisher receives a gift, and a donation from each entry supports the National Trust..

The Ultra in the Black Country returns for its ninth year in March 2026. This 32-mile scenic loop starts and finishes at Baggeridge Country Park. The traffic-free route explores disused railways, canal paths, and tunnels, and can be run sol..

Explore the heart of Thetford Forest with a flexible timed challenge on a 5.3 km multi terrain loop. Complete any distance from 5 km to an ultra marathon with full support and a finishers medal.

A five mile off road trail at Upcote Farm on 29 March 2026, limited to about 300 places. The route features farm roads, bridleways and forest tracks, with chip timing, medals for all and prize categories for juniors and veterans.

A half marathon at Blickling with the start and finish at Blickling Hall. The multi-terrain route has a four hour cut-off, a charity entry option with a £150 fundraising requirement, and limited entries that are sold out for this edition.

Experience a traffic free 10k trail run through the ancient pollard trees and lakes of Epping Forest. This undulating two lap forest course features chip timing and finisher medals for all participants.

Take on the Gauntlet Treasure Run along a flat riverside towpath in Walton on Thames, doing laps of a 5.3 km out and back to build any distance from 5k to ultra within seven hours. Limited places and every finisher gets a medal.

Choose your distance on the day with these flexible loop based races in Buckinghamshire. Run anything from 7km to an Ultra Marathon on scenic trail and road routes with full support and central aid stations.

Experience a premier multisport challenge at the Culden Faw Estate featuring road and offroad duathlons plus a six hour endurance race for all bike types.

Experience an evening trail run through Wivenhoe ending with a social gathering at a local pub. This five mile off road event features a mass start and requires a head torch for all participants.

April 2026

Celebrate the new season with this 10k trail run featuring a unique dusk course and a post race egg hunt. Enjoy a limited edition T shirt and hot refreshments while tackling the scenic terrain.

Enjoy a flexible 7 hour time challenge along the scenic River Thames at Runnymede. Choose your own distance from 3km to ultra marathon and earn a unique Easter egg medal and goody bag.

Join an off road 5k trail race through Westley Heights Country Park and Willow Park. This measured course features a mix of bridleways and tarmac sections for a true countryside running experience.

A ladies only trail half marathon in Sutton Scarsdale following a scenic out and back route under the April full moon. Enjoy campfire refreshments and a supportive atmosphere while raising funds for Women’s Aid.

Participate in a self navigation trail race through the Felsted countryside as part of a four day Easter series. Choose between five and nine mile routes using written directions for a unique timing based challenge.