Trail Running calendar near London 2026-2027

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..

Experience a scenic 50 km loop through the South Downs starting from historic Arundel. This trail race features rolling hills, forest paths, and riverside tracks with full navigation marking and live GPS tracking.

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.

Experience a scenic 16 mile multi terrain race through the Berkshire and Hampshire countryside. This undulating cross country course offers bus transport to the start and kit transfers for all participants.

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.

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.

Testway Ultra on 04/04/2026 invites runners to tackle scenic 40 or 50 mile routes along Hampshire's Testway from Linkenholt to Totton. Well marked trails, regular aid stations and a shuttle make for a friendly, memorable ultra.

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.

Experience a mini version of the backyard ultra format on a hilly trail course. Complete six yards with a special marathon distance challenge to receive a bespoke memento and local refreshments.