Trail Running Calendar London 2025-2026

We have found 10 Trailruns in London. Check below where and when you can find the races.

Epic Epping Forest Ultra 2025, run by Orion Harriers, was planned as a 50-mile forest ultra in Epping Forest, north-east London, starting from Jubilee Retreat in Chingford. The course comprised ten 5-mile laps on woodland trails with about 1,120 meters of elevation gain, marked with sawdust and flag..

Richmond Park Half Marathon is a trail-style half marathon held entirely within Richmond Park, London. The course starts and finishes at Sheen Gate (race HQ) and covers 13.1 miles, looping from the centre to Richmond Gate and along the Tamsin Trail, with climbs to Broomfield Hill for drinks and pass..

October 2025

The London Epping Forest 50 Km will take place in London on Saturday 4 October 2025. You can run 50 kilometers.

Thames Meander Autumn is Hermes Running’s scenic riverside race series, starting from the Petersham & Ham Sea Scouts HQ, Douglas House Meadow, Richmond, TW10 7AH. Runners can choose from three flat, fast routes along the Thames Path: 10km, half marathon (13.1 miles), or marathon (26.2 miles). All ar..

8 Bishopsgate Stair Climb is a charity stair-climb event in London, held at 8 Bishopsgate, EC2N 4BQ. Climbers ascend the building’s 50 floors, totaling 1,135 steps to a viewing gallery at the top of the 203-metre tower, where panoramic views of the city await. The climb is designed for all paces—par..

November 2025

The RunUk Kingston 10k is a scenic running event starting and finishing at the Kingston Hawker Centre in Surrey. The course takes runners through the streets of Kingston and along the picturesque river towpath, offering a vibrant atmosphere supported by local organizations. Participants receive a fi..

May 2026

Thames Path 100® is a 100-mile point-to-point trail race by Centurion Running, from Richmond in London to the grounds of Oxford University. The route follows the Thames Path with a flat, fast profile on groomed paths, trails and paved sections, and about 1,900 feet (560 m) of climb, offering varied..

UTMB Index

Grand Union Canal Race (GUCR) is a 145-mile non-stop ultramarathon along the Grand Union Canal Towpath from Gas Street Basin, Birmingham to Little Venice, London. Dubbed “The Long Run” and regarded by many as Britain’s premier ultra, the race follows a way-marked, flat towpath through urban and rura..

June 2026

Beyond London offers two routes: a 55km Ultra and a 25km Trail. The event starts in Woolwich for the ultra and Upper Norwood for the shorter race, finishing in Richmond upon Thames. The route follows the Capital Ring inner circle, exposing iconic London sights such as Eltham Palace, Wimbledon Common..

July 2026

The Spitfire Scramble is a unique 24-hour multi-terrain relay or solo race held at Albyns Farm, London Borough of Havering. Participants can run solo or in teams of two to eight, tackling a 5.75-mile lap repeatedly through day and night. The course spans areas managed by Havering and Forestry Englan..