Trail Running Calendar London 2026-2027

We have found 28 Trailruns in London. Check below where and when you can find the races.

Experience a 100 mile point to point trail race following the iconic Thames Path from London to Oxford. This flat and fast course offers a 30 hour time limit through beautiful English riverside scenery and groomed trails.

UTMB Index

Experience the scenic trails and woodland paths of Hampstead Heath in this annual charity event featuring chip timed races and a community fun run with views of the London skyline.

Join the first race of the ELVIS 2026 series in Dagenham. This five mile multi terrain event features a three lap course through the scenic Eastbrookend Country Park with on site facilities and chip timing.

A multi distance trail event from Richmond upon Thames to Brighton Racecourse on 23 and 24 May 2026. Distances range from 10 km to a continuous 100 km with staffed rest stops, GPS tracking, medical support and camping options.

UTMB Index

A three-lap 26.2 mile marathon through Richmond Park, starting and finishing near Sheen Gate. The route uses the Tamsin Trail for two laps, features chip timing, drink stations and marshals, and has a 6 hour 30 minute cutoff.

Experience the greenest borough of London with a 50K ultra or 25K trail run through Ealing. Navigate scenic canal paths and parks on this mixed terrain course featuring live tracking and aid station support.

A multi-format track event in Twickenham on 30 May 2026 featuring ten-repeat formats at 400 m and 800 m, with solo and team entry options and age restriction of 18 and over.

Experience a unique 50km point to point ultramarathon from the heart of South London to the rural lanes of Kent. Enjoy a supported journey through urban streets and scenic countryside with well stocked aid stations along the way.

June 2026

A three-race Forest Five (mile) series at Jubilee Retreat on 6 June, 4 July and 1 August 2026, with single-race and discounted series entry, age-category aggregate trophies and a third-race ELVIS fixture with team prizes.

Test your endurance at MacTuffX London in Barking. Choose from solo, doubles, or relay categories with interval distances of 10x400m or 10x800m. This event is open to all participants aged 18 and over.

Two fully signed trail routes around Richmond Park following parts of the Capital Ring. Choose a 55 km ultra or a 25 km trail, with route support, training support from Beyond Trails and an accessible start and finish.

A trail running event set inside Trent Country Park, Enfield, with wooded paths, grassy sections and some hills. Races include a 10 km senior race, a 4.5 km junior race and a 2 km kids fun run.

July 2026

Forest Five Series Race 2 is a one mile forest race on 04 July 2026, part of a three race series started in 2009 to fund the Orion Harriers clubhouse. The event includes age category and team trophies.

A 24 hour multi terrain relay or solo race near Romford where competitors run repeated 5.75 mile laps in teams of two to eight, with one runner on course per team; camping and event services are available on site.

August 2026

Interval-based running event in London on 1 August 2026 offering 10x400m and 10x800m formats. Categories include solo, doubles and relay entries with fees from £65 to £165; all entrants must be 18 or older.

Third race of the Forest Five mile series on 1 August 2026, held as Orion Harriers' ELVIS fixture. The event awards individual and team trophies and offers a discounted series rate with age-category aggregate prizes.

Out and back marathon and a half marathon on part of the Vanguard Way near Croydon. Routes pass woodland, the North Downs and Greensand Ridge; the organiser provides race T shirts and post race goody bags.

A riverside race series in Richmond along the Thames Path with 10 km, half marathon and marathon routes starting and finishing at Petersham & Ham Sea Scouts HQ. Check points are stocked and KLP Medics provide on-course medical support.

Richmond Park stages combined Half and Full Marathon on Sunday 23 August 2026. The looped park course starts at Sheen Gate, follows the Tamsin Trail through several gates and woodland areas, and includes aid stations and refreshments.

Experience a scenic run through the historic Richmond Park on this UK Athletics Affiliated course. Choose between a half or full marathon distance following the trails and private roads of London’s largest Royal Park.