Trail Running Calendar London 2026-2027

We have found 32 Trailruns in London. Check below where and when you can find the races.

A monthly urban trail run from Hampstead Heath with 15 km and 8 km options that traverse Primrose Hill, Regent's Park and Hyde Park, finishing at the Klättermusen store for coffee and pastries.

May 2026

A marked 100 mile point to point trail race from Richmond in London to Oxford with a 30 hour time limit, held mainly on groomed paths and paved pathways under a UKA permit.

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 long distance trail challenge from Richmond upon Thames to the Brighton coast with routes from 100 km to shorter distances. The event features marked trails, GPS tracking, staffed rest stops with food and medical support and camping optio..

A muddy 5k obstacle event at Clapham Common with climbs, crawls and slides, wave starts and a minimum age of 13. The event lists facilities such as toilets and refreshments and carries a fundraising target of £50.

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.

Queen of the Suburbs Ultra invites runners to explore Ealing's greenways, towpaths and parks with 50k and 25k single loop options. Expect a Horsenden Hill climb with city views to Wembley and a friendly local race atmosphere.

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.

A charity 5k obstacle run at Blackheath Common on 28 June 2026 where participants climb, crawl and slide around a mainly grassy course while raising funds for cancer research. Wave starts, on-site refreshments and toilets are provided.

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.

A muddy 5k obstacle course at Beckenham Place Park where participants climb, crawl and slide across grass and paths with steep inclines. Open to ages 13 and over with a published fundraising target and event facilities 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.

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