Trail Running Calendar London 2026-2027

We have found 19 Trailruns in London. Check below where and when you can find the races.

Take on the Hot Lips Run at Crystal Palace Park and choose how many 1.65 mile laps to tackle, from 5k to ultra, on scenic off road trails with rolling hills. Timed with a 7 hour limit and a finisher memento for all entrants.

March 2026

Riverside races from Small Profit Dock Gardens in Barnes along the Thames Path to Petersham. Offers 10km, half marathon and marathon out and back courses with marked routes, stocked checkpoints and KLP medical support.

May 2026

A 100 mile point to point trail race along the Thames Path from Richmond to Oxford with a 30 hour limit, marked route, mandatory kit requirements and staged aid stations. Entries for 2026 are full and new applicants join a waiting list.

UTMB Index

Run For Your Life on 2 May 2026 at Parliament Hill, Hampstead Heath offers 10 km, 5 km and a 2 km Fun Run on scenic trails past Kenwood House. Managed starts and medals welcome all while proceeds support Jubilee Hall Trust.

A 26.2 mile trail marathon in Richmond Park with three laps starting and finishing near Sheen Gate. The route follows the Tamsin Trail and inner park paths and features drink stations, chip timing and signposted routes.

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 point to point 50 km ultramarathon on 31 May 2026 from Peckham in London to East Peckham in Kent. The course moves from urban streets to country lanes and includes aid stations, volunteers and clear course marking.

June 2026

Join Chase The Sun at Clapham Common on 10 June 2026 for a lively 5K or 10K loop around the park, passing the Bandstand and mostly on footpaths. Enjoy chip timing, a unique themed medal, free race photos and post race goodies.

Two fully signed Capital Ring routes in London offering a 55 km ultra and a 25 km trail, finishing in Richmond upon Thames. GPX files, feed stations, chip timing and medical support are provided, with enforced cut off times and age limits.

A chip-timed trail running event in Trent Country Park, Enfield, offering a 10 km senior race plus junior and kids races, with race photographs provided and specific safety and age rules for participants.

August 2026

Trail marathon and half on part of the Vanguard Way near Croydon, using undulating out-and-back sections through parkland, woodland and the North Downs. Finishers receive a medal and a goody bag including a mug and buff.

A riverside race series along the Thames Path between Petersham and Barnes offering 10 km, half marathon and marathon distances. Routes run on towpath trail, are well marked and marshalled, with stocked checkpoints and KLP Medics support.

A 13.1 miles park half marathon in Richmond Park following the Tamsin Trail and park roads, with refreshment points, varied scenery and a single lap route returning to Sheen Gate.

Trail races over half marathon and marathon distances take place entirely inside Richmond Park, starting and finishing at Sheen Gate. The course passes gates, lakes and wooded sections and includes several drink and feed stations.

September 2026

A multi-distance towpath challenge from Putney Bridge to Henley, with supported rest stops, medical teams, GPS tracking and options for walkers, faster runners and two-day formats as part of a riverside weekend festival.

UTMB Index

A 13.1 mile half marathon in Richmond Park on 13 September 2026, starting at Sheen Gate and following the Tamsin Trail and park roads with water stations and refreshments on route.

October 2026

Take on the Epping Forest 50 KM 2026, a scenic 50 km trail challenge through ancient woods on 3 October 2026. Enjoy varied terrain, fresh air and a memorable run just outside London.

Riverside out and back races along the Thames Path from Petersham & Ham Sea Scouts, offering 10 km, half marathon and marathon distances on a flat, well marked trail shared with the public.

November 2026

A 10 km race in Kingston on 22 November 2026 that starts and finishes at the Hawker Centre, running through town and along the river towpath. The event uses chip timing, provides a finish medal and refreshments, and offers baggage drop and..