Trail Running Calendar London 2026-2027

We have found 14 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

Join Thames Meander Spring on 8 March 2026 for a flat, scenic riverside run from Barnes with 10 km, half and full marathon options. The route is marked and marshalled with stocked checkpoints and medical cover for a smooth race day.

May 2026

Tackle 100 miles along the iconic Thames Path from Richmond to Oxford in this point to point ultramarathon. Enjoy mostly scenic trails, generous on course support and a coveted Centurion buckle for finishers within the 30 hour cut off.

UTMB Index

Run the scenic Richmond Park Marathon, a 26.2 mile trail race through ancient woodlands and open parkland over three laps. UK Athletics affiliated and charity supported, it offers chip timing, aid stations and medals for all finishers.

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.

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.

Beyond London on 20 June 2026 invites runners to tackle 25 km or 55 km trails along the Capital Ring, passing Eltham Palace, Wimbledon Common and Richmond Park. Expect varied paths, full support and a scenic finish in Richmond.

August 2026

Tackle the Vanguard Way Marathon or Half on 2 August from Croydon, a scenic out and back through parkland, woodlands and the North Downs with sweeping views and varied trails. Finishers get a medal and a goody bag.

Thames Meander Summer on 9 August 2026 invites runners to a scenic, flat and runnable riverside race along the Thames Path between Richmond and Barnes. Choose 10km, half marathon or marathon on a waymarked, marshalled towpath course.

September 2026

Take on the Thames Path Ultra Challenge on 12 and 13 September 2026 along the scenic towpath from Putney to Henley. With distances from 10 km to 100 km, full support and a festival vibe, it suits runners and walkers alike.

UTMB Index

Scenic half marathon through historic Richmond Park on Sunday 13 September 2026, starting and finishing at Sheen Gate. Tackle rolling trails past White Lodge and along the Tamsin Trail in this beautiful 13.1 mile challenge.

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.

Run the Thames Meander Autumn on 4 October 2026 along flat, runnable out and back routes on the Thames Path. Choose 10 km, half or full marathon, with marshals, stocked aid stations and pro medical cover.

November 2026

Take on the Kingston 10k on 22 November 2026, a lively road race that winds through Kingston streets and along the river towpath. Enjoy chip timing, a finisher medal and goodie bag, and support Kingston Hospital Charity.