Trail Running Calendar London 2026-2027

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

Run a fast, flat race on the scenic Thames Path. Choose from marathon, half marathon, or 10km distances on this out and back route. The event offers stocked checkpoints and medical support along the course.

May 2026

Event Overview The Thames Path 100 (TP100) is a 100-mile point-to-point continuous trail race. The course follows the Thames Path from Richmond in south-west London to the city centre of Oxford. This is the 15th annual edition of the race...

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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.

This trail marathon takes place over three scenic laps in Richmond Park. The mixed-terrain course features a unique first lap and two shorter laps on the Tamsin trail. Comprehensive facilities, including on-course medical support and aid st..

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.

This 50km ultramarathon is a unique point-to-point journey from Peckham, London, to East Peckham, Kent. Runners will experience a route that transitions from urban streets to the Kent countryside. The event offers aid stations and marked co..

June 2026

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.

The Shadwell 10K is a scenic multi-terrain race through local footpaths. Starting and finishing at the primary school, this event offers marshalled support and on-site facilities for runners aged 15 and over.

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

This event follows the scenic and undulating Vanguard Way trail, offering marathon and half marathon distances. The route explores parkland, woodland, and historic sites starting near Croydon. Participants receive a medal, t-shirt, and good..

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.

The Richmond Park Half and Full Marathon are on August 23, 2026, in Richmond Park. The course includes park trails and landmarks, with goody bags for finishers. This UK Athletics affiliated event has limited entries.

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

Thames Path Ultra Challenge The Thames Path Ultra Challenge is an event that takes participants along the Thames towpath from Putney Bridge to Henley-on-Thames. The event takes place on 12-13 September 2026. The full continuous route is 100..

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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

Run for a cause at the MoRun London in Richmond Park. Choose from a 1.5k, 5k, 10k, or half marathon on a scenic, chip-timed course. Every finisher gets a medal while supporting men's health charity Movember.

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..