Trail Running Calendar London 2026-2027

Forest Five is a mile race in a three race 2026 series run by Orion Harriers, with events on June 6, July 4 and August 1. The August 1 race is Orion's ELVIS fixture and includes individual and team trophies plus series aggregate awards.

A trail marathon and half along part of the Vanguard Way, an undulating out and back route with varied South East England scenery.

Riverside races from Barnes along the Thames Path offering 10 km, half marathon and marathon courses with marked routes and checkpoint support.

Race one of the AWT Backyard Ultra Series in Ruislip on 9 August 2026 uses six hourly 5 km laps for a total of 30 km. Entry is free and the event is held in person with free parking.

Full and half marathons through Richmond Park on 23 August 2026, starting at Sheen Gate, using park trails with refreshments and UK Athletics affiliation.

Half and full marathons in Richmond Park on 23 August 2026, with multi-lap routes along the Tamsin Trail, refreshment points and UK Athletics affiliation.

A trail run entirely within Richmond Park offering half marathon and marathon distances, a route past the White House and park lakes, and on-course drinks and feed stations.

Half marathon and 10k at Wimbledon Common on 6 September 2026, with marked trails, marshals and a 3.5 hour cutoff. An event village offers food, drink and finish line goodies and the event supports the Beder charity.

A multi-distance walk, jog and run along the River Thames from Putney Bridge to Henley in September 2026 and 2027. Distances span **10 km** to **100 km** with rest stops, catering, medical support and GPS tracking via an event app.

A timed lap event in Crystal Palace Park where runners complete 2.65 km laps within a seven hour limit, choosing distances from 5 km to ultra. The off road course mixes tarmac and gravel and all participants receive a bespoke finishers meda..

A 50 km ultramarathon through Epping Forest in London, organised by Camino Ultra and scheduled for 3 October 2026 as part of their 2026 race programme.

Scenic out and back races along the Thames Path from Petersham & Ham Sea Scouts HQ to Barnes, offered as 10 km, half marathon and marathon options with staffed checkpoints and medical cover.

Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.

A point to point half marathon along the Grand Union Canal from Cowley to Cassiobury Park in Watford, chip timed with water stations and a sustainable wooden finisher medal.

A Half Marathon and a 10k on Wimbledon Common in London supporting Beder, with a trail marked course, course marshals and an event village offering food, drink and partner goodies.

A *10 km* road and riverside run starting and finishing at Kingston Hawker Centre, using chip timing and offering a finisher medal, refreshments and baggage drop. The event supports Kingston Hospital Charity and notes nearby train and local..

A looped trail event in Crystal Palace Park where runners complete 2.65 km laps within a 7 hour time limit. Distances range from 5 km to ultra and all participants receive a finishers' medal.

A timed lap event in Crystal Palace Park on 21 February 2027 where runners complete 2.65 km laps to reach distances from 5 km to ultra, with a seven hour limit and a finishers' memento for all participants.

A London ultramarathon in the Lea Valley on 20 March 2027, listed on the Camino Ultra event calendar. The event is set in the E15 2HB area of London.

A 100 mile trail race along the Thames Path from Richmond to Oxford on 1 May 2027, with 1900 ft of climb, a 30 hour cut off and a minimum of twelve aid stations. Entries require a qualifying 50 mile finish within 15 hours.