Trail Running calendar near London 2026-2027

We have found 421 Trailruns within 80 miles of London. See below where and when you can find the races.

Run a traffic free 10 mile trail course through the picturesque Eridge Park featuring steep climbs and woodland paths. Enjoy a complimentary pint and cake at the finish line of this well marked off road challenge.

October 2026

Experience a 100 mile single loop trail race through the South Downs National Park starting from Plumpton Racecourse. This event features 12000 feet of elevation and includes twelve aid stations with onsite camping available.

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A 30 mile guided trail run on the North Downs Way, starting from St Martha's Hill in Guildford. This group run, ideal for first time ultra runners, explores the Surrey Hills and includes a stop at Box Hill. The experienced guide handles the..

Experience a scenic 50km ultra marathon from Moors Valley Country Park to the Bournemouth coastline. This flat point to point course features forest trails and seafront paths with full medical and navigation support.

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.

Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

Experience the South Downs after sunset with looped races starting at dusk. Choose from three distances featuring rolling trails and reflective course markings under an official Dark Sky Reserve.

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Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Experience a flat and fast riverside trail race along the scenic Thames Path in Richmond. Choose from 10km, half marathon, or marathon distances on a well marshalled out and back course.

Choose from three scenic routes ranging from 25 km to 50 km through the Chilterns and the Stonor valley starting in Marlow. This supported challenge includes snacks, a meal, and a commemorative badge for entries.

Experience a 75 mile coastal ultramarathon along the scenic Essex Saltmarsh coastline. Choose between a continuous run, a two day journey, or a relay team event with full GPS tracking and support.

A flexible 6-hour timed run along the flat Jubilee River towpath. Run one 5.24-mile lap or see how many you can complete. The scenic route passes through countryside with views towards Windsor Castle.

Tackle the Kent Downs on Saturday, 10 October 2026. Choose from 50 km, 25 km, or 10 km looped routes starting from the Maidstone basecamp. Enjoy full support with rest stops, food, and a celebratory finish line.

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Experience the landscape of Surrey with a trail challenge at Box Hill featuring woodland paths and chalky climbs. Choose between 21k, 31k, or 50k distances with chip timing and a themed medal included.

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Discover the scenic trails of the Chiltern Hills in this guided 21 km autumn running adventure. Led by qualified guides, this event focuses on group camaraderie and trail techniques across beautiful undulating woodlands.

Test your endurance at Pippingford Park with 10 laps in 10 hours. Choose between three different loop distances on a private estate and earn your finisher shirt based on your performance in this unique timed challenge.

Experience an autumn trail run through ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or Half Marathon course on fully marked paths with a strong focus on sustainability.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

Experience a unique 20 mile looped trail race starting and finishing inside the historic Landguard Fort. Runners will explore nature reserves and river estuaries across the scenic Suffolk peninsula.

The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.