Trail Running calendar near Greater London 2026-2027

We have found 548 Trailruns within 80 miles of Greater London. See below where and when you can find the races.

A scenic trail running event at Hambledon Vineyard offering races from 1 km to 20 km, chip timed with trophies and fundraising for Brain Tumour Research and Hambledon Primary School.

A half marathon and a 5 mile country race around Clipston Recreation Ground on Sunday 20 September 2026, run mainly on bridleways and footpaths with 237 m total ascent. Entries support the Clipston Recreation Field Trust and local facilitie..

A forest trail event in the New Forest with a 3.28 mile looped route, on site facilities and an aid station. Runners choose distances from 5K to ultramarathon and all finishers of a full loop receive a metal medal.

A marathon and half-marathon along the Ouse Valley Way in Huntingdonshire on 20 September 2026, finishing at Earith on mostly flat grass, gravel and tarmac paths. The races are registered with the Trail Running Association and insured under..

Join this flexible timed event along the flat River Thames towpath in Walton on Thames. Complete as many laps as you like over seven hours to achieve distances from 5km to an ultra marathon.

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 five mile autumn trail run on 24 Sep 2026 near Mill Green in Ingatestone. Small capacity event for over 18s with a regular anti clockwise route and compulsory phones and headtorches.

Looped trail event in the Chilterns based at Henley on 26 September 2026. Offers 50 km, 25 km and 10 km distances with covered rest stops, GPS tracking, medical support and camping at basecamp.

An obstacle-course weekend at Pippingford Park near Nutley with Sprint, Super, Beast, Ultra and kids races set on rolling hills and wet sections. The Ultra includes the British OCR Ultra Championship for eligible British entrants.

A 10 mile trail race at Chilton Manor Farm featuring private trails, about 240 m of ascent and a one mile Yew Tree lined finishing avenue. The event includes marshals, medics, on course water stations and a pop up cafe.

A Backyard Ultra near Welwyn Garden City with runners repeating a 4.167 mile loop each hour until one runner finishes alone. The event runs across day and night with pub facilities, spectator access and on site marquee space.

A timed multi lap event on 26 September 2026 in Walton on Thames combining a flat 5.3 km out and back riverside course with a cake themed aid station, multiple distance options and a seven hour time limit.

Three community races at Harcourt Hill on 26 Sep 2026 from a 10k off road course to a 1k fun run, organised by the 4th Oxford Scout Group with medals, prizes and water stations for participants.

Experience an autumn run through scenic pumpkin fields and farm tracks in Colchester. With 10k, 5k, and 1k distances, this flat off road event features chip timing and a family friendly event village.

Trail races at Salisbury Racecourse offer marathon, half marathon and 10 km over undulating downland with woodland and Martin Down turf. GPX routes are provided and finishers receive a medal; top three men and women earn trophies.

A community charity event on Sunday 27 September 2026 near Grantchester offering chip-timed 10k and 3k courses through farmland, medals for all finishers, trophies, and fundraising for Maggie’s and Addenbrooke’s Charitable Trust.

A 10 mile trail race at Eridge Park on 27 September 2026 with steep climbs, single track woodland, mud and water crossings on a marked, traffic free route. Finishers receive a memento plus cake and a free pint and trophies are awarded.

A community running event in Manuden on 27 September 2026 with 10k, 5k and 1k races, on-road starts then off-road bridleways, water stations and medals for finishers. Funds raised support Sands, St Clare Hospice and village organisations.

A functional fitness race on 27 September 2026 in London featuring ten Xercises and repeated runs, with Solo, Doubles and Relay formats, standard and LITE weight divisions, and published entry fees for each format.

Amport Trail Run on 27 September 2026 offers multi terrain 5k, 10k, 10 mile and canicross routes from Amport Cricket Club. Entry is pre-registration only and the courses feature marshals, first aid and on-course refreshments.

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