Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2130 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

A community organised 10 km race at Imberhorne School on 4 October 2026 that uses bridleways and residential roads, is fully marshalled and raises funds for local charities.

Half marathon and 10 km races at RAF Greenham Common in Thatcham, Berkshire. The traffic free, flat course has water stations, free parking and a children's race paid on the day for £5; proceeds support New Life Special Care Babies.

An off road marathon from Salisbury to Winchester on 4 October 2026, run mostly on historic country tracks. The event offers full, half and a five mile mini, includes buses and finisher items, and raises funds for local charities.

Castle Carr is a 24 km fell race in the South/West Pennines near Hebden Bridge on 4 October 2026, with about 1200 m of ascent and official FRA permit and insurance.

Mud Madness at Chatelherault Country Park on 4 October 2026 offers a 1 km kids course and a 5 km family mud run with obstacles, water hazards and staggered waves, plus on-site parking, registration t-shirts and finishers' medals.

A five day series across the Isles of Scilly offering marathons, half marathons and island loops on five islands. Participants can complete the full series or enter single days, with marked loops and island support facilities.

Trail event at Dodd Wood on 4 October 2026 with fully marked 8K and 5K options, chip timing, and space for dogs on individual starts. Two dogs per runner are allowed on wider sections and all dogs must wear a suitable harness.

A chip timed 10 km trail race through Somerset countryside passing the Stony Littleton Long Barrow, with full medical cover, Race Nation app integration, secure baggage drop, showers, free parking and a bespoke finisher medal.

A scenic two lap 10km trail run around Dalemain Mansion in Penrith plus 3.3km and 2.3km children's fun runs, with on-site medical cover, free parking and refreshments. Proceeds support Jigsaw Children's Hospice and other Penrith Rotary Club..

A seaside 12 km race in Studland Bay, Dorset, starting and finishing at the National Trust visitors centre. Prizes for the top three men and women and a race memento for all participants.

Off-road runners and walkers follow a route of approximately 10 miles through Charnwood countryside on 4 October 2026, with a 1 mile junior fun run. Entry fees vary by date and the event provides water, refreshments, bag storage and first a..

A rucking and trail running event in Bristol on 04th October 2026 offering 6k and 10k routes, Pro and Open categories for ruck and trail, GORUCK Rucker 4.0 provided for ruck entrants, and on-course amenities including water stations and eve..

An evening head-torch trail around Swinsty and Fewston Reservoirs with half marathon, 10 km and 5 km options. The event limits entries to 150, has a minimum age of 16, and includes water stations and a finisher medal.

The Darlington Trail Night Run will take place in Darlington on Wednesday 7 October 2026.

The Phoenix Running - Slough will take place in Slough on Thursday 8 October 2026. You can run 5 miles.

A six hour multi-lap off road event at Sence Valley Forest Park where participants complete 3.3 mile laps at their own pace, with canicross allowed and options for a medal or tree token.

A 10k evening trail race set entirely within the Kiplin Hall estate, with a marked course through formal gardens, woodland, grassland and lakeside paths. Finishers receive a hot drink and cake and there are trophies for top finishers.

A trail event at Cuerden Valley Park on Friday 9 October 2026 where runners complete repeated 5k laps within a six hour limit. Finishers receive an official time and a bespoke medal.

A lap based Friday timed run on the Thames towpath offering distances from a single 3.28 mile lap up to ultra distances, with the ten pound charity entry supporting Rays of Sunshine and a special double sided medal.

A fell race at Wasdale Head on 10 October 2026 that climbs to Kirk Fell over 2.4 miles with about 700 m ascent. Age groups run from Under 12 to Seniors and specific waterproof kit is compulsory.

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