Trail Running Calendar United Kingdom 2026-2027

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 runs at Dodd Wood offering 8K and 5K marked, chip timed courses where dogs run on a harness and most sections allow two dogs per runner.

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.

Scenic two lap 10 km trail at Dalemain Mansion with 3.3 km and 2.3 km children's fun runs, raising funds for Jigsaw Children's Hospice and local causes.

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.

An off-road runners and walkers event on an approximately 10 mile Charnwood countryside route with water stops, refreshments and separate junior options on 4 October 2026.

Trail event at Ashton Court Estate offering 6 km and 10 km trail or ruck options with GORUCK Rucker 4.0 and competitive or open categories.

Coastal 18 and 26 mile routes start and finish at Walberswick Village Hall, skirting Minsmere and Dunwich with staffed checkpoints, food, a finish meal and finisher certificates included.

A guided 16k trail run at High Lodge in Thetford Forest led at a conversational pace with route guidance, trail running tips and an optional cool down. Terrain is mostly flat with a couple of small hills and parking costs £3.

Trail 10K from Mount Hawke cricket club on coastal footpaths around Chapel Porth and Porthtowan with a loop by Tywarnhayle mine; places limited to 230 runners.

A roughly 10km trail race in the Derwent Valley with a fully marked and marshalled course through woodland, rocky sections and a stream crossing; entrants must be 18 or over.

Headtorch trail around Swinsty and Fewston Reservoirs with half marathon, 10 km and 5 km options, on-course water and finisher medals.

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.