Trail Running Calendar United Kingdom 2026-2027

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 offering marked 8K and 5K loop options with significant ascent. Individual starts accommodate runners with dogs, and the event is chip timed with GPX files available.

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.

An off-road running and walking event around the Charnwood countryside based at Nanpantan Scout Group HQ in Loughborough. Main route is about 10 miles; a 1 mile junior fun run is available with a small on-the-day entry fee.

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..

A head-torch trail event around Swinsty and Fewston Reservoirs offering half marathon, 10 km and 5 km options with on-course water, a medal for finishers, and a maximum field of 150 entrants.

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

Ras yr Aran is a 10 mile fell race with 3100 feet of ascent plus a junior 3.25 km race for ages 11 and over. The lower route is marked but the upper fells are unmarked and require navigation and mountain awareness.

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.

A 57 miles ultramarathon from Glasgow to Edinburgh along canals and towpaths, with GPS tracking, mandatory kit requirements and a 16 hour cut off. The event has 750 places and is scheduled for October 2026 and October 2027.

Looped trail event near Maidstone offering 50 km, 25 km and 10 km options. The route follows the North Downs Way and River Medway and includes covered rest stops, GPS tracking and camping at basecamp.

A 70 km circular mixed terrain ultra in and around historic Stirling, offered as solo entries or team relays of three or six, with aid stations, GPS live tracking and an overall 14 hour cut off.

A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.