Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2407 exciting trail runs across the country. Find your next trail run in United Kingdom below and join the trail community at these great events! Search for a location or view races near London, Birmingham, Glasgow, Liverpool, Scotland or Wales.
November 2026
A guided 10 km trail run from the Sychnant Pass summit featuring runnable terrain, regular stops and a steady group pace on an upland route.
Lap-based timed running on the Downslink at Southwater with distances from 5 km to ultra, flexible start times and a seven hour limit; all participants receive a finisher medal.
Santa themed 5 km, 10 km and Half Marathon at Stanwick Lakes on 29 November 2026, held on purpose built tracks within a nature reserve.
Community 5 km fun run and children's Dasher Dash at The Forest Centre Marston Moretaine on 29 November 2026 raising funds for Mind BLMK.
A 26.3 mile five lap trail and road event around the Colworth Estate in Bedfordshire for individuals or teams with on-course checkpoints and basic facilities.
An 8.5 km trail loop around Northiam with over 70% off-road running, marshalled course, prizes for top finishers, and tea and cake at Northiam Village Hall; entry limited to 60.
A festive Santa Dash in Northchapel on Sunday 29 November with 5K, 2.5K and a toddler scramble, medals for finishers and funds raised for Northchapel Village School.
A festive 7.5km circular trail race at Thornbridge Estate on 29 November 2026 with Headstone viaduct views, post race refreshments and free entry to the Christmas Markets.
Trail event near Chelmsford on 29 Nov 2026 with two unsigned narrative routes of about 8.6 and 5.5 miles; proceeds support Centre Point Charity.
Watlington XC 10k is a 10 km cross country fell run over the Ridgeway and Chiltern Hills for runners aged 16 and over, with pre-registration required and no entries on the day.
Cluny Castle Running Festival at Cluny Castle offers chip-timed, measured races with medals, hydration stations and support across 5k, 10k and half marathon formats.
A family-friendly muddy fun run in Almondsbury with 5K, 2K and a mini mile, a dog-friendly wave, charity support and on-site activities.
Cour Loop at Nevis Range is a Long race in the LAC Winter League on Sun 29 Nov 2026, requiring full winter kit and with entry fees differing for members and non-members.
December 2026
Night trail running at Cambus O May over 7.5 km with 270 m climb, organised by Deeside Runners; headtorch, map and compass required.
Timed Thames towpath run where participants choose lap distances on a 5.3 km out and back course and entry supports Rays of Sunshine Children's Charity.
A 6.4 km forest race at Llandegla with 229 m climb, compulsory headtorch and safety kit, and entry on the day only for a £5 fee.
Winter endurance on The Wrekin: cover 160 miles and 47,000 ft of ascent in 48 hours; entry requires prior 100 mile experience and places are limited.
A 5K out and back fell race from Kettleshulme to Windgather Rocks with an opportunity to try Kailas trail shoes and refreshments included.
Guided trail run at Box Hill covering 12.5 miles with about 1000 m of ascent across woodland and technical climbs, led at a steady group pace by an experienced guide.
Trail half marathon and 10k around Carsington Water with marked routes, marshals, water stations and a themed finisher medal.