Trail Running Calendar United Kingdom 2026-2027
Explore the best trail runs in United Kingdom for 2026-2027! Our updated list features 2372 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
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 at The Forest Centre in Marston Moretaine raising funds for Mind BLMK, with a children s Dasher Dash and festive extras.
A 26.3 mile five lap trail and road event around Colworth Estate in North Bedfordshire for solo runners and five person teams.
Scenic 8.5 km loop around Northiam with over 70% off road trail, limited to 60 entrants, prizes for first male and female and tea and cake after at the village hall.
A festive community run in the South Downs National Park 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.
December 2026
A trail half marathon through the woodlands around Hughenden Manor with undulating forest paths, three aid stations and fully marked navigation.
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 on 4 December 2026, with shoe testing 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 at Carsington Water on 5 December 2026 with marked routes, chip timing and a themed finisher medal.
A new winter ultramarathon on 5 December 2026 covering about 80 miles across Essex, Suffolk and Norfolk, with checkpoints, mandatory safety kit and live tracking that includes an SOS function.
Coastal 10 mile and 10K runs from Hengistbury Head along Bournemouth seafront with chip timing, water stations and a finisher medal.