Trail Running Calendar United Kingdom 2025-2026

Welcome to the most comprehensive guide to trail races in the UK for 2025-2026! Our curated list features an impressive 1361 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.

The Nottingham Running Festival Presented by Gateley takes place on August 3, 2025, at Nottingham Racecourse and Colwick Country Park, UK. The event offers multiple race distances including 5K, 10K, half marathon, and a junior race, catering to a wide range of runners. The scenic course features wid..

Sussex Loops is a challenging outdoor event held at Forest Row Village Hall in East Sussex, featuring distances of 12, 18, 25, or 31 miles with up to 3,250 feet of ascent. The course consists of three loops exploring the scenic Ashdown Forest and surrounding countryside: the South Loop (12 miles), W..

The Totnes 10K is a scenic running event held at Totnes Leisure Centre and Borough Park in the UK. The race is nearly all off-road, following the beautiful River Dart, offering runners a picturesque and natural course. It starts and finishes on Borough Park, with the Leisure Centre serving as the ra..

The Templeton Trail Race is a fun, approximately 5.5 to 6-mile trail running event held in Templeton Woods near Dundee. Designed as an accessible introduction to trail racing, the course features mostly well-defined park paths with some trail sections and short climbs, making it suitable for runners..

Chip Chase is a fell running race held in the Peak District near Uppermill, Saddleworth, offering scenic views overlooking Manchester. The event features a 6.2-mile (10 km) course with 1,312 feet (400 meters) of ascent, making it an excellent introduction to fell running. The route is fully flagged..

The Vanguard Way Marathon is a scenic running event held near Croydon, starting from East Croydon Station, just 20 minutes from central London. It offers both a full marathon (26.2 miles) and a half marathon (13.1 miles), following part of the Vanguard Way National Trail, a 66-mile route stretching..

The Birmingham Canal Canter is a scenic running and walking event held in Birmingham, starting and finishing at Moseley Rugby Club. Participants can choose from three circular routes: the Mini Canter (18.5 miles), the Canter (25.8 miles), and the Canter Marathon (26.2 miles). The course explores Bir..

The Round Hill Fell Race, organized by Otley Athletic Club, is an 8.7-mile challenging fell running event held near Timble village. The course features approximately 1,100 feet of ascent, taking runners across Blubberhouses Moor, including a visit to Round Hill and traversing several boggy areas, wh..

The Haytor Dartmoor Summer Series Maprun is an orienteering event held on the open moorland of Dartmoor, featuring a generally runnable terrain with pits, rocks, and outcrops. It is the second race in a series of five summer MapRun events designed for experienced orienteers. Participants navigate co..

The K12 Ultra Marathon is a 12-hour endurance running event held at Dean Castle Country Park in Kilmarnock on August 3, 2025. Participants run laps of an approximately 4km mixed-terrain circular route featuring hill sections, aiming to cover the greatest distance within the time limit. The event off..

The Harting Multi-Terrain '10' is a challenging 10-mile race held at the War Memorial Sports Ground in South Harting, West Sussex, within the scenic South Downs National Park. Organized by Liss Runners volunteers, the course features a mix of private lanes, gravel tracks, bridleways, and footpaths,..

The Guided Lairig Ghru Crossing is a 32km trail running event through the remote and historic high mountain pass of Lairig Ghru in the Cairngorms, Scotland. Starting from the Linn of Dee, participants run northward along a route featuring approximately 600 meters of ascent. The course includes well-..

The Garendon Gallop 10K is a well-organized trail running event held at Charnwood College in Loughborough, Leicestershire. The race features a challenging 10K course with undulating terrain, passing historical landmarks and offering a scenic experience. The event is chip-timed and fully marshalled,..

The South Shields 10 Mile is a popular running event held along the scenic coastline of South Shields, starting at the Souter Lighthouse National Trust site. The course offers beautiful views of landmarks such as Marsden Rock, Frenchman's Bay, and Sandhaven Beach, with the chance to spot dolphins. K..

The Guided 10K Pub Run will take place in New Alresford on Sunday 3 August 2025. You can run 10 kilometers.

The Crow Hill Reverse Fell Race is a fast, mid-summer out-and-back fell running event held in Mytholmroyd, Calder Valley. Covering approximately 5 miles with around 305 meters of ascent, the course features sharp climbs onto the moors and a runnable stretch to Crow Hill, including a scenic diversion..

The St Ives Bay 10K is a challenging off-road running event held in Hayle, Cornwall, featuring a 10-kilometer course that combines beach, dunes, and trail running. The race starts on the beach near Hayle Surf Lifesaving Club and heads towards the Lighthouse, then follows steps and paths to Gwithian..

The Haselbury Trailrace is a scenic cross-country running event held at North Perrott Cricket Club in Somerset. Established in 1989, the race features a 10K course consisting of two laps, with a shorter 6K fun run option available. The event offers a friendly atmosphere with excellent facilities inc..

The The Hilly Helmet Challenge will take place in Westbury on Wednesday 6 August 2025.

The Ivybridge 3 Tops is a challenging fell running event held in Dartmoor, organized by Erme Valley Harriers as part of the Dartmoor Fell Series. The race covers approximately 10 kilometers with 450 meters of climbing, offering stunning views over the South Hams. The course features a brisk start up..