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 1320 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.

Bruce's Crown Race is a challenging 46-mile team event held in Caldons, near Glentrool in Galloway, Scotland. Teams of 2 to 4 participants traverse three hill ranges—the Minnigaff Hills, Rhinns of Kells, and the Awful Hand—climbing over 4000 meters. The course offers stunning 360-degree views, inclu..

The River Ayr Way Ultra Marathon is a 40-mile race held in Ayrshire, Scotland, showcasing some of the region's stunning scenery. Starting at Glenbuck Loch near Muirkirk and finishing at Riverside Stadium in Ayr, the course is mostly off-road with rural paths, some quiet road sections, and a tarmac f..

The Turpin Challenge 2025 is a popular 6-hour running event held at York's Knavesmire, featuring laps of approximately 4.37 miles on a mixed terrain course of grass and path, closed to traffic. Participants can run as many laps as they wish within the time limit, from a single lap to marathon distan..

The Sutton Bank Sizzler is a challenging 7-mile circular night race held at the Sutton Bank Visitor Centre near Thirsk, Yorkshire. Featuring an ascent of 344 meters (1,128 feet), the race tests runners on exposed trails under dark conditions, with the course marked by glow sticks and marshals for na..

Leeds Country Way In A Day is a challenging 105-kilometre ultra trail race circling the city of Leeds via local footpaths, bridleways, and minor lanes. The route, mostly rural despite its proximity to the city center, offers scenic views of West and North Yorkshire countryside and passes through tow..

The Isle of Wight Fell Race Series 2025 is a challenging fell running championship held over two days in September on the Isle of Wight, based at St Catherine’s School in Ventnor. The series features three races of varying distances and ascents: the 3.8km St Boniface Fell, the 12km Ventnor Horseshoe..

The Tour des Marches Challenge Walk is a popular walking event held at Wistanstow Village Hall in Shropshire, England. Participants can choose from three distances: 12, 18, or 26 miles. The scenic, undulating route passes through the Shropshire Hills Area of Outstanding Natural Beauty, heading west..

The Dare Valley Hateful 8 (Bwlfa Rise) is an endurance running event held at Dare Valley Country Park in Aberdare, South Wales. Participants tackle a challenging 4.8-mile loop featuring technical climbs, mountain views, and fast descents. The event lasts 8 hours, during which runners aim to complete..

The Rasselbock Backyard Ultra at Hardwick Hall in Derbyshire is a unique endurance running event set on the scenic grounds and farmlands of the historic Hardwick Hall Estate. Participants run a 4.16-mile loop every hour, starting each lap on the hour, continuing until only one runner remains. The co..

Bewl Water Autumn is a scenic bi-annual running event held near the Bewl Water Visitor Centre in Lamberhurst, Kent. The race features four distances: 10km, half marathon (13.1 miles), marathon (26.5 miles), and an ultra 50km (31.25 miles). The courses combine undulating rural wooded trails and quiet..

The Great Westmorland Trail Race is a scenic running event held in the picturesque village of Crosby Garrett, near Kirkby Stephen, Cumbria. Participants can enjoy a marked 13km route that traverses rolling fell land, offering stunning views of the Eden and Lune Valleys. The event includes junior rac..

The DalesRunner 40 is a challenging 42km trail race held in Semerwater, Raydale, North Yorkshire, serving as the final and longest event in the DalesRunner series. The course features over 3,000ft of ascent, including a steady 12km climb, and traverses a mix of hard-packed trails, Roman roads, grass..

The Edale Mountain Rescue Team hosts the Nine Edges Event, a challenging 20-mile off-road route in the Peak District National Park. The course features approximately 900 meters of ascent, traversing high moorland and gritstone edges from Fairholmes to the Robin Hood Pub near Birchen Edge. Participan..

The Cronkley Fell Race, organized by Durham Fell Runners, is a challenging 17.1 km (10.5 miles) fell running event held in Upper Teesdale, County Durham. The out-and-back course features over 560 meters (1,800 feet) of ascent, starting and finishing in the quiet hamlet of Holwick near the Farmhouse..

The Semerwater Stomp is a 10.2-mile (16.4 km) trail running event held in Raydale, North Yorkshire, near Semerwater. It serves as the exciting finale to the short course trail series organized by DalesRunner. The fully marked course features hard-packed footpaths, a short road section, grassy trods,..

The Barney to Beach event is an 8-mile run or walk held in North Devon, starting at Barnstaple Pannier Market and finishing at Crow Point beach. The course features mostly flat terrain along the scenic Tarka Trail, offering participants stunning views of the North Devon coastline. A children’s fun r..

The Sandridge 10k is a scenic trail running event set in the picturesque village of Sandridge, near St Albans. Participants can enjoy a beautiful 10k course that showcases the natural beauty of the area. The event is organized by Active Training World, and it promises a rewarding experience for both..

The Burton Pidsea 10K Trail Run is a scenic trail running event held in Burton Pidsea, East Yorkshire, starting from the Burton Pidsea Memorial Hall. The main race covers a 10-kilometer course along local bridleways and tracks, offering runners a chance to experience the area's natural beauty. A 5K..

The Last Duel Trail Race, organized by Fife Athletic Club and Kirkcaldy Wizards, takes place in Cardenden Woods, Scotland, on September 14, 2025. This challenging off-road trail run covers approximately 5.7 miles, starting and finishing near Cardenden Primary School. The course features varied terra..

The Darkwood Demon is a 6-mile trail race held in the scenic Colne Valley, Huddersfield, West Yorkshire. Organized by Slaithwaite Striders, the course features diverse terrain including towpaths, bridleways, moorland, bogs, woodland, and some road sections, with a challenging climb up Slaithwaite Mo..