Trail Running Calendar United Kingdom 2025-2026

The DalesRunner 40 is a challenging running event set to take place in Semerwater, North Yorkshire, on September 13, 2025. As the final and longest race in the series, it covers approximately 42 km (26.2 miles) with over 3,000 feet of ascent. The course features a mix of hard-packed trails, road sec..

TrailFest - Cannock Chase Forest is a multi-distance running event set in the scenic Cannock Chase Forest, offering participants a choice of 10K, half marathon, marathon, and 50K distances. Designed for all abilities, from seasoned ultra runners to beginners, the event promotes a fun and supportive ..

Ultra X England is a multi-day ultramarathon event held annually in the stunning Peak District National Park, starting from the charming village of Edale. Participants can choose from four race distances: 110km (over two days), 60km, 50km, and 25km. The event showcases the area's breathtaking landsc..

The Lap - Windermere Ultra Anticlockwise is a scenic 47-mile trail ultra event set around Lake Windermere, taking place in September 2025. This fully way-marked course is designed for both runners and walkers, featuring generous cut-off times, making it an excellent introduction to ultra-distance ra..

The Brighton 50/50 event, organized by RunThrough UK, features a series of trail races including 50 miles, 50k, and 23k, taking place on September 13, 2025. Starting and finishing at Brighton Beach, participants will experience scenic routes through the South Downs, offering breathtaking coastal and..

The Suffolk Coastal Path 50K is an ultra marathon trail run that takes participants along the picturesque Suffolk coast, starting from Lowestoft and finishing in Aldeburgh. Scheduled for September 13, 2025, this point-to-point race covers a distance of 50 kilometers, featuring a mix of paved paths, ..

The C2C Essex Ultra is an ultramarathon event taking place in September 2025, offering participants the choice of running or walking either 30 or 50 miles along the scenic Essex Riviera. Organized by c2c, the event aims to raise funds for the children's cancer charity Gold Geese, which provides esse..

The Semerwater Stomp is an exciting trail running event set in the picturesque Raydale, North Yorkshire, taking place on September 13, 2025. This 10-mile race offers stunning views of Semerwater and features a well-marked course that includes a mix of hard-packed footpaths, a short road section, and..

The Thames Path Ultra Challenge is a premier endurance event taking place on September 13-14, 2025, along the scenic Thames Tow Path from Putney Bridge to Henley. Participants can choose from various distances, including 100 km, 75 km, 50 km, and 25 km, as well as a Henley 10K. The event attracts ov..

The Dartmoor Volcano Race is a challenging 10.5-mile trail race set in the scenic Dartmoor National Park, taking place on September 13, 2025. This event features a high-level route that includes rocky and boggy terrain, with a total ascent of nearly 650 meters, reaching the highest point of southern..

The Thetford Back Yard Ultra is a competitive running event held at High Lodge in Thetford Forest, Suffolk. Participants run 4.167 miles every hour on the hour until only one runner remains who can complete a loop within the one-hour time limit. This late summer edition of the Backyard Ultra feature..

The Sourton Tors Fell Race is a traditional fell running event taking place on September 13, 2025, starting from Sourton Village Hall. The race covers approximately 5.25 kilometers with an ascent of 276 meters to Sourton Tors, featuring a loop back to the starting point. The route is entirely off-ro..

The Isle of Wight Fell Race Series 2025 is a thrilling two-day event taking place on September 13th and 14th, featuring a series of challenging fell races. Hosted by Ryde Harriers, the series includes three races: The St Boniface Fell, The Ventnor Horseshoe, and The Wroxall Round, each varying in di..

The Hellhole 5 Mile Trail Race is an exciting running event organized by Derwentside Athletic Club, taking place on September 14, 2025. This scenic race features a challenging 5-mile course with an elevation gain of 500 feet, traversing tarmac, gravel, and woodland trails, including the picturesque ..

The Bradley Fell Race will take place in Skipton on Sunday 14 September 2025. You can run 5 kilometers.

The Roman River Trails event offers participants the choice of a half marathon or marathon, featuring self-navigation routes through the picturesque Roman River valley near Colchester. The predominantly hard-packed trail includes sections of tarmac and grass, with some hills along the way. The event..

The The Sudbury Trail Run will take place in Sudbury on Sunday 14 September 2025.

The Lyon Equipment Lake District Mountain Trial is an annual fell running event held in mid-September, recognized as a significant challenge in the fell runner's calendar. Participants navigate through difficult mountain terrain, with the Classic route covering approximately 25 miles and 8,000 feet ..

The Derbyshire Dales Trail Run is an exciting running event set against the stunning backdrop of Chatsworth House, the ancestral home of the Devonshire family. Participants can choose from three distances: 43km, 21km, or 15km. The course features picturesque landscapes, including the serene River Wy..

The Rye Ancient Trails 30K & 15K is a captivating trail race set in the picturesque High Weald Area of Outstanding Natural Beauty in East Sussex. Scheduled for 2025, this event features a stunning course that weaves through historic woodland and charming country lanes, starting and finishing in the ..