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 1301 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 Great Glen Ultra Marathon is a challenging 72-mile race set in the breathtaking landscapes of Scotland, running from Fort William to Inverness along the historic Great Glen Way. Participants must complete the course within 22 hours, navigating a mix of canal towpaths, forestry paths, and roads. ..

The Great Glen Ultra Marathon 42 is a challenging 42-mile foot race that takes place along the scenic Great Glen Way, stretching from Fort Augustus to Inverness. Participants will experience breathtaking views of Loch Ness and the surrounding landscapes. The event is designed for solo runners and is..

The Serpent Trail is a scenic trail running event set in the stunning South Downs National Park, featuring a variety of distances including 100km, 75km, 50km, 20km, and 10km. Participants can enjoy breathtaking landscapes, including rare habitats and ancient woodlands. The event includes coach trans..

UTMB Index

The Hardwolds 40 is a challenging running event that takes place over a scenic 44-mile route from Beverley to Malton, following the Hudson Way and the Wolds Way. Participants will traverse beautiful chalk landscapes, market towns, and ancient villages, including Londesborough and Wharram Percy. Comp..

The ATW Odyssey 12 is an exciting running event that takes place in St Neots, offering participants a unique journey of self-discovery through scenic multi-terrain paths. This event encourages both physical and psychological challenges, allowing individuals to compete solo, in pairs, or as teams of ..

The Turd is a unique running event held in the scenic valley of Ironbridge, Shropshire. Participants can choose from three distances: 7 miles, 14 miles, or a full marathon. The marathon consists of three laps, while the half marathon includes two laps.The course features a mix of tracks, paths, and ..

The DalesRunner 30 is a challenging 30km race set to take place on July 5, 2025, in Muker, Yorkshire. The course ascends nearly 3,000 feet, leading participants from Swaledale to the Tan Hill Inn, the highest pub in Great Britain. Runners will traverse the Coast to Coast path and the Pennine Way, ex..

Swinner Swagger is a running event scheduled for July 5, 2025, in Muker, featuring a 15.5 km (approximately 9.6 miles) course that showcases the scenic beauty of the Yorkshire Dales. Participants will tackle the second half of the iconic DR30 route, which includes a loop through Hartlakes, a climb u..

The Dollar Hill Race is a challenging 15km race organized by the Ochil Hill Runners, taking place in the scenic Dollar Glen. Participants navigate a rugged course that includes significant elevation changes, with checkpoints at various summits such as Saddle Hill and Andrew Gannel. The event emphasi..

Beat the Bounds is a traditional event in the Ullswater Valley, celebrating its 45th year in 2025. Participants can join locals to navigate the Patterdale Parish Boundary, with options including a full 28-mile route featuring significant ascents and stunning views, a half boundary event, and a famil..

The Bishop's Stortford Mitre 10k, 5k, and 1K is a community-focused running event organized by The Bishop's Stortford High School, taking place on July 6, 2025. The event features professionally measured 10k and 5k routes through scenic East Hertfordshire villages, designed for runners of all ages a..

The Chiltern Ridge Half Marathon is a challenging trail running event set along The Ridgeway National Trail in Buckinghamshire. Scheduled for July 6, 2025, this race covers a distance of 21.2 km with an elevation gain of 526 meters, starting and finishing in Wendover. Participants will navigate a sc..

UTMB Index

The Bewl 15 Mile & 5 Mile event, organized by Wadhurst Runners, takes place around the scenic Bewl Water in Sussex. Participants can choose between a challenging 15-mile or a 5-mile race, both designed to showcase the area's stunning landscapes. The event not only promotes community spirit but also ..

The Cannock Chase Forest HM & 10k is a popular running event organized by Nice Work, taking place in the scenic Cannock Chase Forest. This race offers participants the chance to enjoy a challenging course amidst beautiful woodland, with options for both a half marathon and a 10k. The event is design..

Fen Gallop 2025 is a running event taking place in Willingham, Cambridgeshire, featuring a 10km race and a shorter 4-mile option along scenic flat country roads, footpaths, and bridleways. The event also includes a kids' run organized by the Willingham School Association. Registration opens early in..

The Blacksheep 3 and 6 Hour Challenge is a scenic trail running event held in the picturesque town of Masham. Participants can choose to run laps of 3.55 miles for either three or six hours, with water and feed stations available every lap. The course is well-marked and supported by marshals, ensuri..

The Highwayman Trail Marathon is a unique narrative trail race set for July 6, 2025, in the picturesque villages of Thaxted, Great Sampford, and Hempstead, linked to the early life of Dick Turpin. The course is predominantly off-road, covering diverse terrains, and participants will navigate using w..

The Great Hucklow Fell Race is a challenging 10km (6 miles) race set in the picturesque terrain between Dark Peak and White Peak. Organized by the local community of Great Hucklow, the event features a varied route that includes significant climbs and descents, making it a unique experience for part..

The Tittesworth Water event features three exciting trail running routes of 10K, 22K, and 50K, set against the stunning backdrop of Tittesworth Reservoir and the southern Peak District. Participants will experience challenging terrain, including steep climbs and scenic descents, with the 10K route r..

ITRA Points

The Lundy Island Race is a unique trail running event set on Lundy Island, featuring a challenging 13.5-mile course that showcases the island's stunning landscapes and wildlife. Participants will traverse various terrains, including coastal trails and clifftops, while enjoying the natural beauty of ..