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 1340 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 Runaway Challenge is a 6-hour timed running event held at Lincoln Road, Skellingthorpe, Lincoln. Participants can choose distances ranging from 5K up to an ultra marathon within the time limit. The course is a 4.37-mile lap along a flat, tarmac path on an old railway line, featuring an out-and-b..

The Dark Downs 50k is an exciting night running event held on the scenic South Downs, featuring both a 50k race and a Half Marathon. Participants will experience the unique atmosphere of running at dusk and into the night, with the rolling hills and runnable trails providing an ideal setting. The ev..

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Rombald's Romp Fell Race, organized by North Leeds Fell Runners, is an 8.1-mile multi-terrain race with 1,214 feet of vertical gain, held near Ilkley, UK. The course features rough rocky tracks, heathery paths, forest sections with slippery roots and wooden bridges, and about a mile of road on the m..

The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

The Cheshire Ring Ultra 100 Mile is a challenging ultramarathon held in Manchester, UK, covering 100 miles with 345 meters of elevation. The course links several canals including the Bridgewater, Macclesfield, and Trent & Mersey Canals, offering a scenic and well-marked route. The event supports up..

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The Town to Tower 10K is an uphill race starting in the market town of Ruthin, North Wales, and finishing at the summit of Moel Famau, the highest point in the Clwydian Hills. This challenging 10-kilometer course ascends to the Jubilee Tower at over 550 meters above sea level, offering stunning view..

The Thieveley Pike Fell Race, organized by Clayton-le-Moors Harriers, is a challenging 4.3-mile (7 km) race with 1,310 feet (400 m) of ascent, held near Burnley, England. The course starts beside the Ram Inn in Cliviger and features a mix of boggy fields, steep climbs, rough moorland, and technical..

The Two Breweries Hill Race is an annual running event held in the scenic Scottish Borders, covering a challenging 30 km (18 miles) route with an ascent of 1500m (4900ft). Starting at Traquair House and finishing at Broughton Ales, the race celebrates local breweries and the spirit of hill running...

The RunThrough Trails Hamsterley Forest event, held in County Durham, offers both a 10K and a Half Marathon through scenic woodland trails. Participants run on gravel and path terrain, with the half marathon consisting of two laps covering 461 meters of elevation, and the 10K a single lap with 220 m..

The Eridge Park 10 Trail Challenge is a celebrated 10-mile trail running event held at Eridge Green, Tunbridge Wells, Kent. Known for its challenging course, the race features steep, narrow climbs, plenty of mud, and stunning scenic views, making it a favorite among off-road runners. The traffic-fre..

Run Sandringham is a popular running event held at the Royal Estate in Sandringham, West Norfolk, featuring a variety of race distances including a Half Marathon, 10K, 5K, Community Mile, and a unique 24-hour solo or team run. The Half Marathon, scheduled for September 28, 2025, offers a scenic cour..

The Stuart Learmouth Undulator Fell Race, organized by Wirksworth Running Club, is a classic 13.7 km (8.5 miles) fell race in the Peak District featuring 457 meters (1500 feet) of ascent. Starting in Stoney Wood near Wirksworth, the challenging course combines steep climbs, rocky sections, trails, l..

The Harbour Wallbanger is an exciting running event scheduled for 2025, starting on the beach at Broadstairs during low tide and extending to Ramsgate, where participants will "bang the Harbour Wall" before returning. This unique coastal route is designed for both beginners and experienced runners,..

The Nettlestone Road and Trail (RAT) Race is an annual running event held at Nettlestone Primary School in Seaview. The 2025 edition offers participants a choice between a 5-mile or 5km route, both featuring off-road sections and scenic runs along the Seaview seafront with views of the Solent. The c..

Race on the Chase is an annual trail running event held at Salisbury Racecourse, just 3 miles from Salisbury city centre. Celebrating its seventh anniversary in 2025, the race offers marathon, half marathon, and 10K distances, all featuring undulating downland terrain along ancient droves, grassy fi..

The Bridgeathon, organized by Preston, Fylde & Wyre Running, is a multi-distance running event held along the flat Lancaster Canal towpath in Bilsborrow, Preston, Lancashire. Participants can choose from 10K, half marathon, marathon, and ultra (32 miles) distances. The marathon route features 43 bri..

The 2025 Grantchester Charity Runs, sponsored by Dartington Wealth Management, take place near Grantchester, Cambridge, featuring 10k and 3k races through scenic, predominantly flat farmland with no road crossings. This volunteer-run event supports Maggie’s Centre Cambridge and Addenbrooke’s Charita..

The Richmond Park Half Marathon is a scenic trail run covering a half marathon distance entirely within Richmond Park. The event begins at Sheen Gate, where participants will navigate through picturesque routes, including views of lakes and wildlife. Runners will traverse various park gates, includi..

Wild Run Cotswolds is a trail running event held at the picturesque Cornbury Park in Oxfordshire, within the wild, secluded forests of Wychwood. The race features a scenic 10K loop on private, well-maintained trails with undulating terrain, offering a mix of smooth and rugged paths surrounded by abu..

The Black Nore 10km, organized by Portishead Running Club, is a scenic mixed-terrain race held in Portishead, UK. Starting at the Portishead Lake Grounds, the course follows the coastal path along the Bristol Channel, offering stunning views towards Wales and passing landmarks like Black Nore Lighth..