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 1482 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 Latterbarrow Loop is a fell race organized by the Cumberland Fell Runners, designed for both junior and senior participants aged U15 and above. This event features a scenic 3-mile route with an elevation gain of 820 feet, making it an exciting mid-week challenge for runners. Scheduled for May 21..

The Wild Horse 200 - South Wales 200 will take place in Chepstow from Wednesday 21 May 2025 to Monday 26 May 2025. You can run 200 miles.

The Newmillerdam Quacky Trail Race 5K is an evening trail running event held at Newmillerdam Country Park in Wakefield. The race features a single 5-kilometre loop through scenic woodland trails, including the Arboretum, lakeside paths, and hilly terrain. The course is undulating and challenging, su..

The Kildwick Fell Race is a popular Yorkshire mid-week event organized by Keighley and Craven Athletics Club. It features a challenging 3.7-mile course with 804 feet of elevation, taking place around the moor near Kildwick. The race is open to participants aged 16 and above, with both senior and jun..

The Town Tree Trail 10K Race is an exciting off-road running event scheduled for May 21, 2025, in Kingsbury Episcopi, Somerset. Participants will navigate a scenic course through fields, orchards, and the picturesque Town Tree Nature Garden, featuring a mix of paths and natural terrain. All finisher..

TTTS 1 - Eggringe Wood is the first of five events in The Triangular Trail Series, held near Sole Street, Crundale. This 60-minute evening trail event features a score course suitable for all abilities, combining running and walking on public footpaths and minor country roads. Participants navigate..

The Meanwood Spring Hustle is a 10.5-kilometre trail running event held in Meanwood, Leeds, featuring an undulating course through scenic locations such as Meanwood Park, The Hollies, and the Meanwood Valley Trail. Runners experience a mix of challenging uphills and rewarding downhills on narrow, te..

The Millstone is an 8km running event featuring a challenging 500m climb along forest paths in Donard Forest Park. It is the seventh race in the 2025 Hills and Dales series, organized by Newcastle AC. The race offers a scenic and demanding course suitable for runners aged 16 and older. The event fos..

EpicTrails 8km - Hunting out more trails is a guided social run starting from Milngavie Train Station, exploring local trails including the Clyde Coastal Path and West Highland Way. The event emphasizes a friendly, inclusive atmosphere where no runner is left behind, with regrouping points along the..

The Saturn 7 Hour Time Challenge in Durham is a flexible running event held at the Durham Amateur Rowing Club along the scenic River Wear, offering views of Durham Cathedral. Participants can run as many laps as they wish within a 7-hour limit, with each lap measuring approximately 4.37 miles (7 km)..

The Grim Reaper Ultra Marathon is a multi-distance trail running event held at the scenic Grimsthorpe Castle Estate in South Lincolnshire, UK. Scheduled for May 24-25, 2025, it offers solo race options of 10, 40, 70, and 100 miles, plus 40- and 100-mile team relays. The course features a fully marke..

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The Hutton Roof Crags Fell Race is a traditional fell running event held near Hutton Roof Crags and Farleton Knott. Covering 7 miles (11.2 km) with 400 meters of ascent, the race demands navigation skills as only the start and finish are marked, and runners must pass three mandatory checkpoints. GPS..

The Isle of Jura Fell Race is a challenging and prestigious event in British hill racing, featuring a demanding 28km course that includes seven summits and a total elevation gain of 2,370 meters. Known for its rugged terrain, the race requires participants to possess significant hillcraft and endura..

The Montane Trail 10 & 20 Ullswater Way is a scenic trail running event held in Glenridding, Cumbria, starting and finishing at Jenkins Field. The event offers three distances: a 33.5-mile Ultra that follows the full Ullswater Way route including the Lowther and Dalemain loops, a 21.5-mile Trail 20..

The UK Ultra South Downs event features five distinct races set in the picturesque South Downs National Park in South East England. Designed for runners and walkers of all abilities, the courses are point-to-point, showcasing stunning views along non-technical trails. Participants will experience a..

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Farmmageddon is an exciting 100-mile running event organized by Zig Zag Running, taking place over two days at Hyde Hall Farm. Participants will tackle a 5.3k loop course, with a total time limit of 32 hours to complete their chosen distance. The event caters to all abilities, offering various dista..

The Across the Cynllaith Hillwalk is a scenic walking and running event held in Trefonen, near the Shropshire-Mid Wales border. Participants can choose between two routes: a 10-mile circular walk and a more challenging 16-mile figure-of-eight route, both starting and finishing at Trefonen Village Ha..

The Montane Ullswater Way Trail Ultra is a scenic trail running event held in Glenridding, Cumbria, Great Britain. It offers three distances: a 33.5-mile Ultra, a 21.5-mile Trail 20, and a 10-mile Trail 10. The Ultra route follows the Ullswater Way, including the Lowther and Dalemain loops, while th..

The Endurancelife Classic Quarter is a challenging 44-mile ultra marathon held annually along the stunning south Cornish coast in the UK, running from Lizard Point to Land's End via the South West Coast Path. Established in 2007, this event features severe terrain including rock, mud, and trail, wit..

The Langstone Fell Race is a scenic and challenging fell running event held in the Dartmoor village of Peter Tavy, Devon. Covering just under 10 kilometers with 387 meters of ascent, the course features varied terrain including steep lanes, moorland, rocky ascents like Cox Tor, and fast descents pas..