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 1402 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 Montane Summer Spine will take place in Edale from Saturday 14 June 2025 to Monday 16 June 2025. You can run between 46 and 263 miles.

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The Salisbury Plain Summer Edition is an exciting running event set in the stunning landscapes of Wiltshire, within the largest military training area in the UK. Participants can choose from various distances, including a 50km ultra, marathon, and half marathon. The event promises well-stocked aid s..

The Maverick Original Dorset 2025 is a trail running event held at Wilkswood Farm near Swanage, Dorset, UK. It offers three route options: a 23 km long route with 535 m elevation gain, a 14 km middle route with 318 m elevation, and a 7 km short route with 161 m elevation. The course features technic..

The Wincle Trout will take place in Macclesfield on Saturday 14 June 2025. You can run 6 miles.

The Black Mountains 50 is an ultramarathon event held in the scenic Black Mountains within the Brecon Beacons National Park, starting and finishing at Longtown Hall, Herefordshire. Scheduled for June 14, 2025, it offers multiple distances: 50 miles (80 km), 32 miles (50 km), a marathon (27 miles/43...

The Swaledale Marathon is an annual event organized by the Swaledale Outdoor Club, featuring a challenging 24-mile fell run and walk through the stunning landscapes of Swaledale. Participants must navigate the course independently and complete it within a 10-hour timeframe. The event, which has been..

The Glen Rosa Horseshoe is a challenging Category AL Scottish hill race held on the Isle of Arran, starting from Brodick Castle Rangers Centre. Covering 20km with a total ascent of 1670m, the race features a clockwise loop over four summits in Glen Rosa, mostly unmarked and running over heather and..

The True Grit Trail Half Marathon, organized by Mad Running Junkies, is a challenging 13.1-mile trail race held at the Bridgend Miniature Railway Centre in Bridgend, UK. The course features mixed terrain including tough hills, a quarry section known as "The Hill of Doom," technical downhill forestry..

The Buckland Bounder is an annual scenic multi-terrain running event held in Buckland Monachorum, featuring a course of just over 6 miles, primarily off-road. Scheduled for June 14, 2025, this event coincides with the village's summer fair and encourages participants to pre-register to ensure they r..

Offa's Dyke 15 is a celebrated off-road running event held in Hay-on-Wye, Hereford, UK. Originally popular from 1977 to 2001, the race was relaunched in 2015 with the help of the original Race Director. The event features a challenging 15-mile course along the scenic Offa's Dyke path, attracting run..

The Norfolk Festival of Running is an inaugural timed running event held at the scenic Bawsey Country Park in Norfolk. Participants run laps of a 5.3 km course featuring gravel footpaths and grassy areas, designed to accommodate all levels from first-time 5k runners to ultra-marathoners. The event o..

The Yomp Mountain Challenge is a multi-day running event held in the Upper Eden Valley around Kirkby Stephen and Mallerstang in East Cumbria, UK. Celebrating its 40th year in 2025, the event offers six races over three days, catering to all ages and abilities. Highlights include the ThruDark 65k Ult..

The Centurion South Downs Way 100 is a challenging 100-mile non-stop ultramarathon held annually in Southern England, following the entire South Downs Way National Trail from Winchester to Eastbourne. The course features stunning rolling hills, ancient forts, picturesque villages, and expansive view..

The Silverbacktrails Lamplighter 30 is a challenging trail running event held in the North York Moors, featuring a dusk-to-dawn format. Covering approximately 31.7 miles, the course presents tough conditions with wet, boggy terrain and ankle-deep mud, interspersed with firmer tracks that allow runne..

The Branscombe Social Run and BBQ will take place in Branscombe on Saturday 14 June 2025.

The Saltire Trail Races take place at Kilduff Farm in Athelstaneford, East Lothian, the birthplace of Scotland's National Flag. Scheduled for June 14, 2025, the event offers three race distances: a 10km, 5km, and a 2km fun run for children. All routes are set on a private estate featuring a mix of t..

Race The Tide, organized by OuterEdge Events, is a challenging trail running event set in the scenic Flete Estate, Mothecombe, South Devon. Scheduled for June 14, 2025, it offers three race distances: a 28.5-mile Long Marathon, a 15.5-mile Long Half-Marathon, and an 8.5-mile Watery Woodland Trail. T..

The Three Lakes Classic is a 14.5-mile running event held at Rother Valley Country Park. The course is approximately 90% off-road, featuring a marked and marshaled route that offers a scenic and challenging experience for runners. Organized by the Killamarsh Kestrels Running Club, the race follows U..

Buttermere Sailbeck is a challenging fell race held in Buttermere Village, featuring a demanding course of just over 9 miles with more than 4000 feet of climbing. The route ascends Knott Rigg, traverses the ridgeline of Ard Crags, and descends into Rigg Beck before a tough climb to Causey Pike. Runn..

The Traprain Law Hill Race, organized by Carnethy Hill Running Club, is a 10.3 km (6.5 miles) multi-terrain event held in East Linton, Scotland, as part of the East Linton Gala. The course features paths, farm tracks, grass, and a river crossing over the River Tyne, followed by a steep rock scramble..