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 1346 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.

By Way of The Glen is a challenging 170-mile foot race from Glasgow to Inverness, combining two of Scotland's iconic long-distance trails: the West Highland Way and the Great Glen Way. Starting at Milngavie Train Station, runners have 28 hours to complete the 94-mile West Highland Way section before..

The Full Essex Way Ultra is an 82-mile ultra-marathon starting at Epping tube station in London and finishing at the historic high lighthouse in Harwich, Essex. The race follows the entire Essex Way trail, featuring mixed terrain including trails, footpaths, tracks, and roads, with a total elevation..

UTMB Index

The Pen Llyn Ultra Summer Edition, known as the Wales Ultra Trail (WAUT), is a challenging ultra marathon event held in the remote coastal areas of North Wales. It offers distances of 50 miles, 100 miles, and a 100-mile pairs race along the rugged Wales Ultra Trail Coastal Path. The course is fully..

Alderman's Ascent is a classic fell race held near Greenfield, Oldham, featuring an 8.5 km course with over 400 meters of climbing. The route includes iconic landmarks such as the Pots and Pans monument and Shaw Rocks, the highest point, before descending and tackling a challenging uphill section on..

The Saunders Lakeland Mountain Marathon will take place in Lake District National Park from Saturday 5 July 2025 to Sunday 6 July 2025.

The Protein Rebel Running Festival, held at Aqueduct Marina in Church Minshull, Cheshire, is a vibrant celebration of running featuring a 10km timed trail run and a 2.5km community fun run. The course consists of three 3.4km loops through fields, tracks, and woodland along the Cheshire Plain, offeri..

The Patterdale Parish Boundary - Beat the Bounds will take place in Penrith on Saturday 5 July 2025.

The High Weald Challenge is a scenic outdoor event held at Stonegate Village Hall in the picturesque countryside around Burwash and Robertsbridge, UK. Participants can choose from three new routes of 30, 22, or 16 miles, all starting and finishing at Stonegate. The courses feature beautiful rural la..

The Serpent Trail is a scenic trail running event held in the South Downs National Park, Hampshire, UK, showcasing some of the most breathtaking and unique countryside in the South East. It offers five distances: 100km, 75km, 50km, 20km, and 10km, catering to a range of runners and walkers. The cour..

UTMB Index

The Birmingham Black Country Half Marathon is a unique point-to-point race held along canal towpaths from Wolverhampton City Centre to Brindley Place in Birmingham. Scheduled for July 5, 2025, the course is largely flat with some gentle inclines at locks and bridges, featuring a memorable 360-meter..

The Great Glen Ultra Marathon is a challenging 72-mile race in Scotland, running from Fort William (Corpach) to Inverness along the scenic Great Glen Way. Featuring 8,500 feet of elevation gain, the course includes canal towpaths, forestry tracks, and some quiet roads, with the route marked by disti..

UTMB Index

The Summer Sunset Half in Perranporth is a scenic half marathon supporting Cornwall Air Ambulance. Participants run an out-and-back course along Cornwall’s stunning north coast, starting from Perranporth Beach and heading to the Bowgie Inn at Crantock before returning at sunset. The event features a..

The Great Glen Ultra Marathon 42 is a challenging 42-mile race along the Great Glen Way, running from Fort Augustus to Inverness in Scotland. The course offers stunning views of Loch Ness and the surrounding hills, following the Great Glen Way High Route with significant elevation gain of around 6,0..

The ATW Odyssey12 is a unique 12-hour multi-terrain running event held at Riverside Park, Regatta Meadow in St Neots, Cambridgeshire. Participants run multiple flat 7km laps on scenic footpaths, passing the lively "Tent of Enlightenment" cheer station each time. Open to all abilities, competitors ca..

The Chevy Chase is a challenging 20-mile race held in Northumberland, starting and finishing at Wooler Youth Hostel. Participants traverse some of the region's finest upland scenery, including summits of Cheviot (815m) and Hedgehope (714m). The unmarked course allows runners to choose their own path..

The PIGUM 2025 is a challenging 30-mile ultra marathon held in Abergavenny, known as the Gateway to Wales. The course features rugged mountain peaks and trails, including a demanding ascent over the iconic Sugar Loaf mountain, with a total elevation gain of 5,000 feet. Participants experience stunni..

The Summits of The North York Moors Ultra is a challenging 115-mile circular trail run held within the North York Moors National Park, starting and finishing at Goathland Village Hall. The course features the 10 highest hills of the moors, traversing hills, moorland, and ancient tracks used since th..

The DalesRunner 30 is a challenging 31.7 km (approximately 19.7 miles) trail race held in Muker, Yorkshire Dales, ascending nearly 3,000 feet from Swaledale to the Tan Hill Inn, Great Britain’s highest pub. The course follows iconic routes including the Coast to Coast path and the Pennine Way, passi..

The Dollar Hill Race is a challenging 15km hill running event held in Dollar, Clackmannanshire, starting and finishing at the Cricket Pavilion of Dollar Academy. Featuring a demanding 960m ascent, the course traverses rugged terrain including Dollar Glen, Saddle Hill, White Wisp, Tarmangie Hill, And..

The Turd is a unique running event hosted by How Hard Can It Be Events, taking place 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..