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 1307 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 South Downs 50k is a point-to-point trail race held in the South Downs National Park, running from Falmer to Eastbourne. Covering 50 kilometers, the course features over 3,500 feet of elevation gain and descent along mostly runnable grass trails, farm tracks, and forest paths. The route culminat..

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The Whinlatter Forest Half Marathon and 10K is a challenging trail running event held in Whinlatter Forest, located in the Lake District, a World Heritage Site. Participants can choose between a half marathon (13.1 miles) and a 10K (6.2 miles), both featuring firm trail paths with significant elevat..

"It's reet grand at Gargrave tha nows" is a scenic trail running event organized by It's Grim Up North Running, set just outside the charming village of Gargrave in the Yorkshire Dales. The course follows the Leeds and Liverpool canal towpath, offering a mostly flat route through beautiful countrysi..

The OMM Lite will take place in Grasmere from Friday 29 May 2026 to Sunday 31 May 2026.

The Blair Castle Trail Weekender, held on the Atholl Estate in Blair Atholl, offers a diverse range of trail races from a 7km run for kids to the challenging 60km Full Tilt Ultra. Set within the scenic grounds of the historic Blair Castle at the base of the Cairngorm National Park, the event feature..

The Beat the Sunset 50km ultramarathon takes place in Maidenhead, Berkshire, starting and finishing at the NMCC Sports Club. This multi-terrain course is fully marked and features four checkpoints approximately every 10km, with a personal nutrition drop available in the latter half. The event offers..

The Three Castles 50km Ultra Marathon is a scenic race held in Kent, England, starting in Rochester and finishing at Tonbridge athletics track. The flat course follows the River Medway, passing three medieval castles, charming villages, and lush countryside along the Medway Valley Walk. Runners expe..

The Castle Trails 30km is a scenic point-to-point trail race in Kent, launching in 2026 as part of the Three Castles 50km Ultra weekend. Starting at Little Fant Farm near Maidstone and finishing in Tonbridge, the course follows the River Medway, passing historic sites like East Farleigh’s stone brid..

The Great Langdale 21 is a challenging 21km trail running event held in the scenic Great Langdale valley, based out of the New Dungeon Ghyll Hotel in the Lake District, UK. Featuring 850 meters of ascent, the course offers a technical route through stunning landscapes including Far Eastern Raven, Mi..

The Scafell Sky Race is a challenging skyrunning event held in the Central Lake District, England. Covering 40km with 2800m of ascent, the race features technical, single-track trails throughout its point-to-point course. Participants traverse iconic Lakeland fells, including the summit of England’s..

The Norn Iron Ultra will take place in Ballintoy on Saturday 30 May 2026. You can run 106 miles.

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The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race along the entire length of The Ridgeway National Trail in England. Starting at Ivinghoe Beacon in Hertfordshire and finishing at the Avebury Stones in Wiltshire, the course follows a historic path that has existed for ov..

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The Circuit du Sore Legs is a unique running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. Participants run on a traffic-free 400-meter athletics track, with distances ranging from 5k to a 6-hour challenge, including half marathon, full marathon, and 50k ultra options...

The Gerald Story Memorial Fun Run is an annual 5.5-mile trail running event held at Worksop College, starting in Worksop and winding through the scenic Clumber Park. The mostly trail course includes a short closed road section and offers beautiful natural surroundings. The event honors Gerald Story,..

June 2026

Ultra Scotland 50 is a challenging 56-mile trail ultramarathon held in southern Scotland, following the scenic Southern Upland Way. Starting at St. John's Town of Dalry, runners traverse forests, valleys, and mountains with a total ascent of 2,447 meters.The race finishes at Moffat Rugby Club and ac..

The North Leeds Skyline is a trail running event held in Otley, featuring distances of 50km (Ultra Trail), 25km (Super Trail), and 15km (Challenge Trail). The course traverses public footpaths and trails with significant elevation gains, including 1000m for the ultra and 650m for the super trail. Th..

The Samaritans Way Ultra is a trail running event held at Guisborough Rugby Club, featuring two race distances: a 40km marathon and a 60km ultra marathon. The course follows the Official Samaritans Way, a trail created by Teesside Samaritans, with updated routes for 2026. The event supports Teesside..

TSUNAMI Ocean Trails is a challenging trail running event set along the rugged and remote North Devon and Cornish coastline in the South-West of England. The event features three race distances: an Ultra 37-mile race from Westward Ho! to Bude, a Marathon starting at Clovelly harbour, and a 16-mile r..

Ultra Scotland 100 is a challenging 104-mile ultramarathon held along the scenic Southern Upland Way in Scotland. Starting at St John's Town of Dalry and finishing in Galashiels, the race features 4,611 meters of elevation gain and traverses iconic trails including Benbrake, Gateshaw Rig, Lowther Hi..

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The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England. This marathon offers a scenic course that takes participants along canals, over waterfalls, through vineyards, woodland, and coastal saltmarshes. The race starts early on a summer evening and continues into the n..