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 1453 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 Angles Way Ultra is a long-distance trail running event held along the scenic Waveney River valley on the Norfolk/Suffolk border, between Thetford and Great Yarmouth. The event features two distances: a 100k ultra starting in Diss and a 50k ultra beginning in Shipmeadow, both finishing in Great..

The Guided Lairig Ghru Crossing is a 32km trail running event through the historic high mountain pass in Scotland, taking participants across remote and rugged terrain. Led by experienced guides, the event includes a transfer from Aviemore to the Linn of Dee, where runners begin their journey northw..

The Northiam 8.5km Trail Race is a scenic trail running event held around Northiam, starting and finishing at Northiam Village Hall. The course features over 62% trail terrain, offering runners picturesque views and passing local landmarks. The race is fully marked and marshalled, ensuring a safe an..

The Coniston Gullies is an exhilarating fell race organized by the British Open Fell Runners Association (BOFRA), designed for adventurous runners. This challenging event features a short distance of 1.00 mile (1.60 km) with a significant elevation gain of 900 feet (270 meters), making it a true tes..

The Seven Sisters Half Marathon is a scenic 13.5-mile trail race held in the South Downs National Park, starting and finishing at Helen Garden in Eastbourne. The course follows the South Downs Way, passing through Friston Forest, woodland trails, and iconic landmarks like the Seven Sisters cliffs an..

The St Boswells Wobbly Trail Race is an approximately 8-mile trail running event held in the scenic village of St Boswells in the Scottish Borders. The course features a mix of mostly trail paths with minimal road running, offering runners views of the nearby river without crossing it. A notable hig..

The Whinlatter Forest Half Marathon & 10K, held in May 2025, is a challenging trail running event set in the scenic Whinlatter Forest within 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 w..

Woohoo It's Hornsea is a popular trail running event organized by It's Grim Up North Running, set along the scenic Trans Pennine Trail in East Yorkshire. Participants can enjoy a variety of distances, including 5K, 10K, half marathon, and marathon, all featuring a flat terrain ideal for runners of a..

The Charlesworth Chase is a challenging fell running event held in Appletreewick, North Yorkshire. Covering a distance of 5.2 miles with an ascent of 1,200 feet, the race starts from the Craven Arms and follows a scenic route along roads, fields, and tracks beside the river to Howgill. Runners then..

The Bredon Cricket Club Tower Run is a 10k trail race held at Bredon Cricket Club, starting and finishing at the picturesque venue. The fully marshalled course takes runners along scenic country lanes, tracks, and paths up to the 299-meter summit of Bredon Hill, featuring an Iron Age fort and the hi..

The ATW Chiltern Half Marathon & 10K is a scenic running event held in the Chiltern Hills near Bellingdon, Chesham. Participants can choose between a half marathon or a 10K trail run through the Area of Outstanding Natural Beauty, featuring rolling landscapes with challenging climbs and rewarding de..

The Taunton Trail Run, organized by Prosper Events in South-west England, offers both a 10K and a half marathon on an ultra-flat, fast course ideal for beginners and experienced trail runners alike. Set along Taunton's scenic waterways, the event provides a beautiful natural backdrop and a well-mark..

The Toppesfield Tens is a trail running event organized by Essex Trail Events, held at The Green Man in Toppesfield, Essex. Scheduled for May 26, 2025, it offers two distance options: approximately 10 miles and 6.2 miles (10km). This UK Athletics-affiliated race features a self-navigation format, wh..

The Ilkley Trail Race is a popular 6.9-mile multi-terrain running event held in Ilkley, West Yorkshire. The out-and-back course features 810 feet of climbing, primarily on the outward leg, and offers stunning views over the Wharfe Valley and Ilkley Moor. Runners traverse a mix of tracks, woodland, f..

The Banchory Lunchtime Trails Session is a social trail running event held near Scolty Woods in Banchory. Designed to enhance running form, speed, power, and fitness, the session includes fun running intervals of short duration to add challenge. Participants meet at a parking lay-by off Dee Street,..

The Austwick Amble Fell Race is a 13km loop held in the scenic Yorkshire Dales National Park, featuring 365 meters of climbing and a well-marked course through Crummockdale. Taking place in Austwick, the event is organized alongside the traditional Austwick Street Market, offering a festive atmosphe..

The Bamford Sheepdog Trials will take place in Exmouth on Monday 26 May 2025.

The Gavel Fell Race is a running event taking place on May 28, 2025, at the Ennerdale Show Field in Great Britain. The race features a senior distance of 5.9 miles with a vertical ascent of 330 meters, alongside various junior races for different age categories starting from 18:00. Participants are..

The Gribbin 10K is a challenging trail race held near Fowey, Cornwall, starting and finishing at Menabilly House. The 10-kilometer loop features steep climbs and varied terrain, including coast paths, tarmac, meadows, and steps, offering scenic views along the route. The course is well marshalled an..

The Glaisdale Fell Race is an 8.5-mile running event held in Glaisdale, North Yorkshire, featuring approximately 1850 feet of elevation gain. The course takes runners around Glaisdale Rigg, offering spectacular views across the North Yorkshire Moors. The final mile descends along an old green lane f..