Trail Running calendar near Glastonbury 2025-2026

The Trails & Tarmac Backyard Ultra, organized by Limitless Trails, is an endurance running event held near Crickhowell in the Black Mountains, Powys, UK. The race features a 4.2-mile (approximately 4.17 miles) loop combining equal parts trail and tarmac, with mostly flat terrain, one gradual climb,..

XTERRA Matterley is an off-road sporting event held at the scenic Matterley Basin in Hampshire, United Kingdom. Scheduled for February 14-15, 2026, it offers a variety of race formats including duathlons and trail runs suitable for athletes of all levels. The duathlon races feature distances such as..

The Wild & Mild Night Run is a challenging trail race held in South Brent, UK, featuring 9-mile and 5-mile distances across trail and open moorland. The course begins with a mainly uphill stretch along the river to Shipley Bridge, followed by a tarmac section before entering Dartmoor. Runners naviga..

The Dalwood 3 Hills is a popular multi-terrain running event held in Dalwood, near Axminster, Devon. Returning in 2026, it offers three distances: a challenging 10-mile course featuring hills, mud, and river crossings; a 5km "Dalwood Dash" with similar terrain; and a new 3km "Dalwood Doddle" fun run..

The Dartmoor Winter Traverse is a fully supported endurance event held on Dartmoor, UK, offering two distances: a challenging 50 km ultra and a 30 km option. Participants run or walk from south to north across some of the most remote and wild parts of the moors, including landmarks like Red Lake, th..

The Two Tunnels Races, taking place in February 2026, offer a unique running experience through Bath's historic underground tunnels, the longest of their kind in the UK. Participants can choose from a variety of distances, including ultra marathons, half marathons, 10km, 5km, and family-friendly Col..

BigMud Trails (EARTH) is the first event in the Classic Element Trail Series, celebrating the element of Earth. Set in the scenic Meon Valley at Queen Elizabeth Country Park, participants can choose between a 16-mile or marathon distance, both featuring challenging single-lap courses with significan..

The South Downs Way Ultra Run is a 30-mile trail running event starting and finishing at Harting Down in West Sussex, UK. The course showcases some of the best sections of the South Downs Way and nearby areas, including Beacon Hill, Cocking Down, and the ancient woodlands of Kingley Vale, known for..

The Hameldown Hammer is a premier trail running event held in Widecombe-In-The-Moor, Dartmoor, featuring three challenging races: the Hammer Half Marathon, the 7EVEN (an 8-mile race), and the inaugural Ultra Hammer. The courses traverse rugged Dartmoor terrain with grassy, rocky, and occasionally mu..

The St David's Day Dragon Run 2026, organized by Saturn Running, takes place in the scenic Dare Valley Country Park in Aberdare, Wales. This 7-hour time challenge allows participants to run distances of their choice, starting from a minimum of 3km. The course features well-maintained footpaths with..

The Weymouth Bay 10K is a scenic charity fun run held in Weymouth, Dorset, starting at Bowleaze Green near the Riviera Hotel. The course is an accurately measured out-and-back route featuring two laps, extending towards Pleasure Pier and returning via Overcombe. The mostly flat road terrain (88%) of..

The Brecon to Cardiff Classic is a 70-kilometer (43-mile) ultra running race held annually along the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Nantgarw near Cardiff. Now in its 12th year, this fully marked, one-way race features diverse landscapes, starting with dramatic m..

The Imber Ultra is an annual trail running event covering over 33 miles, organized by Avon Valley Runners and the Rotary Club of Westbury. Held in the scenic Wiltshire area, the race offers a challenging course with multiple checkpoints, attracting trail running enthusiasts seeking a long-distance a..

The Brecon to Cardiff Xtreme is a challenging 47.5-mile (75 km) winter mountain ultramarathon held in Wales, traversing 11 peaks from Brecon to Cardiff with approximately 2,680 meters of ascent. It demands excellent winter mountain running skills and fitness. The route starts at Brecon’s canal basin..

The Winter Green Man Ultra (Winter GMU) is a challenging ultra marathon held around Bristol, UK, featuring two distances: 45 miles and 30 miles. The 45-mile race is a full anti-clockwise loop of the Community Forest Path starting and finishing at Ashton Park School, with 3100 feet of elevation gain...

The Hateful 8 Ultra Loop is an endurance running event held at Bridgend Miniature Railway in Aberkenfig, Bridgend, South Wales. Participants tackle a challenging 9-mile mixed terrain loop featuring a tough hill, scenic road sections with stunning views, and a technical downhill forestry trail. Runne..

Winter's End - 50 Mile Ultra & Marathon is a scenic trail running event held along the South Downs Way National Trail, starting near Arundel, West Sussex, and finishing in Winchester, Hampshire. The event features a 50-mile ultramarathon and two marathon options covering either the first or second h..

The Forest of Dean Spring Trails Half Marathon is a scenic 13.1-mile race held annually in the Forest of Dean, starting and finishing near the Speech House Hotel. The course features well-maintained woodland trails with gentle inclines, offering a multi-terrain experience through beautiful forest la..

The Red Warrior Annual Multi Terrain Races take place at Margam Country Park in the UK, offering challenging 5K, 10K, and 20K distances. The event features separate races for solo runners and canicross participants, allowing runners to compete alongside their dogs. Known for its rugged and varied te..

The Elephant Challenge is a 6-hour running event held at the award-winning Salcey Forest near Northampton, England. Participants run multiple laps of a 3.5-mile off-road loop through well-maintained forest paths, mainly on crushed stone and forest floor, with no asphalt. The event welcomes all abili..