Trail Running calendar near Cardiff 2025-2026

The Beacons Ultra is a challenging trail running event held in November in Talybont-on-Usk, Powys, at the foothills of the Brecon Beacons. It offers three race distances: a 49-mile ultra featuring two loops of a 23-mile course with an out-and-back climb to Pen y Fan, a 26-mile marathon covering a si..

The Bristol MoRun is a vibrant running event held at Ashton Court Park, offering 1.5k, 5k, and 10k distances to suit all ages and abilities. The course features a mix of paths and trails with some hilly sections between 1km and 3km, suitable for dog walkers and off-road buggies but not wheelchairs...

DirtRun In The Dark is an off-road running event held at The Wyre Forest, Callow Hill Visitor Centre. Participants tackle a 10km course consisting of two laps around forest tracks and trails, all run in the dark, making torches compulsory. The race welcomes runners aged 14 and above and allows canic..

The Trails & Tarmac 12hr Backyard Ultra is a challenging endurance running event held near Crickhowell in Powys, UK, set in the scenic Black Mountains. The race features a 4.2-mile loop combining 50% trail and 50% tarmac, with mostly flat terrain, one gradual climb, and a short steep section, design..

The Bath Skyline running event, organized by Relish Running Races, offers 5km and 10km off-road races around the iconic Bath Skyline, featuring woodland trails, open meadows, and hilltop views of Bath. Held at the University of Bath's West Car Park, the course is mostly flat with some gentle rises,..

The Burrator Noir is a night running event held at the Discovery Centre, Burrator Reservoir. It features a challenging 12-mile trail run through moorland, plantations, rocky paths, and disused railway lines, as well as a flat, fast 10k road race around the reservoir's perimeter. The trail course inc..

The Margam Trail Races take place at Margam Country Park and Forest, offering runners a scenic and well-marked trail running experience. The event features three distances: a half marathon (21.1 km with 750m elevation), a 10k (10.2 km with 420m elevation), and a 5k (5.1 km with 140m elevation). The..

Dusk Till Dawn The Winter Edition, also known as Dawn Two Dusk: Day Light Robery, is a challenging 12-hour running event held at Bridgend Miniature Railway in South Wales. Participants tackle three different 10-mile mixed terrain routes, including hills, technical downhill forestry trails, and some..

The The Maverick Exposure Lights Dark Castle will take place in Corfe Castle on Saturday 15 November 2025. This trail is organized by Maverick Race. You can run between 5 and 15 kilometers.

The Callow Fell Race, organized by Mercia Fell Runners, is a challenging event that has transitioned from a summer to a winter series race. Covering a distance of 8.1 km with a total ascent of 762 meters, it is recognized as one of the toughest races in Shropshire. The course features steep climbs a..

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers...

The MT10 (Multi-Terrain 10) is a 10-mile (16 km) off-road trail run held at Pembrey Country Park and along Cefn Sidan Beach in Carmarthenshire. The course features a mix of soil and firm sand surfaces, providing a varied terrain that accommodates runners of all abilities. Set in a scenic natural env..

The Drogo 10 is a challenging 10-mile (16 km) fell race held annually at Castle Drogo near Exeter, Devon. The multi-terrain course features approximately 1,760 feet (535 meters) of climbing, offering runners stunning views of the Teign Valley. The route includes steep descents, woodland paths, river..

The Broadway Marathon & Half Marathon, organized by Cotswold Trail Events, takes place in Broadway, Worcestershire, within the scenic northern Cotswolds. The marathon features a challenging, hilly course primarily on trails and unpaved tracks, with some minor road sections. Starting and finishing on..

Dark Valley, Night Trails is an exhilarating night-time running event hosted by BigFeat Events at Moors Valley Country Park. Participants can choose from 10km, 20km, or 30km looped trails, all set amidst the enchanting woods of Dorset. Runners will navigate the course using headtorches, guided by fl..

The Smurf Run in Aberdare, Wales, is a unique 7-hour time challenge event hosted by Saturn Running at the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps of approximately 7km (4.37 miles) on well-maintained footpaths offering beautif..

The Bournemouth Coastal TEN is a scenic running event held at Hengistbury Head, Bournemouth, Dorset, offering 10-mile and 10k race options along the stunning Dorset coast. The largely flat, traffic-free courses follow Bournemouth’s seafront paths, including a run along Boscombe Pier with uninterrupt..

The Budleigh Blister, organized by Exmouth Harriers, is an approximately 10-mile off-road running event held in Budleigh Salterton. Starting from Budleigh Cricket Club, the race offers participants a scenic course featuring stunning natural surroundings. All finishers receive a memento to commemorat..

The New Forest Stinger is an annual 10-mile trail running event held in the scenic New Forest at Ocknell Campsite, Fritham. Organized by Totton Running Club, the race features an undulating off-road course that follows approved trails and paths, offering some of the best views in the forest. The eve..

The Combe Crawler is a challenging 8.5-mile cross-country trail race held annually in Ilfracombe, North Devon. The course features steep coastal paths, woodland tracks, fields, and stunning views of the dramatic countryside. Known for its hilly terrain, the race tests even experienced runners.The 20..