Trail Running calendar near Trethomas 2025-2026

The Black Beacon Mountain Trail Races are a series of challenging long-distance mountain trail races held in South Wales, crossing the Black Mountains and Bannau Brycheiniog (Brecon Beacons) National Parks. Starting from Hay on Wye, the event offers four race distances: a 100-mile ultramarathon with..

The Haldon Halloween Twilight Run takes place in Haldon Forest near Exeter, Great Britain, offering a festive running experience on November 1, 2025. Participants can choose from three distances: a 2.5 km fun run, 5 km, and 10 km races, including Canicross options for dog runners. The event features..

OTT Ultra Marathon is a 30-mile trail race through the Brecon Beacons, organized by OTT Events. The course starts at Cyfarthfa Castle in Merthyr Tydfil and follows the Taff Trail before venturing onto trails by the River Taff toward the Beacons Reservoir. After crossing the A470, runners summit Pen..

The Dorset Hillfort Ultra is a scenic 38-mile running event set in the picturesque West Dorset, featuring a challenging course with approximately 1,300 meters of ascent. Participants will traverse from one ancient hillfort to another, enjoying stunning views of Lyme Bay and the Jurassic Coast. The r..

Twmbarlwm Terror is a 7-mile multi-terrain race organised by Fairwater Runners Cwmbran in Risca, near Newport, South Wales. The route combines footpaths, open fields, country lanes and woodland from Risca Leisure Centre to the Twmbarlwm peak and back, with around 1,000 feet of total ascent. Now in i..

Endurancelife Gower offers a series of trail running events set in the stunning Gower Peninsula, the UK's first designated Area of Outstanding Natural Beauty. Participants can choose from 10K, half marathon, marathon, and ultra distances, all featuring challenging terrain including grass, moor, beac..

Salt Settlers Six Hour Race is a six-hour event staged in the Lower Otter valley near Budleigh Salterton. Runners and walkers complete as many 4.4 km laps as possible, with roughly 12 m of ascent per loop, on a flat course. Five loops equal a half marathon; ten loops, a marathon.The route avoids tid..

East Devon 8 Trigs 2025 is a self-navigation trail event based at Budleigh Salterton Cricket Club, Devon. Organized by Climb South West Ltd, it offers three distances: 21 km (3 Trigs Half), 42 km (6 Trigs Marathon) and 53 km (8 Trigs Ultra). Open to runners and walkers, solo or in teams of two, with..

Beacons Ultra, Marathon and Half is a three-distance running weekend in the Brecon Beacons, start and finish in Talybont-on-Usk (Henderson Hall). The event offers a 49-mile ultra, a 26-mile marathon and a 13-mile half marathon, all on mixed trail, mountain, canal and road terrain. The Ultra runs two..

MoRunning Bristol is held at Ashton Court Park in Bristol and includes 1.5k Mini MoRun for kids, plus 5k and 10k MoRuns. The route combines paths and trails with hills from 1km up to 3km; it’s dog-friendly and suitable for off-road buggies, though some sections may be muddy or bumpy and it isn’t whe..

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..

Trails & Tarmac 12hr Backyard Ultra, organized by Limitless Trails, takes place near Crickhowell in the Black Mountains. The race uses a 4.2-mile loop and features 12 laps within a 12-hour cap. The first eleven loops are completed within an hour; the twelfth yard becomes a final sprint to determine..

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 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 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 Beckbury Trail is a 10K multi-terrain running event organized by Lawley Running Club, celebrating its 10th anniversary. Set in the scenic rural village and parish of Beckbury, Shropshire, the course features a mix of trail and a small section of road, including the challenging Badgers Bite Hill...

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..