Trail Running calendar near Merthyr Tydfil 2024-2025

We have found 193 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

The Endurancelife Exmoor event features a range of challenging trail running courses, including a 10K, half marathon, marathon, and ultra marathon. Set in the stunning Exmoor National Park, participants will navigate tough climbs, descents, and diverse terrains, making it one of the most demanding e..

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Cadair X is a challenging half marathon event that takes participants through breathtaking landscapes, including ancient woodlands, glacial lakes, and the rugged terrain of Cadair Idris. Covering a distance of 13.1 miles with a height gain of 1165 meters, the route consists of 65% trail, 25% mountai..

The Westcountry Ultra 100 Miler is a challenging ultramarathon that combines the routes of the Flat 50 and Hilly 50, offering a unique running experience through the scenic landscapes of Somerset. Participants have a generous 32-hour cut-off to complete the race, which features a total elevation cha..

The Ridgeway 40 Walk is a challenging 40-mile event held annually, traversing the historic Ridgeway path from Avebury in Wiltshire to Streatley in Berkshire, UK. Participants navigate a scenic route rich in history, including ancient earthworks and Neolithic sites. The event provides essential suppo..

The Afan Chase Trail Races, scheduled for May 10, 2025, offer an exhilarating trail running experience through the stunning Afan and Glyncorrwg forests. Participants can choose between a half marathon and a 10k race, both featuring diverse terrains including forest paths and single tracks. The route..

The The Scorpion Run will take place in Coleford on Sunday 11 May 2025.

The Stroud Trails Event, organized by Iamoutdoors, features four trail running options: a Quarter Marathon (11K), Half Marathon, Marathon, and an Ultra 40. Set in the picturesque Cotswold hills, participants will navigate a mix of local trails, disused railway tracks, and common land, all while enjo..

The Severn Challenge is a demanding 218-mile ultra marathon held over five days, featuring five distinct stages along the River Severn's scenic path. Participants tackle a variety of terrains, with a historical finisher rate of around 26%, highlighting its toughness. Each day offers a unique race, a..

The MTC Hafren Ultra is a challenging ultra marathon that forms part of the MTC Severn Challenge. Participants embark on a scenic 27-mile route starting with a nearly four-mile trek up Plynlimon, known for its treacherous terrain. After reaching the source of the River Severn, runners retrace their ..

The MTC Severn Plod Ultra is a challenging 48-mile ultra marathon that takes participants on a scenic route from the Mid Wales Art Centre to Shrewsbury. The course features a mix of trails along the River Severn and the Montgomery Canal, with several checkpoints providing vegan and gluten-free food ..

The MTC Severn Path Ultra is a challenging 59-mile ultra marathon that takes place along the scenic Severn River in the UK. Starting from Shrewsbury, the route features a flat course that showcases stunning landscapes and landmarks, including Iron-bridge and Bewdley, before concluding in Worcester. ..

The OTT Marathon & 10 Mile Race is an exciting running event set in the stunning Brecon Beacons, starting and finishing at Parkwood Dolygaer in Merthyr Tydfil. The marathon covers approximately 26.2 miles, featuring challenging climbs and breathtaking views, with three checkpoints along the route. P..

The The Shindig in The Shire will take place in Corfton on Saturday 17 May 2025.

The Jurassic Coast Ultra Challenge is an exciting endurance event taking place on May 17-18, 2025, along the stunning Jurassic Coast in Dorset. Participants can choose from various distances, including 100 km, 75 km, 50 km, 25 km, and a new Weymouth Marathon, as well as a 10K option. The route start..

Marilyn's Meldon Madness is an exciting running event held at Meldon Reservoir, near Okehampton. This race, formerly known as The Great West Fell Run, honors the memory of Marilyn Cooper. It features a challenging senior race that ascends to the highest point in southern England, offering stunning v..

The MTC Severn Way Ultra is a challenging 57-mile ultra marathon that takes participants on a scenic route starting from Travelodge Worcester and finishing at Travelodge Stonehouse. The course includes notable locations such as Upton-on-Severn, Tewkesbury, and Gloucester, with a relatively flat terr..

The Wild Horse 200 is an exhilarating 200-mile ultra marathon set in the stunning landscapes of South Wales, scheduled for May 21-26, 2025. This challenging event takes participants along iconic trails, including Offa’s Dyke and the Beacons Way, culminating at Worm’s Head on the Wales Coast Path. De..

June 2025

Conquer24 Powderham Castle is an exciting 24-hour running event set in the stunning surroundings of Powderham Castle. Participants can run solo, in pairs, or as part of teams of up to 12, tackling an 8km course that weaves through enchanting woodlands and offers breathtaking views, including a run t..

The VOGUM 2025 is a thrilling 40-mile trail running challenge along the scenic Wales Coast Path, stretching from Porthcawl to Penarth. Set against the backdrop of the Glamorgan Heritage Coast, participants will experience stunning views of golden beaches, dramatic cliffs, and historical sites like O..

The Cheddar Gorge Challenge is an exhilarating off-road running event set in the stunning landscapes of Cheddar Gorge and the Mendip Hills. Scheduled for June 8, 2025, participants can choose from various distances, including 1km, 3km, 6km, 10km, Half Marathon, and Marathon, as well as an Omnium Cha..