Trail Running Calendar Wales 2025-2026

The Gower Ultra 50, Ultra Bach & Trail Race is a series of long-distance trail races set along the stunning Wales Coast Path in the Gower Area of Outstanding Natural Beauty. Participants can choose from three race options: the Gower Ultra 50, which circumnavigates the Gower peninsula, the Gower Ultr..

The Loop Ultra is an exciting 50km (32 miles) trail running event set in the stunning Cambrian Mountains of Mid Wales, organized by Limitless Trails. Scheduled for October 11, 2025, the event starts at Camp Plas, offering a marked route that showcases breathtaking landscapes, including Lake Vrynwy a..

The Breidden Hills Race, organized by Mercia Fell Runners, is a challenging fell running event set in the scenic West Midlands. Participants will tackle a distance of 11.5 km with a total ascent of 790 meters, making it a demanding course for runners. The race emphasizes safety and sustainability, r..

Loggerheads Autumn Trails is an exciting running event featuring longer versions of popular 5k and 10k races, set in the scenic Loggerheads Country Park. Participants can choose from a 14k race, which consists of two loops of a 7k course, or a 7k Canicross discipline, welcoming runners of all abilit..

The Brenig Way 50K Trail Race is a scenic running event set in the beautiful upland scenery of North Wales. Starting in Corwen, participants will navigate a marked 32-mile footpath that includes diverse terrains such as country lanes, technical climbs, and forest tracks, culminating at the picturesq..

The Giddy Horse Backyard event is a unique running experience taking place at Piercefield Park, Chepstow Racecourse, on October 25, 2025. Participants can choose from 8-hour, 12-hour, 24-hour, and relay races, all set on a scenic 4.167-mile loop featuring a mix of woodland, parkland, and tarmac trai..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races is an exciting running event taking place at Chepstow Racecourse in the UK. Scheduled for October 26, 2025, participants can choose from various race options, including a half marathon, 8-mile and 4-mile trail races, and stee..

The Black Beacon Mountain Trail Races are long-distance running events set in the stunning landscapes of the Bannau Brycheiniog (Brecon Beacons) and Black Mountains. Participants can choose from four race distances: 100 miles, 50 miles, 50k, and 21 miles, all culminating in Pontneddfechen. The races..

The OTT Ultra Marathon is a challenging 30-mile race set in the stunning Brecon Beacons, designed for both novice and experienced ultra runners. The course begins at Cyfartha Castle and features a mix of scenic and technical trails, including a climb to the summit of Pen y Fan, the highest peak in S..

The Beacons Ultra is a thrilling running event featuring three race distances: a 49-mile ultra, a 26-mile marathon, and a 13-mile half marathon. Set in the picturesque town of Talybont-On-Usk, nestled in the Brecon Beacons, the event showcases a mix of trails, mountains, canals, and roads. Participa..

Endurancelife Gower offers a series of trail running events, including a 10K, half marathon, marathon, and ultra marathon, set in the stunning natural landscape of Gower, an Area of Outstanding Natural Beauty. Participants will experience diverse terrains such as cliff tops, woodlands, sand dunes, a..

The Anglesey Trail Half Marathon and 10K is an exciting running event set in the picturesque Newborough Forest and Traeth Llanddwyn in North Wales. Participants can enjoy stunning views of Llanddwyn Island and the surrounding landscapes, including the Llyn Peninsula and Snowdonia mountains. The even..

The Trails & Tarmac 12hr Backyard Ultra is an exciting running event set in the scenic Black Mountains near Crickhowell, Powys. Participants will tackle a 4.2-mile loop, completing the first eleven loops within an hour each, followed by a competitive final lap to determine the winner. The event feat..

The Slate Trail Ultra will take place in Bangor from Saturday 15 November 2025 to Sunday 16 November 2025. You can run between 88 and 145 kilometers.

The Margam Trail Races, organized by Trail Revolution, will take place in Margam Park on November 15, 2025. This event features a variety of race distances, including 5km, 10km, and a half marathon, designed to challenge participants on the park's scenic forest paths and woodland trails. The course..

Dusk Till Dawn The Winter Edition is an exciting running event organized by Mad Running Junkies, set in the scenic Bridgend, South Wales. Participants will tackle three 10-mile routes over a 12-hour period, starting at dusk and finishing at dawn. This unique challenge, an extended version of The Hat..

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 Guided Trail Run in Dolwyddelan offers participants a scenic 10km route beginning in the charming village. The run features a leisurely start along the river, followed by a climb to Ty Mawr, where runners can enjoy stunning views of the village below. The course winds through beautiful forested..

The Secret Santa Tinsel Half Marathon, along with the Tinsel Twelve 12k and Turkey Ten miles, is a festive running event taking place in the scenic Black Mountains. Participants can enjoy beautiful trails while embracing the holiday spirit by dressing up and bringing a small wrapped gift for a Secre..

The Sea 2 Summit - Offa's Dyke Half/Full/Ultra is a challenging running event that takes place along the scenic Offa's Dyke footpath, starting from Prestatyn seafront. Participants can choose from three distances: Half Marathon, Full Marathon, and a new Ultra distance of 33 miles, which culminates a..