Trail Running Calendar Wales 2025-2026

The Trails & Tarmac Backyard Ultra is an exciting running event set in the scenic Black Mountains near Crickhowell, Powys. Participants will tackle a 4.167-mile loop that combines both trail and tarmac surfaces, featuring a mix of flat terrain and a few climbs. The event encourages runners to comple..

The Alyn Waters Winter Trails event offers 5k and 10k trail running courses in a scenic country park, designed for participants of all abilities. The courses are fully marked and marshalled, ensuring a safe and enjoyable experience. With no time limits, runners can choose to race or simply enjoy the..

The West Glamorgan XC League - Round 3 takes place at Margam Park, hosted by Run4All Neath. This event features a 5-mile race and is part of a competitive series. Registration opens early, and participants must pre-register as there will be no on-the-day entries or guest runners allowed.Runners are ..

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 an Ultra Marathon, which culminates at the summit of..

The Tarrenhendre Fell Race is a challenging 6-mile event featuring a 2000-foot ascent, part of the Meirionnydd Winter Race Series. The course begins at an elevation of less than 50 meters and ascends to the summit of Tarrenhendre at 634 meters, traversing through forestry and offering stunning views..

The Secret Santa Series, organized by Limitless Trails, is a festive running event set in the scenic Brecon Beacons National Park. Participants can choose from three distances: a 12K, a 10-mile, or a half marathon, each featuring challenging trails and beautiful landscapes. Runners are encouraged to..

The Brecon to Cardiff Ultra is a renowned 43-mile race that takes place along the scenic Taff Trail, starting in the Brecon Beacons National Park and finishing in Cardiff. Celebrating its 11th year, this fully marked event attracts ultra runners from all over, often selling out quickly. The route fe..

The Brecon to Cardiff Classic is a renowned 70k ultra marathon that takes participants on a scenic journey from Brecon to Cardiff, following the picturesque Taff Trail. Celebrating its 11th year, this fully marked race showcases the stunning landscapes of the Brecon Beacons National Park, featuring ..

The Brecon to Cardiff Xtreme is a challenging mountain running event, part of the classic Brecon to Cardiff ultramarathon, now in its 11th year. This 75-kilometer linear race traverses 11 major peaks between Brecon and Cardiff, featuring approximately 2800 meters of ascent. It is designed for experi..

The Sorbrook Slog is a challenging multi-terrain race organized by Griffithstown Harriers, taking place on February 23, 2025. This scenic approximately 7-mile race traverses footpaths, open fields, country lanes, and gullies in the Sorbrook and Sluvad areas. Participants can register online until Fe..

The Hateful 8 Loopy Ultra is an exciting running event set in the scenic Bridgend, South Wales. Participants will tackle a challenging 9-mile loop as many times as possible within an 8-hour time limit. The course features a mix of terrains, including a steep hill, picturesque road sections, and a te..

The Guided Trail Run in Ceiriog Valley offers participants a relaxed 10km running experience starting from the village of Llanarmon Dyffryn Ceiriog. The route features approximately 300 meters of elevation, providing stunning views of the surrounding Ceiriog Valley. This event emphasizes a friendly ..

The Beast of the Blacks is an ultra trail event featuring 10, 20, and 40-mile courses set in the stunning Black Mountains of Wales. Designed for both elite and beginner trail enthusiasts, this challenging event promises breathtaking views and diverse terrain, including forest trails and mountain sum..

The Gower Gallop Trail Races, taking place on March 8, 2025, at Oxwich Bay, offers an exciting running experience for participants of all levels. Runners can choose from three distances: 5km, 10km, and a half marathon, set against a stunning backdrop of beach, coastal paths, and woodland trails. The..

The Hateful Eight is an 8-mile day race set to take place on March 8, 2025, at The Nature Centre in Bridgend, UK. This mixed terrain course features a challenging route that includes a steep hill, scenic road sections, and a technical downhill forestry trail. The event aims to encourage participants..

The Loggerheads Trail event, scheduled for March 2025, offers a popular trail running experience at Loggerheads Country Park. Participants can choose from three race options: a 5k Trail, a 5k Canicross Trail, and a new 10km route designed to challenge runners of all abilities. The event promotes a r..

The Brynkinalt Running Festival is an exciting event that promotes an active lifestyle within the community, featuring both trail running and canicross. Set in the picturesque Brynkinalt Estate, participants can choose to run approximately 5k or 10k, with routes designed to challenge runners of all ..

The Llantysilio Mountain Race is a challenging running event set in the scenic Dee Valley, covering just over 6 miles with an ascent of 2100 feet. Participants will navigate a route along the Llantysilio Mountain ridge, culminating in a climb to Moel y Gamelin, the highest point at 1893 feet. The ra..

The Nant Yr Arian Silver Trail is a half-marathon and 10k race set in the stunning landscapes of mid-Wales. This event features challenging and varied terrain, making it an exciting experience for runners of all levels. In addition to the main races, there are children's events tailored for various ..

The Red Warrior Annual Multi Terrain Races offer a variety of running events, including 2K, 5K, 10K, and 20K distances, catering to both solo participants and canicross teams. Scheduled to take place at Margam Country Park, Port Talbot, the event is designed for runners of all abilities, featuring s..