Trail Running Calendar Wales 2025-2026

Rabbit Run Wales is a trail running event set on the private grounds of the Merthyr Mawr Estate along the South Wales coast, within the Merthyr Mawr Warren National Nature Reserve. It offers stunning 12K (7.5 miles) and new 40K (approximately 25 miles) races, featuring diverse terrain including hill..

The Welsh 3000 Challenge (14 Peaks) is an exhilarating event that involves climbing all 3000ft peaks in Snowdonia, Wales, in a continuous journey. Participants can choose between a 20-hour challenge or a two-day challenge, with highlights including summiting Snowdon and traversing the iconic Crib Go..

The Paddy Buckley Round is a challenging, professionally guided running event in Northern Snowdonia, Wales. Covering over 100km with approximately 9,000m of ascent and descent, the route includes 47 mountain tops across major ranges such as Moelwyn and Nantle Ridge. Participants tackle the course ov..

Ultra X Wales is a multi-stage ultra-marathon held in southern Snowdonia, western Wales, featuring distances of 110km, 60km, 50km, and 25km. The event takes runners through the stunning landscapes of Snowdonia National Park, including the northern Cambrian mountains, lakes, coastline, ridgelines, an..

The Beacons Way Ultra 100km is a challenging ultramarathon held in the Brecon Beacons National Park, Wales. Covering 62 miles with 3,451 meters of elevation, the race follows the official Beacons Way trail, starting near Talybont and traversing spectacular mountain scenery including Pen-y-Fan and th..

The Beacons Way Ultra 100 Miles is a challenging ultramarathon held in the Brecon Beacons National Park, South Wales. Covering 100 miles with 6,143 meters of elevation, the race starts at Abergavenny Castle and follows the Beacons Way National Trail, including iconic peaks like Pen-y-Fan and the Car..

The Pen Y Fan Challenge is a trail running event held in South Wales, featuring two race distances: 5 miles and 13 miles. Both courses include the ascent of Pen Y Fan, the highest peak in South Wales, offering a challenging and scenic experience. The event takes place near postal code LD3 8NL and is..

The Guided Trail Run at Bod Petryal offers participants a relaxed 10km experience through the scenic Clocaenog Forest. The route features beautiful forest trails, leading to the village of Melin y Wig, and includes a stretch along the Brenig way beside the river Clwyd. This event emphasizes a friend..

Ogwen | Yr Helgi Du 2025 is a mountain trail running event held at Plas y Brenin, Capel Curig, in the scenic Ogwen Valley of Eryri (Snowdonia), North Wales. The event offers three race distances—10K, 25K, and 40K—covering some of the highest mountains in England and Wales, including the Carneddau an..

The EDDUM is a 50-mile ultra running challenge set around the Epynt Way, a largely untouched permissive trail encircling the Sennybridge Training Area, the UK's third largest military training ground. Located in Wales, the course offers stunning views of the Brecon Beacons to the south and the Cambr..

The Brecon Beacons 51k is an ultra-distance trail running event held in the scenic village of Talybont-on-Usk, UK. Scheduled for August 9, 2025, it offers three race distances: 10K, 24K, and the challenging 51K ultra. The courses feature rugged trails, climbs, descents, and picturesque views of the..

Open to Offas is a long-established walking and running challenge held in northeast Wales, starting from Cilcain Village Hall. Participants can choose from three distances: 32 miles, 24 miles, or 15.5 miles. The routes ascend the scenic Clwydian Hills and follow the Offa's Dyke Path along the ridge,..

Moel Famau 24 is a challenging 12 or 24-hour hill and trail running event held on the iconic Clwydian Hill of Moel Famau, Wales. Participants tackle a demanding 7.2 km loop with 500 meters of ascent per lap, completing as many laps as possible within the time frame. The event welcomes solo runners a..

Race The Train™ is an annual running event held in Tywyn, Mid-Wales, organized by the Rotary Club of Tywyn. Scheduled for August 16, 2025, it offers multiple race distances catering to various age groups and abilities, including a 14-mile Rotary Challenge, a 10K Quarry Challenge, a 5.5-mile Dolgoch..

The Beast of Llangattock is a challenging trail running event held in Llangattock, Wales, offering four distances: 10km, 10 miles, 20 miles, and a 32-mile ultra. Starting and finishing at Park Farm, the course features stunning panoramic views of the Black Mountains, Sugar Loaf, and the Brecon Beaco..

The Beast of Bryn 2025, organized by the Bryn Residents Action Group (BRAG), is a challenging running event set in the scenic Afan Forest Park. Participants can choose between two distances: approximately 6.5 miles (10.5 km) or 10.5 miles (17 km), with significant elevation gains. The event, which b..

The Crickhowell 10km is a scenic race held in August 2025, suitable for runners looking to progress from a 5k. The flat course follows the Brecon & Monmouthshire canal, starting and ending in Llangattock near Crickhowell, with a turnaround at Gilwern. All finishers receive a medal, and there is a wa..

The Black Cattle Ultra Gwartheg Duon is a challenging trail running event held in South Wales, starting at Cardiff Harlequins RFC in Whitchurch, Cardiff. Participants can choose between two ultra distances: 44 miles from Llanthony Priory or 33 miles from Abergavenny. Both routes follow the scenic Ca..

Ring O' Fire is a challenging ultra marathon event held on the Isle of Anglesey, North Wales, featuring two main races: the Ring O' Fire 130 and the Firelighter 50. The Ring O' Fire 130 is a non-stop, 130-mile (216 km) endurance race circumnavigating the island along the scenic Anglesey Coastal Path..

The Montane Dragon's Back Race® is a legendary and extremely challenging multi-stage ultra running event held annually in Wales. Covering 380 kilometers with 16,400 meters of ascent over six days, the race follows the spine of Wales from Conwy Castle to Cardiff Castle. Known as one of the world's to..