Trail Running Calendar Wales 2025-2026

The EDDUM is an exciting 50-mile trail running event set to take place around the scenic Epynt Way, showcasing the stunning landscapes of Wales. Participants will traverse a mostly untouched permissive path that loops around the Sennybridge Training Area, the UK's third-largest military training gro..

The Dragon Slayer Ultra will take place in Itton on Sunday 3 August 2025.

The Brecon Beacons 51K event, part of the RunThrough UK series, will take place on August 9, 2025, in Talybont-on-Usk, UK. Participants can choose from three trail distances: 10K, 24K, and the challenging 51K ultra. Each route features rugged trails, scenic climbs, and stunning views of the Brecon B..

Open to Offas is a challenging walking and running event taking place in North East Wales, starting from Cilcain Village Hall. Participants can choose from three route options: 32 miles, 24 miles, or 15.5 miles. The routes traverse the scenic Clwydian Hills, following the Offa's Dyke Path and offeri..

The Beast of Llangattock is a challenging trail running event featuring distances of 10k, 10 miles, 20 miles, and 32 miles. Set in the stunning landscapes of Llangattock, participants will navigate through fields, ancient pathways, and the breathtaking Llangattock Escarpment. The event promises a sp..

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..

Ring O' Fire is an exhilarating endurance running event held on the stunning Isle of Anglesey, North Wales. The main race, Ring O' Fire 130, is a non-stop, 130-mile challenge that takes participants on a full circumnavigation of the island, showcasing breathtaking coastal scenery. Runners can choose..

The Dragon's Back Race® is a legendary multi-stage ultra running event that takes place in Wales, spanning from Conwy Castle to Cardiff Castle. Regarded as the world's toughest mountain race, it covers a distance of 380 km over six days, with a total elevation gain of 17,400 meters. First held in 19..

The Dee Way 120 is an ultra-distance running event that spans approximately 120 miles along the scenic River Dee, from Llanwchllyn to Prestatyn. Participants can choose between the full race or a shorter 60-mile option, which starts at Corwen. The event features a 50-hour time limit for the 120-mile..

The RunThrough Snowdonia Sea2Sky event features 53k and 25k trail races set against the stunning backdrop of Snowdonia, taking place on September 6, 2025. Participants can expect a challenging course with breathtaking views, along with a bespoke finisher's medal, chip-timed results, and water statio..

The Yr Wyddfa Ultra 50 is an exhilarating ultra-marathon set in the stunning Snowdonia National Park, specifically around the village of Betws-y-Coed. Covering a challenging distance of 45 miles with an elevation gain of 3,254 meters, this event invites experienced runners to navigate rugged mountai..

The RIDUM is an exciting 30-mile ultra marathon set in the scenic hills of South East Wales, specifically along the Rhymney Valley Ridgeway Walk. Participants will tackle a challenging course featuring 4,252 feet of elevation, offering breathtaking views and a diverse terrain that includes lanes, tr..

The Yr Wyddfa Ultra 100 is a challenging 102-mile ultramarathon set in the stunning Snowdonia National Park, featuring an elevation gain of 5788 meters. Scheduled for September 6, 2025, the event allows 250 participants to navigate the mountainous terrain, with checkpoints providing essential suppor..

The 2 Hillforts Hill Race is an exciting running event set to take place in 2024, starting and finishing at Plas Dolben Farm in Llangynhafal. Participants will tackle a challenging course that spans just under 9 miles, featuring a significant ascent of 2500 feet as it navigates the scenic Hillforts..

The Snowdonia Mountain Skills Weekend, organized by Running Adventures, offers an immersive experience for advanced trail runners looking to enhance their mountain skills. Set in the stunning Nantlle Valley, participants will engage in challenging runs, including steep climbs and navigation exercise..

The Trails & Tarmac Backyard Ultra is an exciting endurance 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..

The Abersoch Half Marathon is a scenic 13.1-mile race held in the picturesque seaside village of Abersoch, North Wales. The course features a mix of road and beach running, culminating in a vibrant finish along Abersoch Beach. Participants can expect a lively atmosphere with music, refreshments, and..

The Maverick X Series Afan Forest 2025 is an exciting trail running event set in the scenic Afan Forest Park, South Wales. Participants can choose from four routes: Ultra (50km), Long (42km), Middle (25km), and Short (10km), each featuring a mix of challenging terrain and beautiful landscapes. Runne..

The Pumsaint Trail Half Marathon is set to take place on September 21, 2025, featuring a challenging 13.1-mile course through scenic trails. Participants can also join a 6.5-mile fun run and children's races, promoting inclusivity for all ages. The event offers age category prizes for the half marat..

The Town to Tower 10K is an uphill race that takes participants from the charming market town of Ruthin to the summit of Moel Famau, located in the stunning Clwydian Hills. This unique 10K route offers a challenging experience for runners of all abilities, culminating at over 550 meters above sea le..