Trail Running Calendar Wales 2025-2026

Dragon’s Back Race® is a legendary six-day, multi-stage ultra running journey along the spine of Wales. The Full Dragon covers about 380km with 16,400m of ascent, starting at Conwy Castle and finishing at Cardiff Castle. Run every September, the route traverses dramatic Welsh terrain across six days..

The Dee Way 120 is a challenging ultra-distance trail race following nearly the entire 120-mile course of the River Dee from Llanwchllyn to Prestatyn in North Wales. The route traverses diverse and scenic landscapes, including valleys, historic villages, and coastal paths, offering breathtaking view..

RunThrough Snowdonia Sea2Sky 53k & 25k Trail Races, a brand-new RunThrough event set in Snowdonia, takes place on Saturday, 6 September 2025 in Barmouth. Runners can choose between 25k and 53k trail distances, designed to challenge participants on scenic routes with amazing views. The course is mars..

The RIDUM 2025 is a 30-mile ultra around the Rhymney Valley Ridgeway Walk in South East Wales, near Caerphilly. The route climbs 4,252 feet through lanes, trails and woodland, with ridge-top views and Mynydd Machen (362m) as the high point. Expect a friendly Pegasus atmosphere, with three checkpoint..

Yr Wyddfa Ultra 50 is a 45-mile mountain ultramarathon in Snowdonia National Park (Eryri), with around 3,254 metres of ascent and space for up to 500 entrants. The route starts and finishes at Cae Llan/Village Green, Betws-y-Coed, following the Snowdonia Slate Trail from the Swallow Falls area up to..

The Yr Wyddfa Ultra 100 is a challenging 102-mile ultramarathon held in Snowdonia National Park, Wales, featuring 5,788 meters of ascent across stunning mountainous terrain. The race starts and finishes in Betws-y-Coed and includes 10 well-supported checkpoints offering refreshments and medical aid...

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 2025 is a trail running event held in the Nantlle Valley within Snowdonia National Park, UK. Hosted by Running Adventures, the weekend focuses on advanced trail runners aiming to enhance their mountain running skills and safety knowledge. Participants experience..

Trails & Tarmac Backyard Ultra (Summer BYU) takes place near Crickhowell in the Black Mountains, Powys. The course features a 4.167-mile loop that is half trail and half tarmac, with a single gradual climb and a short steep section. Designed for speed on largely flat terrain, the event uses an open-..

The Fraggle Run in Aberdare, hosted by Saturn Running, is a 7-hour time challenge event set in the scenic Dare Valley Country Park. Participants can choose their distance, starting from a minimum of 3km, with laps measuring approximately 4.37 miles (7km) on well-maintained footpaths offering beautif..

The Brutal Extreme Triathlon takes place in Llanberis, North Wales, starting at Lake Padarn. The event offers Canol (Half), Mawr (Full), Cawr (Double), and Triple distances, with a 1.25 km swim in Llyn Padarn, a 28-mile bike loop through dramatic Welsh scenery, and lake laps totaling about 5 miles,..

The Maverick X Series Afan Forest 2025 is a trail running event set in the scenic Afan Forest Park, South Wales. Offering four route options—Ultra (50 km, 1133 m elevation), Long (42 km, 970 m), Middle (25 km, 625 m), and Short (10 km, 232 m)—the course features a mix of hard-packed gravel trails an..

The Abersoch Half Marathon is a scenic 13.1-mile race held in the charming seaside village of Abersoch on the Llyn Peninsula, North Wales. The course primarily follows roads through the villages of Llanengan, Llangian, and Sarn Bach, culminating in an exhilarating final kilometer along Abersoch Beac..

Pumsaint Trail Half Marathon, held at Pumsaint village hall in Llanwrda, United Kingdom, is a scenic, hilly half marathon set in the Cothi valley. The event also features a 6.5-mile fun run and children’s races on an approximately one-mile woodland course with single-track paths. The atmosphere emph..

The Town to Tower 10K is an uphill race starting in the market town of Ruthin, North Wales, and finishing at the summit of Moel Famau, the highest point in the Clwydian Hills. This challenging 10-kilometer course ascends to the Jubilee Tower at over 550 meters above sea level, offering stunning view..

Run The Trails Series - Margam takes place at Margam Country Park in Margam, Neath Port Talbot (SA13 2TJ). The event offers 5K and 10K routes through the park’s trails, with the 10K being a repeat of the 5K lap. Runners can enjoy scenic backdrops and castle views within the park’s iconic landscape.T..

Set on the Gower Peninsula in the Gower AONB, the Gower Ultra 50, Ultra Bach & Trail Race follows the Wales Coast Path for three linked coastal endurance challenges. The Ultra 50 completes a full circumnavigation of the peninsula; Ultra Bach is 34 miles and the Trail Race 23 miles, with the later se..

Set in the Cambrian Mountains, The Loop Ultra is a 32-mile trail race starting and finishing at Camp Plas, near Dolanog, Welshpool, in Mid Wales. The marked route threads forest tracks and ancient paths toward Lake Vrynwy, offering dramatic views across the Shropshire Hills and Snowdonia; red kites..

Rad Dau Gopa Aberystwyth Twin Peaks Race takes place on Aberystwyth Promenade, featuring Senior and Junior runners. The senior race covers 11.7 km (7.3 miles) with about 237 metres of ascent, mostly on-road with a few off-road sections, starting and finishing at the Bandstand. Runners tackle two loc..

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 requires pre-registration and is open t..