Trail Running Calendar Wales 2025-2026

The Spice Up Your Run event in Aberdare, Wales, invites participants to enjoy a fun and inclusive running experience while celebrating the iconic Spice Girls. Set in the scenic Dare Valley Country Park, this event allows runners and walkers of all abilities to complete a minimum distance of 5km with..

The Brecon to Cardiff Xtreme is a challenging 75-kilometer mountain ultramarathon traversing 11 major peaks between Brecon and Cardiff, featuring approximately 2,680 meters of ascent. This winter race demands advanced mountain running skills and fitness, with a linear route starting at Brecon's cana..

The St David's Day Dragon Run 2026, hosted by Saturn Running, takes place in the scenic Dare Valley Country Park, Aberdare, Wales. Celebrating the patron saint of Wales, this event offers a unique 7-hour time challenge where participants can choose their running distance, starting from a minimum of..

The Brecon to Cardiff Classic is a 70-kilometer ultra running event held annually in Wales, following the scenic Taff Trail from Brecon in the Brecon Beacons National Park to Nantgarw near Cardiff. The fully marked, one-way course showcases diverse landscapes, starting with dramatic mountain scenery..

The Loggerheads Trail 5k & 10k is a popular trail running event set to take place in March 2026 at Loggerheads Country Park. Participants can choose from three race options: a 5k Trail, a 5k Canicross Trail, and a challenging new 10km route. The courses feature a variety of terrains, including river..

The Hateful 8 Loopy Ultra is an endurance running event held at Bridgend Miniature Railway in Aberkenfig, Bridgend, South Wales. Participants tackle a challenging 9-mile mixed terrain loop featuring a tough hill, scenic road sections with stunning views, and a technical downhill forestry trail. Runn..

The Beast of the Blacks is a challenging trail running event held in the stunning Black Mountains of Wales, starting and finishing at Llanbedr Hall near Crickhowell. Scheduled for March 14, 2026, it offers three distances: 11 miles (17 km), 20 miles (32.5 km), and 40 miles (65 km), with significant..

The Brynkinalt Running Festival, held on the private Brynkinalt Estate in Wrexham, offers trail running and canicross events over two days. Participants can choose from approximately 5k and 10k distances, suitable for various ages and abilities, with minimum ages of 12 for 5k and 16 for 10k. The cou..

The Nant Yr Arian Silver Trail Races, set in the stunning Cambrian Mountains, offer participants a choice of challenging routes, including a Half Marathon and a 10km race, suitable for both beginners and experienced runners. The event also features children's races for various age groups. With fully..

The Moel Famau Easter 'Piece of String' Race is a fun and inclusive outdoor event held at the start of the Easter holidays. Participants can enjoy a scenic run on the region's popular hill, with routes ranging from 6 to 12 kilometers that are well-marked and marshalled. The race features hilly terra..

The Pendine Sands Races, held at Pendine Beach in Wales, offer runners the unique experience of racing on firm, flat sands famously used for land speed records. The event features 5k, 10k, Half Marathon, and Full Marathon distances, all run along the beach with out-and-back courses marked by race ma..

The Vale Coastal Races, held along the stunning Vale of Glamorgan coastline in Wales, offer three trail running distances: a 32.5-mile ultra, an 18.5-mile "mini ultra," and a 10-mile race. The ultra race follows a linear route from Penarth Pier to Ogmore-by-sea, hugging clifftops and passing 19 beac..

The Summit 2 Sea - Offa's Dyke Half Marathon is a challenging spring race covering approximately 13.8 miles from the summit of Moel y Parc to the coast at Prestatyn. Runners will ascend over 2,450 feet, starting at over 1,300 feet above sea level, along the scenic Offa's Dyke National Trail. The cou..

The Llangollen Fell Race, hosted by Run Free Fell Runners in North Wales, is a popular annual event featuring two scenic routes: a challenging 17-mile course with 3000ft of elevation and a shorter 10-mile route ascending 1969ft. Both start at Dinas Bran Leisure Centre and offer stunning views of Tre..

The MTC Gelert is a challenging 47-mile ultra marathon held in Wales, starting from Barmouth and finishing in Llanidloes. The race follows the scenic National Cycle Route 8, offering a spectacular course through varied terrain. It is part of the Mount to Coast End to End Challenge Series and serves..

The Beast of the Beacons is a challenging trail running event held in the stunning Brecon Beacons National Park, starting and finishing at Llangynidr Village Hall. Offering 10, 20, and 40-mile distances, the course features a mix of harsh climbs, rocky paths, forest trails, rivers, and reservoirs, w..

The MTC Afanc is a challenging 39.8-mile ultra marathon held in Wales, starting at the River Wye Activity Centre in Glasbury and finishing at the Travelodge in Merthyr Tydfil. The entire route follows the scenic National Cycle Route 8, offering a mix of ascent and descent totaling over 4,000 feet. T..

MTC Y Draig Goch is a challenging 34.8-mile ultra running event held in Wales, starting from Travelodge in Merthyr Tydfil and finishing at Marco's Cafe on Barry Island. The race follows the scenic National Cycle Route 8, offering a route with 2,486 feet of ascent and 2,996 feet of descent through va..

The North Wales 50km & 100km is a scenic ultramarathon event along the North Welsh coastline, starting at the Nova Centre in Prestatyn and finishing in Bangor. The 50km route covers 53.8km with 2,700ft of ascent, reaching the beach at West Shore, Llandudno. The 100km course follows the entire North..

Endurancelife's Pembrokeshire event offers a stunning coastal trail running experience in Britain's only coastal National Park, known for its rugged cliffs, sandy bays, and picturesque villages. Participants can choose from 10K, half marathon, marathon, and ultra distances, featuring challenging yet..