Trail Running Calendar Wales 2025-2026

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..

The Gower Ultra 50, Ultra Bach, and Trail Race are three long-distance trail running events held in the Gower Area of Outstanding Natural Beauty (AONB) in Wales. Following the Wales Coast Path, the races showcase stunning coastal scenery including beaches, bays, coves, farmland, and fishing villages..

The Loop Ultra is a 32-mile (50 km) trail running event held in the remote Cambrian Mountains near Dolanog, Welshpool, Mid Wales. Starting and finishing at Camp Plas, a nature retreat offering eco-friendly camping and amenities, the course features marked trails, forest tracks, and ancient paths, pa..

The Breidden Hills Race, organized by Mercia Fell Runners, is an 11.5 km fell running event featuring a challenging total ascent of 790 meters. Held near Criggion Village Hall in the West Midlands, the race promotes safe and sustainable fell running. Entry is by pre-registration only, with an £8 fee..

Loggerheads Autumn Trails is an exciting running event featuring longer versions of popular 5k and 10k races, set in the scenic Loggerheads Country Park. Participants can choose from a 14k race, which consists of two loops of a 7k course, or a 7k Canicross discipline, welcoming runners of all abilit..

The Scare Bear Run in Aberdare, hosted by Saturn Running, is a unique 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 of approximately 4.37 miles (7km) on well-maintained paths offering beautifu..

The Brenig Way 50K Trail Race is a challenging ultramarathon that covers 50 kilometers through remote upland scenery in Wales. Starting in Corwen, participants follow a marked footpath along country lanes, forest tracks, and riverside paths, crossing notable landmarks such as Clocaenog Forest and Ll..

The Giddy Horse Backyard event is a unique running experience taking place at Chepstow Racecourse in Piercefield Park. Scheduled for October 25, 2025, it features various race formats including 8-hour, 12-hour, 24-hour, and relay options, all set on a scenic 4.167-mile loop that combines woodland, p..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races is an exciting running event taking place on October 26, 2025, at Chepstow Racecourse in the UK. Participants can choose from various race options, including a half marathon, 8-mile and 4-mile trail races, and steeplechase ob..

The Black Beacon Mountain Races, held in South Wales' Black Mountains and Brecon Beacons National Parks, offer four challenging trail running events: a 100-mile ultramarathon, a 50-mile ultramarathon, a 50km Ultra Bach, and a 21-mile trail race. The courses feature spectacular mountain scenery, incl..

The Black Beacon Mountain Trail Races are a series of challenging, linear long-distance trail runs held in South Wales, crossing the Brecon Beacons (Bannau Brycheiniog) and Black Mountains National Parks. Starting in Hay on Wye, the event offers four race distances: 100 miles (+7500m ascent), 50 mil..

The OTT Ultra Marathon is a challenging 30-mile trail race set in the scenic Brecon Beacons, South Wales. Starting in Merthyr Tydfil, the course follows the Taff Trail and riverside paths before ascending to Pen y Fan, the highest peak in South Wales at 886 meters. Runners then descend via Jacobs La..

Endurancelife Gower offers a series of trail running events including 10K, half marathon, marathon, and ultra distances set in the stunning Gower Peninsula, the UK's first designated Area of Outstanding Natural Beauty. The courses traverse diverse and challenging terrain such as cliff tops, woodland..

The Beacons Ultra is a challenging trail running event held in November in Talybont-on-Usk, Powys, at the foothills of the Brecon Beacons, Wales. It features three race distances: a 49-mile ultra consisting of two loops plus an out-and-back to Pen y Fan, a 26-mile marathon following a single loop of..

The Anglesey Trail Half Marathon and 10k is a scenic trail running event held in Newborough Forest and Llanddwyn Island, North Wales. The course features diverse terrain including single-track forest trails, sandy paths, and woodland routes that offer stunning views of the Llyn Peninsula and Snowdon..

The Trails & Tarmac 12hr Backyard Ultra is a challenging endurance running event held near Crickhowell in Powys, UK, set in the scenic Black Mountains. The race features a 4.2-mile loop combining equal parts trail and tarmac, with mostly flat terrain, one gradual climb, and a short steep section, pr..

Dusk Till Dawn The Winter Edition is a challenging 12-hour running event held at Bridgend Miniature Railway in South Wales. Participants tackle three distinct 10-mile mixed terrain routes, aiming to complete as many loops as possible from dusk until dawn. The course features varied terrain including..

The Margam Trail Races, organized by Trail Revolution, will take place in Margam Park on November 15, 2025. This event features a variety of race distances, including 5km, 10km, and a half marathon, designed to challenge participants on the park's scenic forest paths and woodland trails. The course..

The Slate Trail Ultra™ is a challenging trail running event held in Snowdonia, Wales, starting from Porth Penrhyn, Bangor. It offers two distances: the full Slate Trail Ultra at 145 km (90 miles) with 3,900m+ elevation gain, and the Ultra Tour of the Quarries at 88 km (55 miles) with 2,700m+ elevati..

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers...