Trail Running calendar near Haverfordwest 2025-2026

The North Coast 110 is a challenging ultra marathon event taking place along the rugged North Coast of the South West peninsula. Scheduled for October 3-4, 2025, participants can choose from four distances: 110 miles, 110 km, 65 km, and 57 km. The course features significant elevation gains, with th..

The Gower Ultra 50, Ultra Bach & Trail Race is a series of long-distance trail races set along the stunning Wales Coast Path in the Gower Area of Outstanding Natural Beauty. Participants can choose from three race options: the Gower Ultra 50, which circumnavigates the Gower peninsula, the Gower Ultr..

The Black Beacon Mountain Trail Races are long-distance running events set in the stunning landscapes of the Bannau Brycheiniog (Brecon Beacons) and Black Mountains. Participants can choose from four race distances: 100 miles, 50 miles, 50k, and 21 miles, all culminating in Pontneddfechen. The races..

Endurancelife Gower offers a range of trail running events, including a 10K, half marathon, marathon, and ultra marathon, all set in the stunning natural beauty of Gower, the UK's first Area of Outstanding Natural Beauty. Participants can enjoy breathtaking views of cliff tops, woodlands, sand dunes..

The Beacons Ultra is a thrilling running event featuring three race distances: a 49-mile ultra, a 26-mile marathon, and a 13-mile half marathon. Set in the picturesque town of Talybont-On-Usk, nestled in the Brecon Beacons, the event showcases a mix of trails, mountains, canals, and roads. Participa..

Dusk Till Dawn The Winter Edition is an exciting running event organized by Mad Running Junkies, set in the scenic Bridgend area of South Wales. Participants will tackle three 10-mile routes over a 12-hour period, starting at dusk and finishing at dawn. This unique challenge, a longer and more thril..

The Margam Trail Races, scheduled for November 15, 2025, invite participants to explore the scenic trails of Margam Park during the autumn season. The event features three race distances: a half marathon (21.1km), a 10km race, and a 5km fun run, each designed to challenge runners of all levels. The ..

The Winter Celtic Trail Races, taking place in December 2025, offer a thrilling trail running experience across three distances: a 50k ultra, a full marathon, and a half marathon. Set in the stunning landscapes of Afan Forest and the Rhigos mountain range, participants will navigate ancient Celtic t..

The Nightmare Before Xmas Trail ½ Marathon is an exciting and challenging running event set to take place at the Bridgend Miniature Railway Centre. Participants will tackle a mixed terrain course that includes an 8-mile section known as The Hateful Eight, followed by an additional grueling 5 miles f..

The MTC Afanc is a challenging ultra marathon event covering approximately 39.8 miles along the scenic National Cycle Route 8, from Glasbury to Merthyr Tydfil. Scheduled for April 18, 2026, it is part of the Mount to Coast End to End Challenge Series and serves as Day 5 of the CYMRUN, a six-day endu..

The MTC Y Draig Goch is a challenging ultra-running event set for April 19, 2026, covering a distance of 47 miles. It is part of the Mount to Coast End to End Challenge Series and takes participants along the scenic National Cycle Route 8, starting from Travelodge in Merthyr Tydfil and finishing at ..