Trail Running calendar near Swansea 2025-2026

TSUNAMI Ocean Trails is a challenging trail running event set along the rugged and remote North Devon and Cornish coastline in the South-West of England. The event features three race distances: an Ultra 37-mile race from Westward Ho! to Bude, a Marathon starting at Clovelly harbour, and a 16-mile r..

The Two Tunnels Races, held in Bath, UK, offer a unique running experience featuring the longest underground sections in the UK. The course passes through the historic Devonshire Tunnel (408m) and Combe Down Tunnel (1672m), both well-lit and surfaced, providing a flat and scenic route beneath the ci..

Offa's Dyke 15 is a renowned off-road running event held in Hay-on-Wye, Hereford. The race covers a challenging 15-mile course along the historic Offa's Dyke path, offering runners scenic and rugged terrain. Originally popular from 1977 to 2001, the event was revived in 2015 with the help of the ori..

The Cheddar Gorge Challenge is a scenic running event held at Warren Farm, Somerset, within the Area of Outstanding Natural Beauty of the Mendip Hills. Participants can choose from various distances including 1km, 3km, 6km, 10km, half marathon, and marathon, with routes featuring breathtaking views..

The Lundy Island Race is a unique half marathon trail running event held on Lundy Island in the Bristol Channel, UK. Covering 13.5 miles, the course traverses all four corners of the island, including technical eastern coastal trails, undulating western clifftops, and the central spine, offering run..

The Severn Challenge is a grueling 220-mile, five-day multistage ultra marathon in the UK, following the longest riverside path from the source of the River Severn in Wales to its mouth. The race is divided into five unique stages ranging from 26 to 59 miles each, with a total ascent of over 3,000 m..

The MTC Hafren Ultra is a challenging 27-mile point-to-point ultra marathon held in Wales, starting at Rhyd-y-benwch picnic area and finishing at the Mid Wales Arts Centre in Caersws. The race begins with a demanding four-mile mountain trek up Plynlimon, known as Wales' most dangerous mountain due t..

The MTC Severn Plod Ultra is a challenging 48-mile point-to-point ultra marathon starting at the Mid Wales Art Centre in Maesmawr and finishing in Shrewsbury. The scenic route passes through diverse landscapes including Holly Bush, Rhyd-y-felin, Dolerw Park, the Gorsedd stone circle, Montgomery Cana..

The Black Mountains 50 is a challenging ultra running event held at Longtown Village Hall, Herefordshire, serving as a gateway to the Black Mountains. Scheduled for July 11, 2026, it features four distances: 50-mile and 32-mile ultras, a marathon, and a half marathon. All courses require self-naviga..