Trail Running calendar near Mumbles 2025-2026

The Tenacious Ten Endurance Challenge is a demanding 10-hour loop race held at Mynydd Troed in the Black Mountains of Wales. Participants tackle a strenuous and technical 3.2-mile (5.1 km) loop featuring a harsh climb to the summit with stunning 360-degree views of the Black Mountains, Brecon Beacon..

The Westcountry Ultra Hilly 50 is a challenging 50-mile ultramarathon held in Somerset, England, starting and finishing at West Somerset College in Minehead. Featuring 7,337 feet of elevation, the course offers stunning scenery including ancient woodlands, rugged coastline, moorland, and picturesque..

The Westcountry Ultra 100 Miler is a challenging ultramarathon held in Somerset, UK, combining the Flat 50 and Hilly 50 routes into a 100-mile race with 9,538 feet of elevation. The course features diverse landscapes including canal paths, coastal trails, limestone formations, and Somerset’s highest..

The Sid Valley Ring Half Marathon, held in Sidmouth, Devon, follows the scenic Sid Valley Ring walking route. The 22km course features an uphill start, traversing quiet country lanes, footpaths, and picturesque villages such as Sidbury, Harcombe, and Salcombe Regis. Runners experience a climb to 236..

Endurancelife Exmoor is a challenging trail running event set in the rugged and scenic western area of Exmoor National Park, England. It offers four distances: 10K (6.3 miles), half marathon (13.3 miles), marathon (26.5 miles), and ultra marathon (31.8 miles), each featuring significant ascents rang..

The Epona 100 is a challenging 100-mile ultramarathon held in Abergavenny, featuring a demanding 17,000 feet of elevation gain. The course offers a stunning mix of iconic trails, including Offa’s Dyke, Cambrian Way, and Beacons Way, providing runners with breathtaking mountain passes and diverse ter..

The OTT Marathon & 10 Mile Race, held at Parkwood Dolygaer in Merthyr Tydfil, is a challenging mountain marathon set in the scenic Brecon Beacons. The marathon covers approximately 26.2 miles on a looped course featuring significant climbs, including Pen Y Fan, Fan Y Big, and Tor y Foel, with three..

The Pembrokeshire Coastal Races is a trail and ultra running festival held at Dale Hill Farm Campsite in Pembrokeshire, UK. Set along the stunning Pembrokeshire Coast Path, the event offers four challenging distances: 100 miles (6,300m ascent), 50 miles (2,850m ascent), 50K (1,850m ascent), and 22 m..

TSUNAMI Ocean Trails, organized by OuterEdge Events, is a rugged trail challenge along the North Devon and Cornish coastline. The event offers three distances: Ultra (Westward Ho! to Bude, 37 miles), Marathon (Clovelly to Bude), and Sixteen (Hartland Quay to Bude). The Marathon starts at Clovelly ha..

The VOGUM 2026 is a 40-mile ultra running challenge along the scenic Wales Coast Path, stretching from Porthcawl to Penarth in the Vale of Glamorgan. This event offers runners a chance to experience golden beaches, dramatic cliffs, and historic sites like Ogmore Castle and the famous stepping stones..

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 a scenic yet demanding trail experience. Originally popular from 1977 to 2001, the event was revived in 2015 with the h..

The Cheddar Gorge Challenge is a demanding off-road running event held at Warren Farm, Charterhouse, Somerset, within the stunning Mendip Hills Area of Outstanding Natural Beauty. Offering distances from 1km fun runs to a full marathon, the course features diverse terrain including open fields, flat..

The Jurassic Coast 100 is a challenging ultra running event held along the UNESCO World Heritage Jurassic Coast in South West England. Participants can choose from multiple distances: 33 km (Beer to Exmouth), 50 km (Lyme Regis to Exmouth), 70 km (Poole to Weymouth), 100 km (Weymouth to Exmouth), and..

The Boscastle Scramble is a challenging 26-mile self-navigated marathon along the stunning North Cornish Coast Path, running from Posh Rock on the Camel Estuary to the picturesque fishing village of Boscastle. Known as one of the toughest marathons in Cornwall, the course features significant elevat..

The Lundy Island Race, run by OuterEdge Events, is a unique trail-running challenge on Lundy Island in the Bristol Channel. Expect roughly 13.5 miles of wildlife-rich tracks tended by the Landmark Trust, linking all four corners of the island. Runners traverse the technical eastern coastal trail, th..

The PIGUM 2026 is a thrilling 30-mile ultra marathon set in Abergavenny, known as the Gateway to Wales. This challenging trail run features 5,000 feet of elevation, taking participants over mountain peaks and scenic trails, including the iconic Sugar Loaf mountain, which offers stunning panoramic vi..

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 nearly four-mile mountain trek up Plynlimon, known as Wales' most dangerous mountai..

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..