Trail Running calendar near Merthyr Tydfil 2025-2026

The Butcombe Trail Ultra is a challenging trail ultramarathon held in the Mendip Hills, a designated Area of Outstanding Natural Beauty in the UK. It features two self-navigation race distances: 50 miles and 50 kilometers, both following a mostly off-road route that criss-crosses scenic countryside..

Saturn Running's "The Nearly But Not Quite London Marathon - Wales" takes place at Dare Valley Country Park in Aberdare. This inclusive event offers runners the flexibility to choose their distance within a 7-hour time challenge, with laps of approximately 4.37 miles (7km) on well-maintained footpat..

The East Devon Round is a challenging trail running festival held in East Devon, near Honiton, featuring ultra-distance races through stunning countryside. The main event covers approximately 68 miles with over 10,800 feet of elevation, passing through three National Landscapes, the Jurassic Coast W..

The Malvern Hills Ultra is a challenging ultra running event held in Worcestershire, starting and finishing at Abberley Village Hall. Scheduled for May 2, 2026, it offers multiple race distances: 23, 31, 38, and 47 miles, with the longest route featuring over 2,900 meters of ascent along the Worcest..

Rasus y Bannau is a challenging long-distance running event held in Brecon, Wales, featuring three race options: a 100 km ultra with 5100m ascent, a 75 km ultra with 3500m ascent, and a marathon of 43 km with 2000m ascent. All races start and finish in Brecon town center, traversing the scenic and r..

The HOWUM 2026 is a 30-mile ultra marathon set in the heart of Wales, starting and finishing in the picturesque town of Llanidloes. The challenging trail combines four iconic routes: the Sarn, Glyndwr’s Way, Severn Way, and Wye Valley Walk, leading runners through stunning Welsh landscapes including..

Tempo Trail Races 2026 is a weekend trail running event held in the scenic Cotswolds, based at Ilmington Sports & Social Club near Shipston On Stour. The event offers a variety of race distances to suit different levels, including a 100K Ultra, a new 50K Ultra, a Marathon, a Half Marathon, and a 10K..

The Sheinton Steeplchase is a 5.3 km cross-country race held near Sheinton Church by Cressage in the West Midlands. Featuring a total ascent of 100 meters, it offers a challenging yet accessible course that is not a traditional fell race but still highly regarded for its competitive and enjoyable na..

The Westcountry Ultra Flat 50 is a 50-mile point-to-point ultramarathon in Somerset, England, ideal for first-time 50-mile runners or those seeking a fast race. The course features a pancake-flat first half along the Taunton to Bridgwater Canal Path and the River Parrett Trail, with opportunities to..

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, held from June 5-7, 2026, is a trail and ultra running festival along the stunning Pembrokeshire Coast Path in Wales. This National Trail features dramatic cliffs, secluded coves, beaches, and estuaries, offering runners breathtaking coastal scenery. Participants can..

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..

The Cotswold Way Ultra Challenge is a premier endurance event held in the scenic Cotswolds, starting and finishing at Cirencester basecamp. Participants can choose from multiple distances including 100km, 75km, 50km, 25km, and a 10km option, suitable for walkers, joggers, and runners of all experien..

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..