Trail Running calendar near Narberth 2025-2026

The Hateful 8 Loopy Ultra is an endurance running event held at Bridgend Miniature Railway in Aberkenfig, Bridgend, South Wales. Participants tackle a challenging 9-mile mixed terrain loop featuring a tough hill, scenic road sections with stunning views, and a technical downhill forestry trail. The..

The Beast of the Blacks is a challenging trail running event held in the stunning Black Mountains of Wales, starting and finishing at Llanbedr Hall near Crickhowell, Powys. Offering 10, 20, and 40-mile distances, the course features marked routes with significant elevation gains (up to 9,106 feet fo..

The Nant Yr Arian Silver Trail Races take place in the scenic Cambrian Mountains, offering a choice of challenging and varied terrain for trail runners. Participants can choose between a Half Marathon and a 10km race, both suitable for beginners and experienced runners, with no cut-off time. The eve..

The Pendine Sands Races, held at Pendine Beach in Wales, offer a unique running experience on firm, flat sand famously used for land speed records. The event features multiple distances: 5k, 10k, Half Marathon, Marathon, and a new Ultra of 32.8 miles, all run on a well-marked out-and-back course alo..

Steaming to the Coast is a unique trail running event held along the scenic West Somerset Railway in Minehead, Somerset. Utilizing the UK's longest standard gauge steam railway, participants ride a steam train from Minehead to Bishops Lydeard before embarking on their runs. The event offers three di..

The Vale Coastal Races, held along the scenic Vale of Glamorgan coastline in Wales, offer three trail running distances: a 32.5-mile ultra marathon, an 18.5-mile "mini ultra," and a 10-mile race. The ultra race starts at Penarth Pier and follows the Wales Coastal Path, featuring clifftop trails, 19..

The MTC Afanc is a challenging 39.8-mile ultra marathon held in Wales, starting at the River Wye Activity Centre in Glasbury and finishing at Merthyr Tydfil. The entire route follows the scenic National Cycle Route 8, offering runners a spectacular course with an ascent of over 4,200 feet and descen..

The Beast of the Beacons is a challenging trail running event held in the stunning Brecon Beacons National Park, starting and finishing at Llangynidr Village Hall. Scheduled for April 18, 2026, it offers three distances: 10, 20, and 40 miles, with elevation gains up to 8,438 feet on the longest cour..

Cymoedd Sir Fynwy is a challenging mountain walking event organized by South Wales LDWA, held in Abergavenny, Wales. It features three distance options: 50 miles, 30 miles, and a new 20-mile route, all exploring the rugged terrain of the Black Mountains and the World Heritage Site of the Forgotten L..

The MTC Y Draig Goch is a challenging 34.8-mile ultra running event held in Wales, starting from Travelodge in Merthyr Tydfil and finishing at Marco's Cafe on Barry Island. It forms Day 6 of the six-day MTC CYMRUN, part of the Mount to Coast End to End Challenge Series. The route follows the scenic..

Endurancelife's Pembrokeshire event offers a stunning coastal trail running experience within Britain's only coastal National Park. Participants can choose from 10K, half marathon, marathon, and ultra distances, ranging from 7.5 to 34.7 miles, featuring challenging, undulating terrain across grass,..

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..

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 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 tough 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..

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 and..

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..

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..

Ultra Wales 50 is a challenging 51-mile mountain and trail race held in Coed-y-Brenin, Southern Snowdonia, Wales. Featuring 2,898 meters of ascent, the course includes iconic landmarks such as Cadair Idris Penygader (893m), Rhinog Fach (712m), Dolgellau, and the Barmouth estuary. The race offers a 2..

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..