Trail Running Calendar Wales 2025-2026

Tenacious Ten Hour Endurance Challenge is held at Mynydd Troed, Pengenfford Common, near Talgarth, Powys, Wales (LD3 0EY). Each loop is about 4.3 miles (6.9 km) with roughly 1,679 ft (511 m) of ascent. The course is a fully marked loop on rugged terrain, delivering dramatic 360-degree views of the B..

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..

True Grit Trail Half Marathon, staged by Mad Running Junkies, is set at Bridgend Miniature Railway Centre in Aberkenfig, Tondu, Bridgend (CF32 0EH). The 13.1-mile route blends mixed terrain—killer hills, a quarry section (the Hill of Doom), a downhill forestry trail—and offers dramatic views. Runner..

OTT Trail Marathon is set in the Brecon Beacons, with Start and Finish at Parkwood Dolygaer, Merthyr Tydfil. The event features a looped marathon of about 26.2 miles and a 10-mile race as an alternative. Runners climb to high mountain trails with stunning views, taking in Pen y Fan from Graig Fan Dd..

Pembrokeshire Coastal Races is a trail/ultra-running festival along the Pembrokeshire Coast Path, centered at Dale Hill Farm Campsite in Dale (SA62 3QX). Runners choose from four distances: 100-mile ultra (St Dogmaels to Dale), 50-mile ultra (Porthgain to Dale), 50K ultra (St Davids to Dale), and 22..

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..

Ultra Wales 50 is a 51-mile mountain and trail ultramarathon set in southern Snowdonia, Wales. The route starts and finishes at the Coed-y-Brenin Visitor Centre near Dolgellau, climbing to Cadair Idris (893m) and Rhinog Fach, with views across Dolgellau, the Barmouth estuary, and the forested Coed-y..

Lake Vyrnwy 10k is a trail/multiterrain running event staged on private land within the Lake Vyrnwy Estate near Llanwddyn. The approximately 10-kilometre course combines fast footpaths, grassy sections, rocky stretches and some tarmac, with climbs and sweeping views over the water. The event aims to..

Lake Vyrnwy 10k is a trail/multiterrain race around the Lake Vyrnwy Estate near Llanwddyn, organized by Adrenaline Sporting Events. The approx 10-kilometre course traverses fast footpaths, grassy sections, rocky stretches and some tarmac, with a mix of climbs and fast downhills and breathtaking view..

Welsh 3000's Ultra Run is a guided mountain day across Snowdonia in North Wales, covering 30 miles (50 km) and 4,000 meters of ascent. The route traverses Snowdon’s ranges—the Snowdon range, Carneddau, Glyderau—and includes Crib Goch traverse. The event is not a race but a guided mountain run design..

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 Day 1 of the MTC Severn Challenge, a point‑to‑point ultra that starts at Rhyd-y-benwych picnic area near Llanidloes and finishes at the Mid Wales Arts Centre in Caersws, Newtown. The 27‑mile route climbs from the source of the Severn, beginning with a near four‑mile climb up..

The MTC Severn Plod Ultra is a 48-mile ultramarathon along the River Severn, starting at the Mid Wales Art Centre in Caersws and finishing in Shrewsbury. Runners follow a scenic route that initially stays inland, then rejoins the Severn at Dolerw Park, passing the Gorsedd stone circle and the Montgo..

Yr Wyddfa Snowdon24 is a 24-hour ultra trail race based in Llanberis at the foot of Yr Wyddfa (Snowdon), the highest peak in Snowdonia and in England and Wales, at 1,085 m (3,560 ft). Runners attempt to ascend and descend the mountain as many times as possible within 24 hours. The event offers solo..

Snowdonia Trail Marathon Eryri in Llanberis, North Wales, offers a choice of 10k, half marathon, marathon, and ultramarathon routes across Snowdonia’s rugged trails. The course winds around iconic hills, with climbs toward Yr Wyddfa (Snowdon) and sweeping views over Eryri’s mountains and lakes. The..

Dawn Two Dusk is a 12-hour running challenge at Bridgend Miniature Railway in Bridgend, South Wales. Three 10-mile routes are offered, with participants aiming to complete as many laps as possible within the time limit, the winner by total mileage. The mixed-terrain course features a killer hill, fe..

Rabbit Run Wales is a series of stunning trail races staged on the private Merthyr Mawr Estate on the South Wales coast, inside the Merthyr Mawr Warren National Nature Reserve, a wildlife haven. The event offers a 12K route through diverse trails, with hills, valleys, a river crossing and an exhilar..

Gower Peninsula Ultra Challenge takes place on the Gower Peninsula in South Wales, Britain’s first Area of Outstanding Natural Beauty. Distances include 100km, 50km, a marathon (42km), 25km and 10km. The route is a figure‑of‑eight, with western and eastern loops that reveal the peninsula’s beaches,..

The Welsh 3000 Challenge (14 Peaks) is a guided mountain challenge in Snowdonia, based at Capel Curig. Participants climb all 14 peaks over 3,000 ft in a continuous circuit, including Snowdon, Crib Goch, the Glyders, Tryfan, and the Carneddau. Two formats are on offer: a 20-hour challenge or a two-d..