Trail Running calendar near Abersoch 2025-2026

Ogwen | Yr Helgi Du 2026 is a high-country sky-running challenge in Eryri’s Ogwen Valley, based at Plas y Brenin, Capel Curig. Runners choose from three demanding distances: 40km, 25km, and 15km, each threading epic mountain routes across the Carneddau Front Range and the Glyderau, with the highest..

MTC Gelert is a 47-mile ultramarathon from Barmouth to Llanidloes in mid-Wales. Day 3 of the Mount to Coast End to End Challenge and CYMRUN, the route stays largely on National Cycle Route 8, finishing with a short final stretch into Llanidloes. The event embraces a cup-free, self-supported ethos, w..

Chester Ultra 100 is a 102-mile ultramarathon held in Chester, run by GB Ultras. The route climbs about 1590 metres and follows the Sandstone Trail, the Marches Way by the River Dee, Helsby Hill, Frodsham, Beeston Castle, Delamere Forest and the Bridgewater Canal, with 12 checkpoints along the cours..

Shropshire Way 80K Festival is a multi-route trail event run by the Shropshire Hills Discovery Centre in Craven Arms, Shropshire. On 18 April 2026, participants can choose from four routes: SW80K (50 miles, 24-hour limit), Mammothon (26 miles, 12 hours), Half Mammothon (13 miles, 6 hours) and Tusker..

The North Wales 50km & 100km is a scenic ultramarathon event along the North Welsh coastline, starting at the Nova Centre in Prestatyn and finishing in Bangor. The 50km route covers 53.8km with 2,700ft of ascent, reaching the beach at West Shore, Llandudno. The 100km course follows the entire North..

Endurancelife's Pembrokeshire event unfolds in Little Haven, Pembrokeshire, Britain’s coastal National Park celebrated for rugged cliffs and sea views. The trail offers four distance options: 10K (7.5 miles), Half Marathon (13.4 miles), Marathon (27.3 miles), and Ultra (34.7 miles). Courses mix gras..

Welsh 3000's Ultra Run is a guided mountain day in Snowdonia, North Wales. The route covers roughly 30 miles (about 50 km) with around 4,000 meters of ascent across the 15 Welsh 3,000-ft peaks, including Snowdon, the Carneddau and the Glyderau, and features the awe-inspiring Crib Goch traverse. It i..

The HOWUM 2026 is a 30-mile ultra in mid-Wales, starting and finishing in Llanidloes. The route forms the Heartlands of Wales circular, merging four trails—the Sarn, Glyndwr’s Way, Severn Way and Wye Valley Walk—toward the source of the River Severn and back, with no time limits. Runners pass landma..

Rasus y Bannau (The Beacon Races) are three long-distance mountain running challenges organized by Run Walk Crawl, starting and finishing in Brecon and circling the Bannau Brycheiniog National Park. Runners choose from 100km, 75km Ultra Trail, or Marathon, with ascents of roughly 5,100m, 3,500m, and..

24 Hours South - The Offa's Dyke Ultra is a challenging 24-hour endurance event starting from Prestatyn on the North Wales coast, following the Offa's Dyke National Trail southwards. Participants, either solo or in teams of 2 to 4, aim to cover as much distance as possible along this scenic and dema..

The Tenacious Ten Hour Endurance Challenge is a timed loop race on Saturday 9 May 2026 at Mynydd Troed, Pengenfford Common, near Talgarth, Powys (LD3 0EY). The event is organised by Limitless Trails and has a strict 10 hour cut-off; any lap not completed before the final horn will not be recorded...

Ultra-Trail Snowdonia by UTMB is part of the UTMB World Series. The event takes place in Eryri Snowdonia, North Wales, and is scheduled for 15 - 17 May 2026. The races run on trail terrain with large amounts of elevation gain. The event page notes the 2025 edition involved more than 2,800 runners f..

Ultra Wales 50 is a 51-mile mountain and trail ultra staged by GB Ultras, based at Coed-y-Brenin Visitor Centre near Dolgellau in southern Snowdonia. The route climbs about 2898m and visits Cadair Idris and Rhinog Fach, plus Dolgellau, the Barmouth estuary and the Coed-y-Brenin forest. The race feat..

Lake Vyrnwy 10k is a trail/multiterrain running event on the Lake Vyrnwy Estate near Llanwddyn, Powys. The 10-kilometre route traverses private land on the estate and is not advertised to respect landowner wishes, offering lake views with a mix of fast footpaths, grassy sections, rocky stretches and..

The Lake Vyrnwy event is a trail, multi-terrain race of approximately 10k set around the Lake Vyrnwy estate. The route stays on private land in Llanwddyn and includes a mix of fast footpaths, grass, stony sections and short stretches of tarmac. The course features climbs and fast downhill sections..

Welsh 3000's Ultra Run is a guided, non-race day in Snowdonia, North Wales, covering the 15 Welsh 3,000 ft peaks—including Snowdon, Carneddau and Glyderau—with the Crib Goch traverse. The route is about 30 miles (50 km) with around 4,000 m of ascent. It is a guided mountain run that removes logistic..

The Severn Challenge, also known as The MTC Severn Challenge, is Ultra Running Ltd's flagship five-day multiday ultra along the River Severn. It covers about 220 miles from the Hafren source to the Severn’s mouth, split into five stages: Hafren (26 miles), Severn Plod Ultra (47), Severn Path Ultra (..

The MTC Hafren Ultra is Day 1 of the MTC Severn Challenge, a Wales-based point-to-point ultra. The 27-mile route begins at Rhyd-y-benwch picnic area near Llanidloes, climbs to the Severn’s source on Plynlimon through boggy, exposed terrain, then follows Britain’s longest river path back to the finis..

The MTC Severn Plod Ultra is a 48-mile point-to-point ultramarathon starting at the Mid Wales Art Centre, Maesmawr, Powys. The route initially runs away from the River Severn, then rejoins at Dolerw Park, passing the Gorsedd stone circle and Newton’s Eisteddfod site before following the Severn towar..

The MTC Severn Path Ultra is a 60-mile point-to-point ultramarathon organized by Ultra Running Ltd. It starts at The Premier Inn, Shrewsbury, and finishes at Travelodge Worcester, tracing a river-hugging route that passes landmarks such as Atcham, Cressage, Buildwas, Ironbridge, Jackfield and Coalpo..