Trail Running calendar near Llanfairpwllgwyngyll 2025-2026

The Beast of the Blacks is a trail running event held on Saturday 14 March 2026 from Llanbedr Hall, Nr Crickhowell, Powys (NP8 1SR). The event offers three marked routes with GPX files available: 11 miles / 17 km 20 miles / 32.5 km 40 miles / 65 km Minimum age to enter is 17. Entry fees listed ar..

The Nant Yr Arian Silver Trail Races take place on 14 March 2026 at Nant Yr Arian in the Cambrian Mountains. The event is organised by Aberystwyth Athletic Club and is the ninth edition. Routes are in mountain terrain, fully signed and waymarked, with marshals and GPX files available as backup. The..

The Moel Famau Easter 'Piece of String' Race is a fun and inclusive outdoor event held at the start of the Easter holidays. Participants can enjoy a scenic run on the region's popular hill, with routes ranging from 6 to 12 kilometers that are well-marked and marshalled. The race features hilly terra..

The Summit 2 Sea - Offa's Dyke Half Marathon is a challenging spring race covering approximately 13.8 miles from the summit of Moel y Parc to the coast at Prestatyn. Runners will ascend over 2,450 feet, starting at over 1,300 feet above sea level, along the scenic Offa's Dyke National Trail. The cou..

The Llangollen Fell Race, hosted by Run Free Fell Runners in North Wales, is a popular annual event featuring two scenic routes: a challenging 17-mile course with 3000ft of elevation and a shorter 10-mile route ascending 1969ft. Both start at Dinas Bran Leisure Centre and offer stunning views of Tre..

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..

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..

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..

PFW Running's Brockholes Bimble is staged at Brockholes Nature Reserve in Preston. The event offers 10K, half marathon, marathon and ultra distances, with a multi‑lap course around the reserve. Runners traverse paths that circle several lakes, the River Ribble, and woodlands.The 10K is one lap plus..

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..

PFW Running presents the Cottam Canter at the UCLAN Sports Arena in Cottam, Preston. Distances are offered on one course: 5K loop; 10K as two loops; half marathon as four loops plus a short out-and-back; marathon as eight loops plus a short out-and-back; and an ultra with unlimited laps within a six..

Avenham Amble is a multi-distance running event in Preston’s parklands, centered on Avenham Park by the River Ribble. The programme offers 10K, half marathon, marathon and ultra distances. The course runs on hard-surface paths through Avenham Park, Miller Park and Upper Farm Nature Reserve & Leisure..

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..

The Tatton Park Wild Trail Runs take place on 31 May 2026 at Tatton Park in Cheshire. The event is held on mixed terrain: trail paths, grass, woodlands and some tarmac. Canicross entrants are welcome. All finishers receive a medal, Wild Deer merchandise, a snack and a drink. 10 km Half Marathon (..

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..