Slate Trail Ultra

The Brutal Extreme Triathlon takes place in Llanberis, North Wales, starting at Lake Padarn. The event offers Canol (Half), Mawr (Full), Cawr (Double), and Triple distances, with a 1.25 km swim in Llyn Padarn, a 28-mile bike loop through dramatic Welsh scenery, and lake laps totaling about 5 miles,..

Anglesey Trail Half Marathon & 10k 2025 takes place in Newborough Forest and Traeth Llanddwyn on Anglesey, UK. The event offers two trail distances: a 10-kilometre route and a half-marathon (21.1km). Runners traverse forest trails, single-track paths, and sandy sections with views of the Llyn Penins..

The Guided Trail Run in Dolwyddelan offers participants a scenic 10km route beginning in the charming village. The run features a leisurely start along the river, followed by a climb to Ty Mawr, where runners can enjoy stunning views of the village below. The course winds through beautiful forested..

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..

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..

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..