Ring O' Fire

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 Slate Trail Ultra, organized by APEX Running, is a challenging trail running event set in the scenic Snowdonia region of Wales. It offers two main distances: a 145km (90mi) ultra with 3,900m+ elevation gain and an 88km (55mi) Ultra Tour of the Quarries with 2,700m+ elevation gain. The course fol..

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..

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..

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..