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Snowdon24

Llanberis, United Kingdom • 11 Jul 2026

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 categories including 50k, 100k, and 100-mile UTMB-indexed challenges, making it a potential UTMB Mont Blanc qualifier. It can also be run as a team relay (up to five runners). The atmosphere features a lively event village with toilets, food, shopping, music and live commentary, on-course support from marshals and Mountain Leaders, and themed finisher mementos, with proceeds aiding Cancer Research Wales. Visit the organization's website for the most recent information.

United Kingdom Wales Llanberis

Race information

Website Registration
100 mi
100 Mile Utmb-Indexed Challenge
100 km
100k Utmb-Indexed Challenge
50 km
50k Utmb-Indexed Challenge
Visit the organization's website for the most recent information.
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