Snowdon24

Llanberis, United Kingdom • 11 Jul 2026

Snowdon24 is a 24-hour ultra trail running event held in Llanberis, within the stunning Eryri (Snowdonia) National Park, Wales. Participants challenge themselves to ascend and descend Yr Wyddfa (Snowdon), the highest mountain in England and Wales at 1,085 meters (3,560 feet), as many times as possible within 24 hours. The race offers solo categories over 50k, 100k, and 100 miles, and is UTMB-indexed, making it a great qualifier or preparation for the UTMB Mont Blanc. Teams of up to five can also compete in a relay format, fostering camaraderie and collective achievement. The event features professional timing, on-course support, rest areas, and a lively event village, all set against spectacular mountain scenery. Visit the organization's website for the most recent information.

Race information

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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