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Xterra Snowdonia Trail Marathon Eryri

Llanberis, United Kingdom • 11 Jul 2026

The XTERRA Snowdonia Trail Marathon Eryri is a premier trail running event held in Llanberis, North Wales, within the stunning Eryri (Snowdonia) National Park. Offering four race distances—Ultra Marathon (57 km), Marathon (27.3 miles), Half Marathon (12.9 miles), and 10k (9.8 km)—the event features challenging routes that circumnavigate and climb iconic locations such as Yr Wyddfa (Mount Snowdon), Rhyd Ddu, Beddgelert, Nant Gwynant, and Pen y Pass. Known for its breathtaking scenery, tough climbs, and vibrant atmosphere, the race is part of the XTERRA Trail Run World Series and is UTMB-indexed. The event includes a lively village with music, food, and family-friendly activities, supporting the local community and mountain rescue. Visit the organization's website for the most recent information.

United Kingdom Wales Llanberis

Race information

Website Registration
57 km
Ultra Marathon
27 mi
Marathon
13 mi
Half Marathon
10 km
10k
Visit the organization's website for the most recent information.
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