Xterra Snowdonia Trail Marathon Eryri

Llanberis, United Kingdom • 12 Jul 2025

The XTERRA Snowdonia Trail Marathon Eryri is a premier trail running event set in the breathtaking landscapes of Snowdonia National Park, Wales. Participants can choose from various distances, including an Ultra Marathon, Marathon, Half Marathon, and 10K, all starting and finishing in Llanberis. The event showcases stunning trails, iconic views, and challenging climbs, making it one of the UK's most sought-after trail races. Additionally, the Marathon and Half Marathon serve as qualifiers for the XTERRA Trail Run World Championship, connecting runners globally through a competitive ranking system. The event promises a vibrant atmosphere with on-course support and unique finisher mementos. Visit the organization's website for the most recent information.

Race information

UTMB 50K
57 km
Ultra Marathon (57km)
27 mi
Marathon (27.3 Miles)
12 mi
Half Marathon (12.9 Miles)
10 km
10k
Visit the organization's website for the most recent information.
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