Ultra-Trail Snowdonia by UTMB — UTS 100K
May 15, 2026
Llanberis, United Kingdom
About
Ultra-Trail Snowdonia by UTMB is a premier mountain trail running event held in the rugged peaks of Snowdonia National Park, Wales. The event features multiple race distances through challenging mountain terrain with significant elevation gain, ranging from the flagship 163 km ultra to a 25 km introductory distance. Known for its dramatic Welsh mountain scenery, technical trails, and demanding climbs.
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The information shown here is based on the most recent listing we could find, and may change. Always confirm details on the event's official site before registering.