Ultra-Trail Snowdonia by Utmb
Llanberis, United Kingdom • 16-18 May 2025
Ultra-Trail Snowdonia by UTMB is the UK's only event in the prestigious UTMB® World Series, showcasing a stunning array of technical trails through the breathtaking landscapes of Snowdonia. The event features multiple race distances, including 100M, 100K, 50K, and a 25K, attracting over 2,700 runners from more than 65 nationalities. Participants experience the rugged wilderness of North Wales, making it a unique and challenging adventure for trail running enthusiasts. The event emphasizes both the beauty and the intensity of the trails, promising an unforgettable experience for all involved. Visit the organization's website for the most recent information.