Seriously Brutal Duathlon

Llanberis, Gwynedd, United Kingdom
20 Sep, 2025 (Sat)

About the event

Take on a demanding multi-sport challenge that lets you tackle the same tough courses as the Brutal Triathlons—minus the swim. Kick things off with a deceptively challenging run around the lake, then push your limits on a hilly, adrenaline-pumping bike course, and finish strong with an ascent and descent of Snowdon. Choose your distance: Half, Full, or Double. Compete solo or join forces with a team of 2 to 4 athletes for an unforgettable endurance experience.

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