XTERRA Snowdonia Trail Marathon 2023

Welcome to the XTERRA Snowdonia Trail Marathon Eryri, a stunning Trail Marathon, Ultra Marathon, Half Marathon and 10k, starting and finishing in Wales' outdoor capital, Llanberis. Entering the XTERRA Snowdonia Trail Marathon Eryri is your ticket to compete in one of the UK's most challenging trail races.
The incredible routes explore the trails, gorgeous panoramic views and tough climbs that make Eryri (Snowdonia) National Park so popular with outdoor enthusiasts. Visiting Rhyd Ddu, Beddgelert, Nant Gwynant, Pen y Pass, and Yr Wyddfa (Snowdon), there surely can't be a more striking trail marathon route in the UK!
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