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Snowdonia Ultra 100
Tuesday, September 1, 2026 · Betws-y-Coed, United Kingdom
Distances
80km
About this race
Snowdonia defines this ultra before pace even enters the mind: a trail race within the national park, where “rugged mountains, green valleys, crystal-clear lakes and ancient forests” speak for themselves. The Snowdonia Ultra 100 is firmly in the serious mountain-running category, holding a UTMB Index label and demanding respect from the initial ascent.
The statistics are telling: 7,850m of ascent on trail, traversing nature and forest landscapes, with the start located at Betws-y-Coed. Anticipate a field adept at layering, pacing effort, and maintaining momentum when the weather shifts; the CourseProche notes from the previous edition indicate cool, damp, windy conditions. The draw is a “total immersion in the wild beauty” of the area, not a refined road-race event.
Start location
Betws-y-Coed, Pays de Galles