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2026 Snowdonia Trail Marathon Eryri - Jul 12
2026 Snowdonia Trail Marathon Eryri - Jul 12 is an international running event held in Llanberis. The race takes place on Sun 12 Jul 2026.
Whether you're chasing a personal best or running your first international race, use the links below to find registration information and plan your trip.
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The marathon, originating from Ancient Greece, remains a formidable test of endurance for athletes in the modern era. Covering a distance of 26.2 miles, this race demands meticulous…