Snowdonia in a Day

Conwy, United Kingdom • 7 Jun 2025

Snowdonia in a Day is a challenging endurance event held in Snowdonia National Park, Wales. Participants traverse 60 km (40 miles) along the Snowdonia Skyline, gaining 4,500 meters in elevation while crossing 24 mountains across the Carneddau, Glyders, Snowdon range, and Nantlle. The route starts in Conwy in the east and finishes in Nebo in the west, primarily on mountain trails and high mountain terrain.

This fully guided and supported challenge includes experienced mountain runner guides, refueling stations with hot and cold food, transport between start and finish, and a support vehicle for drop bags. It is ideal for runners preparing for the Dragons Back race. Visit the organization's website for the most recent information.

Race information

65 km
65km (40 Miles)
Visit the organization's website for the most recent information.
Trail runs nearby

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A midweek fell race at Tyddyn Llwyn Camp Site near Porthmadog, covering 5.9 km with 349 m climb. The AS-classified course is partly waymarked, part of the North Wales Mid Week Series, and includes junior categories.

A 7.3 km mountain race with 400 m of climb on Mynydd Graig Goch, part of the North Wales Mid Week Series. The course is partially marked and requires navigational skills; juniors race from a separate HQ near Llyn Cwm Dulyn.

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