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

Ultra-Trail Snowdonia by UTMB is a UTMB World Series trail running event in Llanberis, North Wales from 15 to 17 May 2026. It offers multiple mountain race distances from 25 km to 163 km with significant elevation gain.

A midweek fell race in the North Wales series over approximately 8 km with 470 m of climb, mandatory checkpoints and a steep uphill finish; pre-registration is required with additional entry notes and junior categories listed.

Mynydd Mawr is a midweek race near Caernarfon covering 6.7 km with 450 m of ascent, part of the North Wales Mid Week Series. Navigational skills are required; preregistration is requested and a day-entry fee of £2 applies.

A mountain fell race of 13 km and 1550 m ascent finishing at Yr Wyddfa Summit, requiring navigational skills and prior mountain experience. Registration is in Llanberis with compulsory coach transfer to the Ogwen start.

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