RunThrough Snowdonia Sea2Sky

Barmouth, United Kingdom • 6 Sep 2025

The RunThrough Snowdonia Sea2Sky Trail Races, held in September 2025 at Barmouth, UK, offer two challenging distances: 25k and 53k. Set in the stunning landscape of Snowdonia, participants can enjoy breathtaking trail views throughout the course. The event features a chip-timed, marshalled route with water stations to support runners. Finishers receive a bespoke medal, post-race snacks, and free event photography. This trail race promises an exhilarating experience for trail running enthusiasts, combining natural beauty with well-organized race logistics. Visit the organization's website for the most recent information.

Race information

UTMB 20K UTMB 50K
53 km
53k
25 km
25k
Visit the organization's website for the most recent information.
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