RunThrough Snowdonia Sea2Sky

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.