13 Valleys Ultra
Keswick, United Kingdom • 26-28 Sep 2025
The 13 Valleys Ultra is an annual trail running event held in the Lake District National Park, offering distances of 22 km, 55 km, 110 km, and 180 km. Participants traverse scenic routes through valleys, lakes, and fells, with checkpoints and feed stations along the way. The event promotes environmental sustainability, with a portion of proceeds supporting the Lake District Foundation. Recognized by the International Trail Running Association, the Ultra serves as a qualifier for prestigious races like the Western States Endurance Run. It attracts experienced ultra-runners and emphasizes spectacular mountain and trail running in one of the UK's most iconic landscapes. Visit the organization's website for the most recent information.