Mt Si Trail Run

The Mt Si Relay & Trail Runs is an exciting running event taking place on May 4, 2025, in Snoqualmie, WA. Participants can choose from various distances, including a 50-mile ultra, 50K, marathon, half marathon, and relay options. The course primarily follows the scenic Snoqualmie Valley Trail and John Wayne Pioneer Trail, offering beautiful views of the Cascade foothills and rivers.

The event is designed for both beginners and experienced runners, featuring ample aid stations and a supportive atmosphere. The relay format allows teams of five to compete, making it a fun and accessible option for all. Visit the organization's website for the most recent information.