Cougar Mountain Trail Run

The Cougar Mountain Trail Run Series, organized by the Seattle Running Club and Northwest Trail Runs, features a variety of trail running events in King County's Cougar Mountain Regional Wildland Park. Scheduled for May 10, 2025, participants can choose between a 5.1-mile and a 10.8-mile race. This series not only promotes community engagement but also supports King County Parks, with a portion of each entry fee donated to park maintenance.

The scenic trails offer a mix of terrain, making it suitable for runners of all levels. The event emphasizes sustainability by encouraging participants to bring refillable water containers. Visit the organization's website for the most recent information.