Cougar Mountain Trail Run Series (October)

The Cougar Mountain Trail Run Series, organized by Seattle Running Club and Northwest Trail Runs, offers challenging races that support King County Parks by donating a portion of each entry. Participants can look forward to various competitions, including a costume contest during October events. The series takes place in Cougar Mountain Regional Wildland Park, known for its lush, scenic trails ideal for all experience levels. Special events like the USATF PNTF Open and Masters Trail Championships highlight the series. The event encourages community, provides post-race sustenance, and emphasizes eco-friendliness by being a cup-free event.