Cougar Mountain Trail Run Series #2
Newcastle, United States • 13 Jun 2026
Event Overview
The Cougar Mountain Trail Run Series #2 takes place at the Cougar Mountain Regional Wildland Park in Newcastle, Washington. Located approximately 15 minutes from Seattle, the park contains a diverse terrain suitable for trail running, featuring a mix of wide, groomed paths and narrow, technical single-track trails. Participants run through lush forests, past fern-lined sections, over rolling hills, and alongside marshes.
The event offers three distinct distances to choose from:
- 5k
- 8.2-mile
- 14.5-mile
Course and Location
The event is staged at the Sky Country Trailhead, accessible via 166th Way SE. The courses utilize the extensive trail network of King County's Cougar Mountain Regional Wildland Park. The landscape is characterized by its runnable hills and varying trail conditions. This race is part of a larger series that supports local conservation efforts, having contributed significant funding and volunteer hours to King County Parks for trail maintenance and preservation.
Registration and Participation
Registration is available online through the Wednesday prior to the event, with additional registration options provided on the day of the race. The event is Trail Sisters Approved and includes a Youth Trail designation. For those participating in the broader series, a competition standings system is in place for runners who complete at least three of the four scheduled races in either the Short or Long series categories. Visit the organization's website for the most recent information.