Cougar Mountain Trail Run
Bellevue, United States • 25 Oct 2025
The Cougar Mountain Trail Run is an annual trail running event held at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. The race offers multiple distances including 5k, 7.6 miles, 19.5 miles, and 50 kilometers, catering to a range of trail runners. The course features rolling hills, lush forests, fern-lined single-track trails, and marsh views, with elevation gains varying from 350 feet for the 5k to 7,200 feet for the 50k. The event supports King County Parks through entry fees and promotes trail conservation, making it a popular and scenic race for trail enthusiasts. Visit the organization's website for the most recent information.