Cougar Mountain Trail Run Series

A Chinese New Year trail race at Bridle Trails State Park with 5 mile and 10 mile options, race shirts and finisher medallions. Aid stations every 2.5 miles plus awards and postrace baozi.

Tackle the rugged trails of Squak Mountain State Park near Issaquah. Choose from distances including a 50k, Half Marathon, or a 12k, all starting with a significant climb. Experience a lush forest and technical descents on this early season..

A time-based loop event at Seattle's Carkeek Park offering 6 hour and 12 hour options on a 1.93 mile loop with an extra 0.54 mile option; proceeds support Endless Trails' trail work and advocacy.

This endurance event on Tiger Mountain challenges participants with 3, 6, or 12-hour options to run laps for clean air. Funds raised support Washington Conservation Action and clean air initiatives. Each lap covers about 8 miles and 3,000 f..