Events

5k, 8.2-mile & 14.5-mile Saturday, June 13, 2026 King County’s Cougar Mountain Regional Wildland Park, Newcastle, WA Thanks to runners … Cougar Mountain Trail Run Series #2

5k & 10k Tuesday, June 23, 2026 6:30pm Start Carkeek Park, Seattle, WA Carkeek is home to six miles of … Carkeek Warmer Trail Run

4.2mi & 10k Tuesday, July 7, 2026 6:30pm Start Seward Park, Seattle, WA Situated on a peninsula surrounded by Lake Washington, … Seward Sizzler Trail Run

5k, 10.8 & 19.5 mile Saturday, July 11, 2026 King County’s Cougar Mountain Regional Wildland Park, Newcastle, WA Thanks to runners like … Cougar Mountain Trail Run Series #3

4 mile & 8 mile Tuesday, July 21, 2026 6:30pm Start St. Edward State Park, Kenmore, WA Situated on the … Summer Eddy Trail Run

5k & 10k Tuesday, August 4, 2026 6:30pm Start Interlaken Park, Seattle, WA The fifty-one acres of dense forest that … Interlaken Ice Cream Dash

5k, 14.5 & 26.2-mile Saturday, August 8, 2026 King County’s Cougar Mountain Regional Wildland Park, Newcastle, WA Thanks to runners … Cougar Mountain Trail Run Series #4

The Moran Constitutional Relay is a challenging 70-mile course with 12 legs for teams of two to six runners on … Moran Constitutional Relay

50k, 22 miles, Half Marathon, 10k Saturday, October 10, 2026 8:00am-10:00am starts North Bend, WA The start is at the … Middle Fork Trail Run

5k, 7.6-mi, 19.5-mi, 50k Saturday, October 31, 2026 8:00-9:30am Starts, depending upon race distance King County’s Cougar Mountain Regional Wildland … Cougar Mountain Trail Run