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Races Clubs Train Wrapped

Cougar Mountain Trail Run Series (August)

Races
United States
Washington
Seattle, WA
Cougar Mountain Trail Run Series (August)

Marathon 5K Trail Trail Marathon Road

Cougar Mountain Trail Run Series (August)

Saturday, August 8, 2026Bellevue, WA5K – Marathon

Registration open10 weeks

Welcome to the 2026 edition of the Cougar Mountain Trail Run Series, put on by Seattle Running Club and Northwest Trail Runs . Our events support King County Parks , with $15 of every entry going to KC Parks. Events May 9 : 5.1 Miles & 10.8 Miles 9 AM start for all races, 12:00 PM cut-off (~16:40 pace for 10.8 miles) June 13 : 5K, 8.2 Miles & 14.5 Miles 9 AM start for all races, 1:00 PM cut-off (~16:35 pace for 14.5 miles) July 11 : 5K, 10.8 Miles & 19.5 Miles 9 AM start for all race, 2:30 PM cut-off (~16:55 pace for 19.5 miles) August 8 : 5K, 14.5 Miles & 26.2 Miles 8:30 AM st...

Races

Surface

Trail

Aug 89:00 AM

$40

Aug 89:00 AM

$40

Not affiliated with this event. Official website. We may earn a commission on registrations.

Location

Sky Country Trailhead

Bellevue, WA 98006

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