Cougar Mountain Trail Run Series (May)
Decision scores
Six 0–100 scores telling you, at a glance, who this race is for.
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About the Race
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-...
Course Profile
Course profile data unavailable for this race.
Course features
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Vibe & community
History & past results
Past finisher times and year-over-year participation will appear here once the organizer publishes them.
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Common questions
How hard is the Cougar Mountain Trail Run Series (May) 1 Mile?
We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.
What should I wear?
Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.
When does it sell out?
No published deadline. Most races raise the entry fee in tiers and can sell out without warning — sign up early if you're committed.
Similar races worth a look
- More like this in this city: All 1 Mile races in Bellevue, WA
- Same distance, same month: Best 1 Mile races in May
- Same distance, statewide: All 1 Mile races in Washington
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