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 start for the 14.5 and 26.2, 9 AM start for the 5K, 4 PM cut-off (~17:10 pace for the marathon) October 24: 5K, 7.6 Mile Cross Country, 19.5 Miles & 50K 8 AM start for the 19.5 and 50K (7 AM early start will be available), 9 AM start for 7.6 Miles and Cross Country event, 9:30 AM start for 5K, 5 PM Cut-off (~17:25 pace for 50K, ~19:30 pace for early start) Series (BEST 3 OUT OF 4 RACES is eligible for awards): Short
Hotels Near This Race
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Cougar Mountain Trail Run Series (June) 2026 — Bellevue, WA
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Race Travel Insurance
Don't forget travel insurance for June 13.
You've trained for months and booked a trip to Bellevue, WA.
A pre-race injury, a delayed flight, or a family emergency can derail the whole thing.
Travel insurance can help cover your race entry fee, hotel, and flights if you can't make it,
and may cover medical costs if something goes wrong on the course. Plans typically only run
5-7% of your total trip cost — and running events are covered under standard plans with no
additional coverage needed.
Trip cancellation up to 100% of prepaid costs
Running events covered under standard plans — no add-ons needed
Trip interruption up to 150% of non-refundable costs