Cougar Mountain Trail Run Series (May) – Bellevue, WA 2026

Date
May 9, 2026
Location
Bellevue, WA
Venue
Sky Country Trailhead
Start Time
9:00 AM
Entry Fee
$50.00 – $225.00
Events
5.1 Miles, 10.8 Miles, Short Series (May 5.1, June 8.2, July 10.8, August 14.5), Long Series (May 10.8, June 14.5, July 19.5, August 26.2)
Register NowRegistration OpenOfficial Race Website

On May 9, 2026, the Cougar Mountain Trail Run Series takes place at Sky Country Trailhead in Bellevue, Washington. This trail running event offers two distance options: a 1-mile race and a 10.8-mile race, making it accessible to runners of varying experience levels. The race starts at 9:00 AM. Entry fees range from $50 to $225 depending on your chosen distance and registration timing. If you're traveling to Bellevue for this event, you'll want accommodation near Sky Country Trailhead that supports an early morning start. The trail setting at Cougar Mountain provides a different training stimulus than road racing, so plan your pre-race preparation accordingly.

From the Race Organizer
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 S

Hotels Near This Race

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Cougar Mountain Trail Run Series (May) – Bellevue, WA 2026

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Race Travel Insurance

Don't forget travel insurance for May 9.

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
  • Emergency medical up to $250,000
  • Cancel For Any Reason add-on available
  • 24/7 real-time support
Get a Quote — Faye Travel Insurance

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Frequently Asked Questions

When is Cougar Mountain Trail Run Series (May) – Bellevue, WA 2026?

Cougar Mountain Trail Run Series (May) – Bellevue, WA 2026 takes place on May 9, 2026. The race is held in Bellevue, Washington.

Where is Cougar Mountain Trail Run Series (May) – Bellevue, WA 2026 held?

Cougar Mountain Trail Run Series (May) – Bellevue, WA 2026 is held at Sky Country Trailhead in Bellevue, Washington.

Where can I find hotels near Cougar Mountain Trail Run Series (May) – Bellevue, WA 2026?

RaceHotelFinder shows hotels sorted by distance from the race venue in Bellevue. Use the map or list view on this page to compare options and book race weekend accommodation.