Cougar Mountain Trail Run Series (October) 2026 — Bellevue, WA

Date
October 31, 2026
Location
Bellevue, WA
Venue
Sky Country Trailhead
Start Time
8:00 AM
Entry Fee
$40.00 – $100.00
Events
50K, 19.5 Miles, 7.6 Miles, 5K
Welcome to the 2025 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 a portion of every entry going to KC Parks. OCTOBER'S RACE ONLY - COSTUME CONTEST/CHALLENGE: The October Cougar Mountain races fall a few days before Halloween so let's see who can get into the spirit and run some trails in costume. UPDATE - there will be an award for best costume (any distance) and best group costume (any distance). Winners will receive a gift certificate and a unique trophy from Otter Pawz Lazer . October 7.6-Mile Cross Country // Cougar Cup - The 7.6-Mile Race is a team race - individuals are still eligible to run the 7.6 mile race for podium awards but not the Cougar Cup . The Cougar Cup is open to any team, group or club. In order to participate in the event, teams must sign-up the morning of the race and declare who is on the team. All team members must sign a waiver and list an emergency contact

Hotels Near This Race

Find accommodation close to the start line in Bellevue, WA. Sorted by distance from the race venue. Book early — race weekend hotels fill fast.

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Cougar Mountain Trail Run Series (October) 2026 — Bellevue, WA

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Race Travel Insurance

Don't forget travel insurance for October 31.

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

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