Cougar Mountain Trail Run Series (October)

Event Overview

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 and Costume Challenge

• Theme: The October Cougar Mountain races fall a few days before Halloween, encouraging participants to run in costume.
• Awards: There will be an award for best costume (any distance) and best group costume (any distance).
• Prizes: Winners will receive a gift certificate and a unique trophy from Otter Pawz Lazer.

Race Details

• Distance: 7.6-Mile Race is a team event where individuals can still run for podium awards.
• Team Sign-Up: Teams must sign up on race morning and declare members.
• Entry Fee: Each team must pay an entry fee of $180.
• Configuration: Teams consist of 4-6 people with 2 women required to score for each team.

Upcoming Events

• October 25: 5K, 7.6 Mile Cross Country, 19.5 Miles & 50K.
• Start Times: 8 AM start for the 19.5 and 50K (7 AM early start available), 9 AM start for 7.6 Miles and Cross Country event, 9:30 AM start for 5K.
• Registration: Event-day registration starts at 7:00 AM.

Series Information

• Short Series: May 5.1 Miles, June 8.2 Miles, July 10.8 Miles & August 14.5 Miles.
• Long Series: May 10.8 Miles, June 14.5 Miles, July 19.5 Miles, August 26.2 Miles.
• Awards: Top overall runners based on cumulative time will receive an award and free entry into next year’s series.
• Registration Deadline: Online registration closes at 11:59 PM PDT the Wednesday before each event.

Reasons to Sign Up

• Trail Quality: Well-marked trails with distances suitable for all experience levels.
• Community: Connect with members of the trail-running community.
• Post-Race Amenities: Enjoy food and beverages, including beer from Flying Lion Brewery.
• Support Parks: $15 per runner donated to King County Parks.

Safety Guidelines

If you have had COVID-19 symptoms in the last 10 days or have known exposure to someone with COVID-19, please skip this race.

Land Acknowledge

We acknowledge that our running opportunities are built on the purposeful removal of Native peoples, who have been the stewards of Seattle-area lands for thousands of years.

Photo Consent

I understand and accept that photos/videos/illustrations may be taken of me and/or my personal property during events. Such media may be used by SRC for advertising purposes.

A Greener Event

This series is committed to reducing trash. Runners are encouraged to bring refillable water containers for use at aid stations and post-race.

Race Impact

The Cougar Mountain Trail Run Series has raised over $250,000 for King County Parks. Join us in making this 21st annual event bigger and better!

Discount Information

Seattle Running Club members received a 20% discount code via newsletter: a member number is required for use.

No Dogs Policy

Due to USATF Sanctioning and Insurance Requirements, dogs are not allowed on the course.

Awards

The top 3 Men, Women, and Nonbinary Runners in each event will receive a podium prize. Our August 14.5-Mile Race will also feature prize money for champions.

Event Registration

Register today at Cougar Mountain Trail Run Series.