The Snohomish River Run Marathon, Half Marathon, 10K and 5K
About this race
Snohomish River Run – Sunday, October 11th
Experience the magic of fall in the Pacific Northwest at the Snohomish River Run—where crisp autumn air, vibrant colors, and scenic river views come together for an unforgettable race day.
Set in the heart of the historic Snohomish Valley, this course takes you along the winding Snohomish River, surrounded by golden farmland, towering evergreens, and the quiet beauty that makes this region so special. Whether you’re chasing a personal best or simply soaking in the scenery, every mile offers a perfect blend of serenity and energy.
Feel the rhythm of your stride as the morning fog lifts off the river, the sun breaks through the trees, and the community comes alive to cheer you on. This is more than just a race—it’s a celebration of movement, connection, and the changing seasons.
With a fast, runner-friendly course and a welcoming, small-town atmosphere, the Snohomish River Run is perfect for seasoned racers and first-timers alike.
Come run where the river flows, the leaves turn, and the miles feel a little more meaningful.
Join us on Sunday, October 11th—and make this your most memorable run of the year.
Marathon Start Time - 7:30AM
Half Marathon Start Time - 8:00AM
10K Start Time - 9:00AM
5K Start Time - 9:30AM
Pick your distance
Running
The Snohomish River Run 5k
The Snohomish River Run 10k
The Snohomish River Run Half Marathon
This is a USATF certified half marathon.
The Snohomish River Run Marathon
This is a certified, Boston qualifier 26.2 course. There will be a 5 hour time limit and space is limited to 400 participants for the marathon.
Typical race-day weather
Based on 6 years of historical conditions on this event's race dates in Snohomish.
About Snohomish
The Snohomish River Run Marathon, Half Marathon, 10K and 5K takes place in Snohomish, Washington, United States. The local timezone is America/Los_Angeles.
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🏃 Plan Your Next Race in Snohomish
Find upcoming events by distance:
- Snohomish 5K Races Best Snohomish routes for beginners and speed work.
- Snohomish Half Marathons Top-rated 21.1K courses in the Snohomish area.
- Snohomish Running Calendar 2026 See all upcoming race dates.
Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.
