Snohomish River Run Marathon
Snohomish, Washington, United States
Oct 11, 2026 - Sunday
5k, 10k, Half-marathon, Marathon
Video
Race Information
Join Snohomish Running Company for its signature event, The Snohomish River Run! Enjoy a fast, flat, beautiful USATF Certified Marathon, Half Marathon, 10k, and 5k run through Historic Downtown Snohomish and along the Snohomish River.
With brisk temps and vibrant fall foliage, it's the perfect time of year to run your first race, set a PR, qualify for Boston, or just have fun. Stick around for post-race hot soup, awards and entertainment.
Related Events
Wicked Fast 5K Halloween Run
Get 10% Off - Use Code runguides
Date: Oct 24, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Tacoma, Washington
Lake Washington Half
Date: Oct 17, 2026 - Saturday
Size: 500 - 1,000 participants
Location: Kirkland, Washington
Foundation for ESD Monster Mad Dash 5k
Date: Oct 3, 2026 - Saturday
Size: 1,000 - 5,000 participants
Location: Mountlake Terrace, Washington
👍 Run Pick of the Month - B&O Half Marathon
📍 Orting, WA - July 19, 2026
Experience summer running in the PNW!
💸 SAVE 10% On Your Entry. Use Code RG10
😄 Why We Like This Run
✅ Point-to-point net downhill half marathon and a flat 10K
✅ Stunning Mount Rainier views
✅ Finisher's shirt and custom medal
The B&O Half Marathon delivers a high-speed Pacific Northwest race experience with a net downhill course built for PRs and a flat, fast 10K to match.
Running along a smooth rails-to-trails path beneath Mount Rainier, this event combines scenic beauty, effortless miles, and a fun, relaxed finish-line vibe with treats and a welcoming community feel!
Get a Training Plan for this Run
Receive 2 FREE Weeks of personalised run training from our friends at Runna
The Runna app, the ultimate running coach in your pocket, gives you personalised programs that sync with your favourite devices, includes strength and mobility training, and offers complete support.
You get 2 weeks for free!
Learn more about Runna. Click the link below.
🏃 Looking For More Runs Near Seattle?
Find another distance:
Race Facts
Race Size: 1,000 - 5,000
Elevation: Some Hills
Course Type: Road
Boston Qualifier: Yes
Kids Run: No
Where to Stay
Use this map to find hotels and airbnb accommodation near this race location.
