2020 - The Snohomish River Run Marathon, Half Marathon, 10K and 5K
2020 distances
Running
The Snohomish River Run 5k
The Snohomish River Run 10k
16.2 mile Challenge
This challenge registers you for the 5k on Saturday and the Half Marathon on Sunday.
19.3 mile Challenge
This challenge registers you for the 10k on Saturday and the Half Marathon on Sunday.
29.3 mile Challenge
This challenge registers you for the 5k on Saturday and the Full Marathon on Sunday.
32.4 mile Challenge
This challenge registers you for the 10k on Saturday and the Full Marathon on Sunday.
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.
Race date Weather
Conditions on October 17, 2020 — historical Open-Meteo data.
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.