2027 The Snohomish River Run Marathon, Half Marathon, 10K and 5K
Typically 43–58°F · rain likely
See last 10 years
On this date: rain 6 of the last 10 years
2025
44–57°F
dry
2024
43–52°F
rain
2023
49–60°F
rain
2022
48–70°F
dry
2021
46–58°F
dry
2020
50–55°F
rain
2019
47–55°F
rain
2018
39–69°F
dry
2017
44–55°F
rain
2016
49–54°F
rain
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About this race
Snohomish River Run – Sunday, October 17th, 2027
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.
Sunday, October 17th
Marathon Start Time - 7:30AM
Half Marathon Start Time - 8:00AM
10K Start Time - 9:00AM
5K Start Time - 9:30AM
Course map
Train with a club
Run clubs near Snohomish to train with before race day.
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