runsignup.com

The Snohomish River Run Marathon, Half Marathon, 10K and 5K

Snohomish, Washington, United States

calendar_today 11 Oct, 2026

directions_run Running

language Official Website

sell $45.00 – $95.00

About the Event

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

Races Offered

The Snohomish River Run Marathon

Oct 11, 2026

straighten

Distance — 26.2 Miles

terrain

Type — Running

timer

07:30

sell

$95.00

The Snohomish River Run Half Marathon

Oct 11, 2026

straighten

Distance — 13.1 Miles

terrain

Type — Running

timer

08:00

sell

$75.00

The Snohomish River Run 10k

Oct 11, 2026

straighten

Distance — 10K

terrain

Type — Running

timer

09:00

sell

$55.00

The Snohomish River Run 5k

Oct 11, 2026

straighten

Distance — 3.1 Miles

terrain

Type — Running

timer

09:30

sell

$45.00

Weather History

These values represent the 3-year monthly averages for October in Snohomish.

thermostat Temperature

5.0° / 12.4°

wb_sunny Feels like

2.1° / 10.3°

light_mode Avg sunshine hours

6h 10m

water_drop Avg rainfall

7.4 mm

ac_unit Avg snowfall

0.1 cm

air Avg wind speed

6.7 km/h (Light breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Low (2.8)

humidity_mid Humidity

83.3%

wb_twilight Sunrise

07:28

nightlight Sunset

18:16

About Snohomish

Learn more about the host city, Snohomish.

Snohomish, the "Antique Capital of the Northwest", is a city in the Puget Sound region of Washington state. It's downtown district is renowned for its collection of antique shops.