2026 The Snohomish River Run Marathon, Half Marathon, 10K and 5K

Snohomish, WA

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