Skagit Flats Marathon, Half & 5k 2026

The 49th Annual Skagit Flats Marathon, Half Marathon and 5K features the flattest Boston qualifier in Washington state. This fast rural course winds through the Skagit Valley, one of the best small-town marathons in the state. "Run the Valley with Skagit Runners," then enjoy post-race food, a finisher's medal, and access to high school showers. Registration is limited to 800 participants. Discounts are available for students, active duty military, veterans, and first responders.