Skagit Flats Marathon, Half & 5k

Skagit Flats Marathon, Half & 5k

Welcome to the 49th Annual Skagit Flats Marathon, Half Marathon and 5K race. Run the Valley with Skagit Runners. Our marathon course is the flattest Boston qualifier in all of Washington state! Registration is limited to 800, so be sure to register soon for one of the best small-town marathons in the state!

Date: Sunday, September 13, 2026

Race Start Time: 8:15 am Full and Half, 8:30 am for 5k.

Distances: Marathon (26.2 miles), Half Marathon (13.1 miles), and 5k (3.1 miles)

Chip Timing: We will be using chip timing by Northwest Endurance Events for all three races.

Weather: The temperature on race day is usually mild. The average low is 46° F, the average high is 64° F, with an average mean temperature of 52° F.

Post Race: All runners will receive a finishers medal AND a race t-shirt (register by 9/5/26 to guarantee your size)! Water will be available at the finish line along with lots of food for ALL finishers. The high school locker rooms will be open for showers and changing.

Course: Flat and fast rural course through the Skagit Valley. The marathon is a Boston qualifier with a certification course number of USATF # WA21009RMB. The half marathon is also certified with a course number of USATF # WA19017RMB. The race start is on Victoria Street on the south side of Burlington Edison High School. The marathon and half marathon are run on rural roads through the Skagit Valley farmlands and finish on the Burlington-Edison High School track. Participants must finish within 6 hours. The course closes at 2:15 pm.

Location: Burlington-Edison High School, 301 N Burlington Blvd. Burlington, WA 98233 US