Burlington-Edison High School, Burlington WA
Sunday, September 13th, 2026
Welcome to the 49th Annual Skagit Flats Marathon, Half Marathon and 5K race.
Run the Valley with Skagit Runners
We will not have a gear check. The parking lot is a relatively safe area. We will not be responsible for any lost or stolen items.
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.
Live results can be obtained at Chronokeep.com.
Changes must be completed before the end of Saturday packet pickup. There will be no refund for transferring down to a shorter race.
Marathon, Half Marathon, and 5K pricing varies based on registration dates. Refer to the full race details for exact amounts.
Flat and fast rural course through the Skagit Valley. The marathon is a Boston qualifier with course number USATF # WA21009RMB.
Details on the course route, including specific road names and turns.
The course will be open for 6 hours. Participants must finish by 2:15 pm.
Full-service aid stations will be located at various points along the course.
Available at aid stations along the course.
Volunteers will be available with cell phones to assist as needed.
Walkers are welcome, but those running at a 16+ minute pace should be prepared for course closure after 6 hours.
Get the latest news by checking out Skagit Runners-Run the Valley (Facebook) or skagitrunners.com.
For questions, contact the race director at skagitsflatsmarathon@gmail.com.
Visit the race page for more information.
Course Map
Suggested Races
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