Washington · Marathon · Half Marathon · 5K

Skagit Flats Marathon, Half & 5k

Skagit Flats Marathon, Half & 5k is a marathon, half marathon, 5K and 10K event held in Burlington, Washington. It was last held on September 13, 2026 and is usually run in September; the next date hasn't been announced yet. About 112 runners take part across all distances.

Usually held
September
Location
Burlington, WA
Field size
~112 runners

Race details

Last held
September 13, 2026
Usually held in
September
Distances
Marathon, Half Marathon, 5K, 10K
Field size
About 112 runners
Registration
runsignup.com

Registration, course & weather

Course profile
Out-and-back course; Road surface; Boston qualifier
Typical race-day weather
about 56°F at the start, 94% humidity, 3 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo historical archive (gridded reanalysis), checked October 8, 2026)

About the 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: 8:00 am Full and Half , 8:10 am for 5k . Distances: Marathon (26.2 miles), Half Marathon (13.1 miles), and 5k (3.1 miles) Chip Timing: We wil…

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Skagit Flats Marathon, Half & 5k: common questions

When is the Skagit Flats Marathon, Half & 5k?
The next date hasn't been announced in the listing yet. The race is usually held in September. Check the organiser's website for the official date.
Where is the Skagit Flats Marathon, Half & 5k held?
In Burlington, Washington.
What distances does the Skagit Flats Marathon, Half & 5k offer?
Marathon, Half Marathon, 5K and 10K.
How many people run the Skagit Flats Marathon, Half & 5k?
About 112 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
How do I register for the Skagit Flats Marathon, Half & 5k?
Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
What is the course like at the Skagit Flats Marathon, Half & 5k?
Out-and-back course; Road surface; Boston qualifier.
What is race-day weather usually like at the Skagit Flats Marathon, Half & 5k?
about 56°F at the start, 94% humidity, 3 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo historical archive (gridded reanalysis), checked October 8, 2026).