Skagit Flats Marathon

Burlington, WA, USA · September 13, 2026
partly-cloudy-day55°·67° high·Light·Dry
9
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Race Day Weather

partly-cloudy-day
55°at start
68° high
Light
Dry

Cool start, warming trend

Runners will face a temperature rise from 53°F at the start to 68°F by the end, with an average humidity of 78%. Wind will be light from the SSW at 7 mph, but gusts could reach 24 mph. Runners should consider adjusting their pace as the day warms and stay vigilant with hydration.

Race day forecast available in 132 days
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Pace Calculator

Distance: 26.2mi
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Race Info

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! Source

Area Map

Course Map

FAQ

When is the 2026 Skagit Flats Marathon?

The 2026 Skagit Flats Marathon will be held on Sunday September 13, 2026.

Is the Skagit Flats Marathon a Boston Marathon Qualifier?

Yes, the Skagit Flats Marathon is an official Boston Marathon qualifier.

What will the weather be like for the 2026 Skagit Flats Marathon?

The forecast calls for a high of 68°F and a low of 53°F with a 0% chance of rain.

Historical Weather

Based on 3 years of data
Avg Temp
64°F
L:53° H:64°
RunScore
8
Conditions
Rain Freq
33%
1 of 3 yrs
Wind6mph
Dew60°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScore
2025
partly-cloudy-day
59°/61°Light
8
2024
clear-day
57°/71°-
8
2023
clear-night
42°/60°-
8