Skagit Flats Marathon
Burlington, WA, USA • September 13, 2026
Race Day Weather
53°
68° high
Light
Dry
Cool start, warm finish
Runners will face a temperature rise from 53°F to 68°F, with average humidity at 77% and a dew point of 54°F. Winds will be light, coming from the SSW at 7 mph, with occasional gusts up to 24 mph. To optimize performance, runners should start conservatively and stay hydrated as temperatures climb.
Race day forecast available in 150 days
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Distance: 26.2mi
0:00:00
HH:MM:SS
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
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
Conditions
Rain Freq
33%
1 of 3 yrs
Wind6mph
Dew60°F
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 | | 59°/61° | Light | 59° | |
2024 |  | 57°/71° | - | 63° | |
2023 |  | 42°/60° | - | 48° |
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