The 2025 event has concluded.

Skagit Flats Marathon

Burlington, WA, USA • September 14, 2025
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rain Partly cloudy throughout the day with rain in the morning and afternoon.

No slip. No bounce. Polarized sunglasses built for the run. Goodr Sunglasses.When you buy through our links, we may earn a commission.

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

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When is the 2025 Skagit Flats Marathon?

The 2025 Skagit Flats Marathon will be held on Sunday September 14, 2025.

Is the Skagit Flats Marathon a Boston Marathon Qualfier?

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

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Historical Weather & Results

RunScore
Run Score: 8
Temp
66°F
Min/Max
50°/66°F
Dew
60°F
Days of Rain
0/2
Wind
8mph
Tap a row for details.
YearLow / HighRain

Skagit Flats Marathon 2024 Weather History

Partly cloudy throughout the day.

2024
clear-day
57°/ 71°-
Run Score: 8

Skagit Flats Marathon 2023 Weather History

Clearing in the afternoon.

2023
clear-night
42°/ 60°-
Run Score: 8
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR