Bellingham Bay Marathon

Bellingham, WA, USA • September 21, 2025
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partly-cloudy-day Partly cloudy throughout the day.

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Bellingham, Washington holds a run and walk marathon along the Bellingham Bay. There are three marathon races to choose from including a full marathon, half marathon, 10k, and/or 5k. Bellingham Bay Marathon, BBM, is a Boston marathon qualifier. Furthermore, all BBM courses are USATF-certified. The Bellingham Bay marathon was founded in 2003 by the Bellingham Bay Swim Team. In addition, 100% of net proceeds benefit Whatcom County youth non-profit organizations. Wikipedia

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When is the 2025 Bellingham Bay Marathon?

The 2025 Bellingham Bay Marathon will be held on Sunday September 21, 2025.

Is the Bellingham Bay Marathon a Boston Marathon Qualfier?

Yes, the Bellingham Bay Marathon is an official Boston Marathon qualifier.

What is the time limit for the Bellingham Bay Marathon?

The time limit for the Bellingham Bay Marathon is 6.5 hours.

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Historical Weather

RunScore
Run Score: 8
Temp
63°F
Min/Max
51°/64°F
Dew
50°F
Days of Rain
5/17
Wind
9mph
Tap a row for details.
YearLow / HighRain

Bellingham Bay Marathon 2024 Weather History

Partly cloudy throughout the day with afternoon rain.

2024
partly-cloudy-day
56°/ 62°-
Run Score: 9

Bellingham Bay Marathon 2023 Weather History

Partly cloudy throughout the day with late afternoon rain.

2023
partly-cloudy-day
50°/ 66°-
Run Score: 9

Bellingham Bay Marathon 2022 Weather History

Clear conditions throughout the day.

2022
clear-day
50°/ 72°-
Run Score: 8

Bellingham Bay Marathon 2021 Weather History

Clear conditions throughout the day.

2021
partly-cloudy-day
50°/ 68°-
Run Score: 8

Bellingham Bay Marathon 2019 Weather History

Partly cloudy throughout the day.

2019
clear-day
50°/ 58°-
Run Score: 7

Bellingham Bay Marathon 2018 Weather History

Cloudy skies throughout the day with a chance of rain throughout the day.

2018
rain
53°/ 56°Light
Run Score: 7

Bellingham Bay Marathon 2017 Weather History

Partly cloudy throughout the day.

2017
partly-cloudy-day
48°/ 63°-
Run Score: 8

Bellingham Bay Marathon 2016 Weather History

Partly cloudy throughout the day with early morning rain.

2016
cloudy
55°/ 69°-
Run Score: 9

Bellingham Bay Marathon 2015 Weather History

Clear conditions throughout the day.

2015
clear-day
39°/ 59°-
Run Score: 8

Bellingham Bay Marathon 2014 Weather History

Partly cloudy throughout the day.

2014
fog
54°/ 64°-
Run Score: 8

Bellingham Bay Marathon 2013 Weather History

Cloudy skies throughout the day with a chance of rain throughout the day.

2013
rain
53°/ 56°Light
Run Score: 6

Bellingham Bay Marathon 2012 Weather History

Clear conditions throughout the day.

2012
clear-day
43°/ 62°-
Run Score: 8

Bellingham Bay Marathon 2011 Weather History

Partly cloudy throughout the day with rain in the morning and afternoon.

2011
clear-day
61°/ 70°Light
Run Score: 6

Bellingham Bay Marathon 2010 Weather History

Cloudy skies throughout the day with a chance of rain throughout the day.

2010
cloudy
61°/ 63°Light
Run Score: 9

Bellingham Bay Marathon 2009 Weather History

Clear conditions throughout the day.

2009
clear-day
40°/ 70°-
Run Score: 8

Bellingham Bay Marathon 2008 Weather History

Clear conditions throughout the day with early morning rain.

2008
clear-day
46°/ 68°-
Run Score: 8

Bellingham Bay Marathon 2007 Weather History

Cloudy skies throughout the day with rain.

2007
cloudy
55°/ 60°Light
Run Score: 6
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