racecast.ioPartly cloudy throughout the day.
Details
Pre-Race
Race
Post-Race
Non-GMO Organic carb heavy chews to power your run. Dairy Free. Nut Free. Gluten Free. Honey Stinger Energy Chews.
When you buy through our links, we may earn a commission.
Wanna to know when the weather changes? .
Race Overview
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.
WikipediaFAQ
When is the 2026 Bellingham Bay Marathon?
The 2026 Bellingham Bay Marathon will be held on Sunday September 20, 2026.
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.
Bellingham Bay Marathon Weather History
Bellingham Bay Marathon Weather Averages
Average Temp: 56°, Average Low: 49°, Average High: 65°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 51° | 54° | 57° | 60° | 61° | 63° | 63° |
| Feel | 51° | 54° | 57° | 60° | 61° | 63° | 63° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 7mph | 8mph | 9mph | 9mph | 8mph | 9mph |
| Dew | 48° | 50° | 50° | 50° | 50° | 50° | 50° |
| RunScore |  |  | | | | | |
Bellingham Bay Marathon 2025
Sep 21, 2025
Partly cloudy throughout the day with rain clearing later.
Low: 56°, High: 66°, Heavy Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp |  58° | 58° | 60° | 59° | 61° | 64° | 65° |
| Feel | 58° | 58° | 60° | 59° | 61° | 64° | 65° |
| Rain | light | - | - | - | - | - | - |
| Wind | 9mph | 9mph | 10mph | 7mph | 7mph | 10mph | 8mph |
| Dew | 56° | 56° | 57° | 55° | 54° | 53° | 53° |
| RunScore |  | | | | | | |
Bellingham Bay Marathon 2024
Sep 22, 2024
Partly cloudy throughout the day with afternoon rain.
Low: 49°, High: 62°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 56° | 56° | 59° | 62° | 61° |  61° | 61° |
| Feel | 56° | 56° | 59° | 62° | 61° | 61° | 61° |
| Rain | - | - | - | - | - | - | - |
| Wind | 6mph | 7mph | 6mph | 8mph | 10mph | 8mph | 8mph |
| Dew | 52° | 52° | 52° | 50° | 52° | 53° | 53° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2023
Sep 24, 2023
Partly cloudy throughout the day with late afternoon rain.
Low: 48°, High: 66°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° |  52° | 54° | 60° | 62° | 65° | 66° |
| Feel | 50° | 52° | 54° | 60° | 62° | 65° | 66° |
| Rain | - | - | - | - | - | - | - |
| Wind | 3mph | 5mph | 7mph | 6mph | 3mph | 4mph | 7mph |
| Dew | 50° | 52° | 54° | 54° | 53° | 53° | 54° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2022
Sep 25, 2022
Clear conditions throughout the day.
Low: 48°, High: 73°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 59° | 63° | 69° | 68° | 70° | 72° |
| Feel | 50° | 59° | 63° | 69° | 68° | 70° | 72° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 3mph | 3mph | 5mph | 6mph | 8mph |
| Dew | 50° | 55° | 55° | 55° | 57° | 57° | 57° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2021
Sep 25, 2021
Clear conditions throughout the day.
Low: 50°, High: 69°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 55° | 61° | 63° | 65° | 66° | 68° |
| Feel | 50° | 55° | 61° | 63° | 65° | 66° | 68° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 5mph | 7mph | 7mph | 9mph | 8mph |
| Dew | 50° | 55° | 57° | 55° | 55° | 56° | 57° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2019
Sep 29, 2019
Partly cloudy throughout the day.
Low: 49°, High: 59°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 50° | 51° | 53° | 54° | 55° | 57° | 58° |
| Feel | 45° | 51° | 53° | 54° | 55° | 57° | 58° |
| Rain | - | - | - | - | - | - | - |
| Wind | 13mph | 15mph | 20mph | 17mph | 18mph | 17mph | 16mph |
| Dew | 34° | 33° | 33° | 32° | 31° | 31° | 31° |
| RunScore | | |  | | | | |
Bellingham Bay Marathon 2018
Sep 30, 2018
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 53°, High: 62°, Heavy Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 53° | 53° | 54° | 54° | 54° | 55° | 56° |
| Feel | 53° | 53° | 54° | 54° | 54° | 55° | 56° |
| Rain | light | light | light | light | light | light | light |
| Wind | 0mph | 5mph | 5mph | 6mph | 7mph | 4mph | 6mph |
| Dew | 50° | 50° | 51° | 51° | 51° | 52° | 53° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2017
Sep 24, 2017
Partly cloudy throughout the day.
Low: 45°, High: 67°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 48° | 52° | 57° | 58° | 58° | 63° | 63° |
| Feel | 48° | 52° | 57° | 58° | 58° | 63° | 63° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 3mph | 0mph | 3mph | 4mph | 0mph | 5mph |
| Dew | 48° | 50° | 51° | 50° | 50° | 49° | 49° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2016
Sep 25, 2016
Partly cloudy throughout the day with early morning rain.
Low: 54°, High: 72°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 55° | 57° | 60° | 64° | 66° | 68° | 69° |
| Feel | 55° | 57° | 60° | 64° | 66° | 68° | 69° |
| Rain | - | - | - | - | - | - | - |
| Wind | 4mph | 6mph | 6mph | 6mph | 6mph | 8mph | 5mph |
| Dew | 52° | 53° | 53° | 53° | 52° | 51° | 51° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2015
Sep 27, 2015
Clear conditions throughout the day.
Low: 38°, High: 60°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 39° | 44° | 50° | 55° | 58° | 59° | 58° |
| Feel | 39° | 44° | 50° | 55° | 58° | 59° | 58° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 0mph | 6mph | 3mph | 5mph | 9mph |
| Dew | 39° | 42° | 45° | 45° | 46° | 45° | 46° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2014
Sep 28, 2014
Partly cloudy throughout the day.
Low: 49°, High: 64°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp |  54° | 55° | 55° | 57° | 62° | 61° | 64° |
| Feel | 54° | 55° | 55° | 57° | 62° | 61° | 64° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 0mph | 0mph | 6mph | 6mph | 0mph |
| Dew | 53° | 53° | 54° | 54° | 54° | 55° | 56° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2013
Sep 29, 2013
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 53°, High: 56°, Heavy Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 53° | 53° | 54° | 55° | 56° | 56° | 55° |
| Feel | 53° | 53° | 54° | 55° | 56° | 56° | 55° |
| Rain | light | light | light | light | - | - | - |
| Wind | 15mph | 11mph | 10mph | 16mph | 20mph | 14mph | 17mph |
| Dew | 50° | 50° | 50° | 49° | 48° | 47° | 47° |
| RunScore |  | | | | | | |
Bellingham Bay Marathon 2012
Sep 30, 2012
Clear conditions throughout the day.
Low: 40°, High: 63°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 43° | 49° | 53° | 57° | 59° | 62° | 62° |
| Feel | 43° | 49° | 53° | 57° | 59° | 62° | 62° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 5mph | 0mph | 0mph | 0mph | 5mph |
| Dew | 40° | 46° | 47° | 48° | 48° | 50° | 51° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2011
Sep 25, 2011
Partly cloudy throughout the day with rain in the morning and afternoon.
Low: 50°, High: 71°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 61° | 61° | 65° | 66° | 68° | 70° | 66° |
| Feel | 61° | 61° | 65° | 66° | 68° | 70° | 66° |
| Rain | - | - | - | light | - | - | - |
| Wind | 24mph | 19mph | 20mph | 20mph | 28mph | 19mph | 23mph |
| Dew | 49° | 50° | 49° | 47° | 47° | 50° | 50° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2010
Sep 26, 2010
Cloudy skies throughout the day with a chance of rain throughout the day.
Low: 60°, High: 64°, Moderate Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 61° | 61° | 61° | 62° | 62° | 63° | 63° |
| Feel | 61° | 61° | 61° | 62° | 62° | 63° | 63° |
| Rain | - | - | - | light | - | - | - |
| Wind | 7mph | 8mph | 11mph | 10mph | 8mph | 6mph | 7mph |
| Dew | 58° | 59° | 59° | 59° | 60° | 60° | 59° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2009
Sep 27, 2009
Clear conditions throughout the day.
Low: 39°, High: 70°
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 40° | 49° | 53° | 59° | 64° | 68° | 70° |
| Feel | 40° | 49° | 53° | 59° | 64° | 68° | 70° |
| Rain | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 5mph | 4mph | 6mph | 12mph | 12mph |
| Dew | 38° | 42° | 42° | 43° | 40° | 35° | 35° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2008
Sep 28, 2008
Clear conditions throughout the day with early morning rain.
Low: 43°, High: 69°, Light Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 46° | 52° | 56° | 61° | 64° | 66° | 68° |
| Feel | 42° | 52° | 56° | 61° | 64° | 66° | 68° |
| Rain | - | - | - | - | - | - | - |
| Wind | 7mph | 6mph | 10mph | 10mph | 9mph | 7mph | 8mph |
| Dew | 44° | 47° | 46° | 46° | 47° | 48° | 48° |
| RunScore | | | | | | | |
Bellingham Bay Marathon 2007
Oct 7, 2007
Cloudy skies throughout the day with rain.
Low: 50°, High: 60°, Heavy Rain
| Time | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|
| Temp | 58° | 58° | 59° | 60° | 60° | 56° | 55° |
| Feel | 58° | 58° | 59° | 60° | 60° | 56° | 55° |
| Rain | - | - | - | - | - | light | moderate |
| Wind | 20mph | 25mph | 26mph | 29mph | 22mph | 9mph | 6mph |
| Dew | 50° | 50° | 49° | 49° | 49° | 51° | 52° |
| RunScore | | | | | | | |