racecast.ioPartly cloudy throughout the day.
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Wind
12mph
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Post-Race
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Race Overview
The Humboldt Bay Marathon offers runners a scenic, flat course along Eureka's Waterfront Trails and the Humboldt Bay Trail, with a loop around Klopp Lake in the Arcata Marsh. Starting and finishing at Madaket Plaza in Eureka, the race provides ample aid stations and restroom facilities, ensuring a comfortable experience for participants. The event fosters a vibrant community atmosphere, attracting runners of all levels to enjoy the picturesque coastal views and supportive environment.
WikipediaNews
August 9, 2023
Upcoming marathons and other races happening this weekend.
FAQ
When is the 2026 Humboldt Bay Marathon?
The 2026 Humboldt Bay Marathon will be held on Sunday August 9, 2026.
Is the Humboldt Bay Marathon a Boston Marathon Qualfier?
Yes, the Humboldt Bay Marathon is an official Boston Marathon qualifier.
Humboldt Bay Marathon Weather History
Humboldt Bay Marathon Weather Averages
Average Temp: 58°, Average Low: 54°, Average High: 65°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 55° | 56° | 57° | 59° | 59° | 62° | 63° | 64° |
| Feel | 55° | 56° | 57° | 59° | 59° | 62° | 63° | 64° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 3mph | 2mph | 2mph | 4mph | 7mph | 8mph | 10mph | 11mph |
| Dew | 53° | 55° | 55° | 56° | 55° | 57° | 57° | 56° |
| RunScore |  | | |  | | | | |
Humboldt Bay Marathon 2025
Aug 10, 2025
Clearing in the afternoon.
Low: 52°, High: 65°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 52° |  53° | 55° | 56° | 56° |  63° | 65° | 62° |
| Feel | 52° | 53° | 55° | 56° | 56° | 63° | 65° | 62° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 3mph | 3mph | 2mph | 5mph | 7mph | 7mph | 8mph | 7mph |
| Dew | 52° | 52° | 55° | 55° | 53° | 55° | 55° | 53° |
| RunScore | | | | | | | | |
Humboldt Bay Marathon 2024
Aug 11, 2024
Cloudy skies throughout the day.
Low: 55°, High: 62°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 55° | 55° | 55° | 56° | 56° | 58° | 58° | 61° |
| Feel | 55° | 55° | 55° | 56° | 56° | 58° | 58° | 61° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 4mph | 3mph | 0mph | 3mph | 7mph | 7mph | 9mph | 10mph |
| Dew | 54° | 54° | 55° | 55° | 55° | 57° | 56° | 56° |
| RunScore | | | | | | | | |
Humboldt Bay Marathon 2023
Aug 13, 2023
Partly cloudy throughout the day.
Low: 54°, High: 65°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 55° | 56° | 57° | 61° | 61° | 64° | 64° | 65° |
| Feel | 55° | 56° | 57° | 61° | 61° | 64° | 64° | 65° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 3mph | 0mph | 3mph | 10mph | 7mph | 8mph | 9mph |
| Dew | 54° | 55° | 57° | 58° | 56° | 59° | 59° | 58° |
| RunScore | | | | | | | | |
Humboldt Bay Marathon 2022
Aug 14, 2022
Partly cloudy throughout the day.
Low: 56°, High: 63°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 58° | 58° | 59° | 60° | 61° | 61° | 63° | 62° |
| Feel | 58° | 58° | 59° | 60° | 61° | 61° | 63° | 62° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 6mph | 5mph | 4mph | 4mph | 6mph | 9mph | 10mph | 12mph |
| Dew | 56° | 56° | 57° | 57° | 56° | 57° | 57° | 57° |
| RunScore | | | | | | | | |
Humboldt Bay Marathon 2019
Aug 11, 2019
Clear conditions throughout the day.
Low: 52°, High: 70°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 53° | 57° | 60° | 63° | 63° | 64° | 67° | 68° |
| Feel | 53° | 57° | 60° | 63° | 63° | 64° | 67° | 68° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 4mph | 2mph | 2mph | 5mph | 5mph | 7mph | 12mph | 14mph |
| Dew | 51° | 55° | 56° | 56° | 55° | 57° | 56° | 56° |
| RunScore | | | | | | | |  |
Humboldt Bay Marathon 2018
Aug 12, 2018
Partly cloudy throughout the day.
Low: 56°, High: 63°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 57° | 57° | 58° | 58° | 57° | 61° | 61° | 63° |
| Feel | 57° | 57° | 58° | 58° | 57° | 61° | 61° | 63° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 2mph | 2mph | 5mph | 2mph | 6mph | 8mph | 9mph | 10mph |
| Dew | 56° | 56° | 55° | 57° | 56° | 57° | 57° | 57° |
| RunScore | | | | | | | | |
Humboldt Bay Marathon 2017
Aug 13, 2017
Partly cloudy throughout the day.
Low: 54°, High: 68°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 54° | 57° | 60° | 62° | 62° | 65° | 67° | 68° |
| Feel | 54° | 57° | 60° | 62° | 62° | 65° | 67° | 68° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 0mph | 0mph | 1mph | 7mph | 7mph | 9mph | 16mph | 14mph |
| Dew | 53° | 56° | 56° | 56° | 56° | 58° | 59° | 60° |
| RunScore | | | | | | | | |
Humboldt Bay Marathon 2016
Aug 14, 2016
Cloudy skies throughout the day with morning rain.
Low: 51°, High: 60°, Light Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp |  51° | 51° | 52° | 54° |  54° | 57° | 59° | 60° |
| Feel | 51° | 51° | 52° | 54° | 54° | 57° | 59° | 60° |
| Rain | - | - | - | - | light | - | - | - |
| Wind | 3mph | 0mph | 1mph | 3mph | 6mph | 8mph | 7mph | 9mph |
| Dew | 51° | 51° | 52° | 54° | 54° | 54° | 54° | 54° |
| RunScore | | | | | | | | |
Humboldt Bay Marathon 2015
Aug 9, 2015
Partly cloudy throughout the day.
Low: 53°, High: 66°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 56° | 59° | 60° | 63° | 63° | 65° | 66° | 66° |
| Feel | 56° | 59° | 60° | 63° | 63° | 65° | 66° | 66° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 2mph | 4mph | 2mph | 5mph | 7mph | 9mph | 11mph | 12mph |
| Dew | 55° | 57° | 57° | 57° | 57° | 58° | 58° | 58° |
| RunScore | | | | | | | | |