Humboldt Bay Marathon
Race Day Weather
Cool conditions, steady pace
Runners will face a steady temperature rise from 54°F to 64°F, with humidity at 86% making it feel warmer. A consistent wind from the WSW at 12 mph may provide a slight tailwind. It's advisable for runners to maintain a steady pace and increase hydration frequency to counteract the humidity.
Pace Calculator
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. Source
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2025 | | 52°/65° | - | 54° | |
2024 |  | 55°/61° | - | 55° | |
2023 | | 55°/65° | - | 57° | |
2022 | | 58°/63° | - | 56° | |
2019 | | 53°/68° | - | 55° | |
2018 | | 57°/63° | - | 56° | |
2017 |  | 54°/68° | - | 57° | |
2016 |  | 51°/60° | Light | 53° | |
2015 | | 56°/66° | - | 57° |