SoCal River Marathon
Race Day Weather
Cool start, slight warming trend
Runners will face a temperature rise from 54°F at the start to 62°F by the finish, with a steady 8 mph headwind from the south starting at mile 11. Humidity will be moderate at 59%, so maintaining hydration is key. The first half offers a tailwind that may help pacing, but the latter part requires a conservative approach to manage the headwind on the flat terrain.
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Race Info
The SoCal River Marathon, established in 2026, is a Boston Qualifier and a unique race due to its scenic course from Yorba Linda to Huntington Beach State Park. Runners enjoy a gradual downhill over 26.2 miles on the paved Santa Ana River Trail, passing landmarks like Disneyland and Angel Stadium. The course offers diverse landscapes, transitioning from desert to urban areas and finishing by the beach. Source
FAQ
When is the 2027 SoCal River Marathon?
Is the SoCal River Marathon a Boston Marathon Qualifier?
What is the time limit for the SoCal River Marathon?
What will the weather be like for the 2027 SoCal River Marathon?
Historical Weather
Temperature History
Range of temperatures during race hours for each year.
Detailed History
| Year | Conditions | Low / High | Rain | Dew Point | Score |
|---|---|---|---|---|---|
2026 | | 65°/80° | - | 55° | |
2025 | | 58°/64° | - | 49° | |
2024 | | 59°/63° | Light | 54° | |
2023 | | 51°/60° | - | 46° | |
2022 | | 55°/60° | - | 39° | |
2019 |  | 56°/61° | Light | 57° |