SoCal River Marathon
Race Day Weather
Warming temps, steady conditions
Runners will face a temperature rise from 59°F at the start to a peak of 81°F. With a light breeze from the SE at 9 mph and humidity at 53%, conditions are favorable. It's advisable for runners to pace themselves conservatively, especially as temperatures climb, to avoid overheating.
Pace Calculator
The SOCAL River Marathon is a a Full Marathon, Half Marathon, 10K and 5K on the Santa Ana River Trail. Though this course is primarily flat there is a gradual decline of 365 feet over 26.2 Miles which feels like nothing. The only real up and downs on this course are going under freeways or roads. This course is so much fun and highlights the Southern California area from the desert to Orange County passing closely to Disneyland next to Anaheim Stadium. This race finishes at Huntington Beach State Park. Source
FAQ
When is the 2026 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 2026 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 |
|---|---|---|---|---|---|
2025 | | 58°/64° | - | 49° | |
2024 | | 59°/63° | Light | 54° | |
2023 | | 51°/60° | - | 46° | |
2022 | | 55°/60° | - | 39° | |
2019 |  | 56°/61° | Light | 57° |