OC Marathon
Race Day Weather
Mild temps, mixed wind conditions
Runners will face temperatures starting at 60°F and warming slightly to 62°F, with humidity at 78%. Wind will be light, shifting from a headwind at mile 2 to a tailwind from miles 8 to 15, then returning to headwinds in the later miles. Runners should consider a conservative pace in the early miles and capitalize on the tailwind for faster splits during the mid-race segment.
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Race Info
The OC Marathon, established in 2004, starts near Fashion Island in Newport Beach and finishes at the OC Fair & Event Center in Costa Mesa. The course offers scenic coastal views as it winds through Newport Beach, Costa Mesa, and Santa Ana, hitting landmarks like the Segerstrom Center for the Arts. With a net downhill profile, it’s known for its mix of flat and rolling sections, though runners face a notable incline at mile 14.5 over the 405 Freeway overpass.
