The OC Marathon is ranked as one of the best running events in California. The course is beautiful, the weather is mild, and best of all, there’s little elevation gain. As a casual neighborhood runner, I was on the fence about whether or not the OC Marathon was for me. But after taking a closer look at the course itself, I signed up and I haven’t looked back. If you’re still unsure about committing to this event, read on for an in-depth look at the course. I bet you’ll be as pumped as I am for Race Day! Logistics: