No, he steps onto the parade route before the start time of the parade. I think he heads out somewhere between 5 and 10 minutes before the parade starts, but he moves faster than the parade, so if you're waiting on Main Street, the time between his ride and the parade is longer. They make an announcement before he rides (it's a really short re-telling of the legend), so you know that means he's coming soon. So at that point have your camera ready (if you're taking pictures). He doesn't move all that fast, but he's not terribly slow either.