When it comes to traveling, the best advice we’ve received is probably to be flexible and expect the unexpected. That certainly came into play on our journey to the NYC Marathon this past weekend. Let us tell you how it all started with our unexpected trip to Harrisburg. A Solid Start We like to fly early to minimize delays. So we were up at 3:30 am and out the door to the airport by 4:15. Even though we were able to pack in carryon bags we checked them. That way we didn’t have to lug them around the airport or worry about fighting for overhead bin space on the plane.…