It's been called the sweetest left turn in the world, the corner of Hereford that leads to the final stretch of the Boston Marathon on Boylston Street. For a few hours, once a year, Boylston becomes the hallowed ground for thousands of runners. Boston on this day doesn't become the name of the city. It's the name of the race, run on Patriot's Day, also known by those who line the 26.2 mile route as "Marathon Monday." Citizens and runners alike love the event. No question. So when I heard about bombs and Boston, it was a shock to the system. I know more than several runners down there and I've literally been in their shoes, struggling down that final straightaway. The finish of the Boston Marathon is the happiest place for a runner, where dreams are fulfilled.