It Happens Here: Hopkinton, Home Of The Boston Marathon Start Line

HOPKINTON (CBS) - It Happens Here: Hopkinton. But it HAPPENED Here: Ashland. Huh? Why on earth is the Boston Marathon start line where it is? It's actually an interesting history lesson. In the video above, Chris McKinnon unravels how the Boston Marathon course came to be, why they run exactly 26.2 miles and how King Edward VII may be to blame.