Just like the Twin Towers were a locally secured NY landmark.<quoted text>
The Boston Marathon is locally managed & run by the various cities on the route & the Boston Athletic Association.
It is responsible for its security
Just because it is well known & attracts runners from all over the world doesn't change that.
Ever hear of DHS, Jerk?
Ever hear of Global Terrorism, Idiot? Jihad? Allah?
The world contains more than the busted glass, old tires and roadkill inside of your head, ImaginaryDave. Much more.