Locations Of Boston Marathon Explosions

The 2013 Boston Marathon bombings occurred on April 15, 2013, when two bombs were detonated during the Boston Marathon at approximately 2:50 p.m. EDT (18:50 UTC) on Boylston Street near Copley Square, just before the finish line. A third explosion at JFK library 3,5 miles away.

Click to enlarge

 The two bombs at the finish line (Click to enlarge)

Sources: The Telegraph, ABC News