The Commandant of the Marine Corps, Gen. James F. Amos, right, congratulates the 10K women's 1st and 2nd place finisher, Susanna Sullivan, center, and Laura Garrow, left, following the 10K portion of the 38th Marine Corps Marathon in Arlington, Va., Oct. 27, 2013. The Marathon consisted of 23,480 participants routing their way through Arlington, up Rock Creek Parkway, along the monuments and past the Pentagon, finishing at the Marine Corps War Memorial. (U.S. Marine Corps photo by Sgt. Mallory S. VanderSchans/Released)