Meb Keflezighi, of San Diego, Calif., celebrates his victory with an American flag after the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Charles Krupa)
Donny Sazama, of Hermantown, Minn., carries an American flag as he runs past the 26 mile mark of the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Robert F. Bukaty)