Boston Marathon bombing survivors including Marc Fucarile, lower right, gather on the field at Fenway Park during ceremonies marking the one-year anniversary of the bombing before a baseball game between the Boston Red Sox and the Baltimore Orioles in Boston, Sunday, April 20, 2014. (AP Photo/Michael Dwyer)
Meb Keflezighi, of San Diego, Calif., becomes emotional after winning the 118th Boston Marathon, Monday, April 21, 2014, in Boston. (AP Photo/Elise Amendola)
Josphat Boit, left, and Meb Keflezighi, compete along the course of the 118th Boston Marathon Monday, April 21, 2014 en route to Boston. (AP Photo/Steven Senne)
Meb Keflezighi, of San Diego, Calif., is hugged after crossing the finish line to win the 118th Boston Marathon Monday, April 21, 2014 in Boston. (AP Photo/Charles Krupa)
Meb Keflezighi, of San Diego, Calif., celebrates as he crosses the finish line to win the 118th Boston Marathon, Monday, April 21, 2014, in Boston. (AP Photo/Charles Krupa)