Last year's winners of the Boston Marathon, Rita Jeptoo of Kenya, left, and Lelisa Desisa of Ethiopia, wave as they are introduced during a media availability of Boston Marathon elite runners at the ... more 
Last year's winners of the Boston Marathon, Rita Jeptoo of Kenya, left, and Lelisa Desisa of Ethiopia, wave as they are introduced during a media availability of Boston Marathon elite runners at the Copley Plaza Hotel in Boston Friday April 18, 2014. The 118th running of the Boston Marathon is Monday April 21, 2014. (AP Photo/Stephan Savoia) less 
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Associated Press | Photo By Stephan Savoia
Fri, Apr 18, 2014 2:15 PM EDT