Sallie Wambui, of Kenya, displays her country's flag Saturday, April 19, 2014, along Boylston Street in Boston, in advance of Monday's 118th Boston Marathon. (AP Photo/Robert F. Bukaty)
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Sallie Wambui, of Kenya, displays her country's flag Saturday, April 19, 2014, along Boylston Street in Boston, in advance of Monday's 118th Boston Marathon. (AP Photo/Robert F. Bukaty)
