Geoffrey Kirui of Kenya is the men's winner of the 121st Boston Marathon. Galen Rupp of the United States finished second. Edna Kiplagat of Kenya is the women's winner.
Americans Jordan Hasay and Desiree Linden finished third and fourth, behind second-place finisher Rose Chelimo of Bahrain.
More than 30,000 people laced up 26.2 mile race that has some of the strictest entry requirements in the world. Security remained tight at the event as it has since the 2013 finish-line bombing.
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