Sharon Cherop and Wesley Korir overcame high temperatures to win the 116th Boston Marathon today in 2:31:50 and 2:12:40, respectively, leading a Kenyan sweep of the top three women's and men's places. Cherop, last year's third-place finisher, took a two-second victory over Jemima Sumgong with a hard surge in the final quarter mile. Korir, a Kenyan who graduated from the University of Louisville in 2008, was a surprise winner in the men's race after favorite and defending champion Geoffrey Mutai dropped out with cramps around mile 17. Boulder, Colorado, runner Jason Hartmann was the top American finisher, running 2:14:36 for fourth place. On Saturday, the Boston Athletic Association warned that hot weather could be dangerous for all but the fittest runners. Temperatures rose to the mid 80s by race time.
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