Meb Keflezighi First American Since 1983 to Win Boston Marathon; Women’s Winner Sets RecordMeb Keflezighi First American Since 1983 to Win Boston Marathon; Women’s Winner Sets RecordMeb Keflezighi won the Boston Marathon, becoming the first American to do so since 1983. The women's race saw Rita Jeptoo, of Kenya, set a new course record.Chris ChaberskiChris Chaberski