the men's and women's winners of the 2011 boston marathon ran in the first b.a.a. 10k and both won their respective categories. geoffrey mutai won the men's race in 27 minutes 19 seconds (a state record), while caroline kilel crossed the line in 31:58 to win the women's section. mutai defended his title a year later while kim smith set a women's record of 31:36.