The Boston Athletic Association (B.A.A.) today announced that an elite field of world class athletes will compete in the Fifth Annual B.A.A. 5K, the first race of the 2013 B.A.A. Distance Medley, on Sunday, April 14, 2013. Kim Smith (NZL) and Allan Kiprono (KEN) will defend their titles in the B.A.A. Distance Medley, a three-race series which awards $100,000 to the male and female with the fastest cumulative time from all three races. Defending B.A.A. 5K women’s champion and course record holder Werknesh Kidane (ETH) will once again compete in this year’s B.A.A. 5K, which awards a combined prize purse of $25,000.