The B.A.A. Distance Medley is a three-race series which combines the B.A.A. 5K (Boston Marathon Weekend), the B.A.A. 10K, presented by Brigham and Women's Hospital (late June), and the B.A.A. Half Marathon, presented by Dana-Farber Cancer Institute and the Jimmy Fund (Columbus Day Weekend). Professional runners are eligible for bonus incentives for multiple top finishes in the same calendar year at the B.A.A. 5K, B.A.A. 10K, B.A.A. Half Marathon, and Boston Marathon, beginning with the B.A.A. 5K.