DETROIT (WWJ) -- The historic Corktown Races will be managed by the organizers of the Detroit Free Press Marathon. The management agreement between the Fraternal Order of United Irishmen, owners of the Corktown Races, and the Detroit Free Press Marathon was announced on Tuesday. Detroit’s St. Patrick’s Day Parade and the Corktown Races are both traditionally held on the Sunday before the holiday. Thousands of runners participate in the 5K, Emerald Mile and Kids Quarter Mile races each year.