Emory University junior Adam Rabushka set a new career-best time in the 400-meter hurdles and helped the 4x400-meter relay team to one of the top-times in school history at the Georgia Invitational in Athens on Saturday.  Rabushka finished seventh in the 400-meter hurdles with a time of 53.40 seconds, the fastest mark in the UAA this season, 16^th-fastest in Division III, and a .16-second improvement on his previous career-best time.  He also ran the second leg of the Eagles’ 4x400-meter relay, which finished third in a time of 3:15.55, the ninth-fastest in school history and 23^rd among Division III teams this season.