Gangloff swam a time of 59.01 to break the record of 59.13 held by Brenden Hansen.
Another Auburn swimmer, Eric Shanteau, finished second in the event and will also represent the United Sates at the FINA World Championships scheduled for July 26 through August 2 in Rome. Shanteau swam a time of 59.45.
Adam Klein, an Auburn junior, posted a time of 1:00.99 to finish seventh in the 100 breaststroke.
Another Auburn swimmer, senior Maggie Bird, was seventh in the women's 400-meter freestyle finals in a time of 4:13.72.