Another Auburn swimmer, rising senior Jordan Anderson, finished sixth with a personal-record time of 52.65 in the race. Rising junior Andrew Mitchell was 14th with a time 53.72.
Only the top two swimmers in an event qualify for the world championships.
In the 50 freestyle, Auburn graduate assistant coach Bryan Lundquist finished fourth in 21.73.
In the B final 50 freestyle open to swimmers from other nations, former Tigers finished one, two and three with Olympic gold medalist Cesar Cielo of Brazil at 21.14, world record holder Fred Bousquet of France next at 21.36 and George Bovell from Trinidad & Tobago at 21.78 in third. Incoming freshman Adam Brown of England swam 21.99 for fourth. All four are expected to swim at the world championships.
Auburn's Micah Lawrence was 12th in the women's 100 breaststroke on Thursday night. Rising junior Caitlin Geary tied for 13th in the women's 50 free finals.