The Latest on the Olympics ahead of the Rio Games (all times local):
1:55 p.m.
Michael Phelps qualified sixth fastest in the 100-meter butterfly heats at the U.S. Olympic trials.
The 18-time Olympic gold medalist was third in his heat with a time of 51.87 seconds. Phelps' rival, Ryan Lochte, qualified in ninth at 52.66.
Grabbing a bit of glory as top qualifier was Matthew Josa with a time of 51.61. The 21-year-old swims for Division III Queens University in his hometown of Charlotte, North Carolina.
Second fastest was Tim Phillips in 51.68 and Seth Stubblefield was third at 51.