Michael Phelps, Katie Ledecky and Missy Franklin finish their Olympic Trials on Saturday (7 p.m. ET, NBC and NBC Sports app).
Phelps goes for his third win of the Olympic Trials in the 100m butterfly. The 22-time Olympic medalist is already on the Rio team in the 200m butterfly and 200m individual medley.
Ledecky also eyes her third victory in Omaha. She swims the event she won in London, the 800m freestyle. Ledecky previous prevailed in the 200m and 400m freestyles this week.
And Franklin races her signature event, the 200m backstroke.