USA Swimming Olympic Roster 2016: Meet the Team for Rio

Chase Kalisz

Event: Men's 400m IM

Kalisz, 22, hasn't been to the Olympics, but he has had some success at World Championships, earning a silver in the 400m IM in 2013 and a bronze in 2015. His older sister, Courtney, was the youngest competitor (14) to reach the semis at the 2004 Olympic trials. (Getty)