20160717_KathrynBoydBatstone_USOlympicSwomTeamPractice

Katie Ledecky, 19, speaks about the growing attention for longer distance swim events. Photo by Kathryn Boyd-Batstone.

Katie Ledecky, 19, speaks about the growing attention for longer distance swim events. Photo by Kathryn Boyd-Batstone.

More than 500 people of all ages came out to the Northside Swim Center Saturday to watch the Unites States’ Olympic swim team in an open practice on July 16, 2016.