INDIANAPOLIS — Swimming superstar Katie Ledecky has punched her ticket to Paris and her fourth Olympic team.

In Indianapolis Saturday night, Ledecky, a seven-time gold medalist, won the 2024 U.S. Olympic swim trials final in the women’s 400m freestyle, clinching a spot on Team USA. Paige Madden finished second, but has not yet qualified.

In the men’s 400m freestyle final, 19-year-old Aaron Shackell was victorious is also Paris-bound. 

It will be the first Olympics for Shackell, the son…