Katie Ledecky sets world record in 1,500-meter freestyle

Katie Ledecky, of the United States, celebrates after breaking the world record in the 1500-meter freestyle at the FINA Swimming World Cup meet in Toronto on Saturday. (Frank Gunn/The Canadian Press via AP)

TORONTO — Katie Ledecky is having a great time in her first competitive event of the season at this week’s FINA Swimming World Cup.