In the 1,500, there’s Katie Ledecky and then there’s everyone else

Katie Ledecky (USA) in the women’s 400-meter freestyle medal ceremony during the Paris Summer Olympic Games on Saturday at Paris La Défense Arena. (Rob Schumacher/USA TODAY)

Katie Ledecky (USA) in the women’s 400-meter freestyle final during the Paris Summer Olympic Games on Saturday at Paris La Défense Arena. (Rob Schumacher/USA TODAY)

NANTERRE, France — The last time that Katie Ledecky was beaten in a 1,500-meter freestyle event was a regional swim meet in Maryland 14 years ago.