Another Chinese doping allegation has flared up at the Paris Games, angering some swimmers who say officials need to enforce drug-testing rules consistently.

Katie Ledecky got started on what she hopes will be her first gold medal of the Paris Olympics, fastest in the heats of the 1,500-meter freestyle.

With some of America’s biggest stars deciding to stay home, Claire Curzan and Hunter Armstrong have claimed the spotlight at the World Aquatics Championships in Doha, Qatar.

Katie Ledecky has won the women’s 1,500-meter freestyle with ease at the swimming world championships on a day that saw fellow American Ryan Murphy triumph in the men’s 100 backstroke.

Katie Ledecky won the 1,500-meter freestyle at the Pro Swim Series meet with the world’s fastest time this year.