Swimming great Katie Ledecky had no competition on her way to claiming a sixth women's 1,500 metre freestyle title at the World Aquatics championships in Singapore on Tuesday. The Olympic champion clocked 15 minutes 26.

The American swimming star cruised to a win Tuesday in her signature event. Only Michael Phelps now has more world championship medals.

Katie Ledecky leads the Americans on Tuesday at the swimming world championships, where the United States is the gold-medal favorite in four of the five finals on Day 3. The Americans have one gold from the first two days of the meet,