Katie Ledecky returned to the top of the podium at the World Aquatics Championships after delivering a gold medal-winning performance in the 1,500-meter freestyle.

Summer McIntosh is off to a perfect start at the swimming world championships with two gold medals in two days. The 18-year-old Canadian star took the 200-meter individual medley by clocking 2 minutes 06.

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,