Canada's Summer McIntosh and American Katie Ledecky will square off in the women's 400 and 800-metre freestyle events at the swimming world championships in Singapore. Here's a look at both matchups,

In one of the most highly anticipated races of the season, Summer McIntosh beat Katie Ledecky to claim the 400 free gold in Singapore. On the opening night of the 2025 World Aquatics Championships, McIntosh,

Summer McIntosh beat the field by nearly two seconds to take gold in the 400m freestyle at the World Aquatics Championships in Singapore.