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,

In the first of two anticipated showdowns at world championships, the Canadian phenom McIntosh was dominant against the American Ledecky.

Here is everything you need to know about watching the head-to-head battles between Ledecky and McIntosh at the 2025 Swimming World Championships, including TV and streaming options for races.