The action at the 2025 World Aquatics Championships continues Tuesday evening with Australia's five-time Olympic champion Kaylee McKeown looking to continue her dominance in the women's 100m backstroke.

Katie Ledecky was able to compete, renewing her rivalry with Canada's Summer McIntosh in the 400 freestyle. McIntosh comfortably won the final in 3:56.26, with Ledecky finishing third at 3:58.49. Neither Ledecky nor McIntosh swam near their best times from earlier in the year.

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.

Katie Ledecky has always made waves, both out of the pool and in it as a competitive swimmer. Holding world records and nine Olympic gold medals, she’s performing at her seventh World Aquatics Championships with the same determination as her first.

The action at the 2025 World Aquatics Championships continues Tuesday evening with Australia's five-time Olympic champion Kaylee McKeown looking to continue her dominance in the women's 100m backstroke.

World record holder Regan Smith was fastest in the women's 100 metres backstroke preliminaries at the world championships in Singapore on Monday as the American laid down an early marker in her upcoming battle with Australia's Kaylee McKeown.

In a race about seconds, it was the years which showed. Read more at straitstimes.com. Read more at straitstimes.com.

Summer McIntosh claimed the women's 400m freestyle world title at the Singapore meet, defeating Katie Ledecky. Meanwhile, Lukas Maertens won the men's 400m final. Additionally, Gretchen Walsh topped the women's 100m butterfly qualifying.