Canadian swimming phenom Summer McIntosh was unable to beat American star Katie Ledecky in the women's 800-metre freestyle at the world championships Saturday, ending her quest to win five individual gold medals in Singapore.

American star Katie Ledecky won her seventh world title in the women’s 800-meter freestyle on Saturday, fending off the challenges of Canadian sensation Summer McIntosh and Australia’s Lani Pallister.

Also Friday, Toronto’s Josh Liendo and Montreal’s Ilya Kharun booked spots in the men’s 100-metre butterfly final Saturday. The two shared the Olympic podium in Paris last year, with Liendo taking silver and Kharun the bronze. Liendo turned in the second-fastest time in the semifinals of 50.24 seconds, while Kharun was fourth in 50.39.