Katie Ledecky won her seventh consecutive world title at the world championships in Singapore, on Saturday, Aug. 2, in the 800-meter freestyle. She also won gold in the 1,500m and bronze in the 400m races.

Katie Ledecky stubbornly refused to give up her 800-meter freestyle crown Saturday at the world championships in Singapore, winning that race for a seventh consecutive time and fending off Canada's

American Katie Ledecky continued domination of the women's 800 meters freestyle with a brilliant swim to win gold.