Sun Yang became only the second man to defend the 800 meters men's freestyle title at the FINA World Championships when he swam to victory in Barcelona.
Ning Zetao of China led all the way to win the 100-meter freestyle in 47.84 seconds at the world swimming championships on Thursday.
Sun Yang showed his dominance in the long distance freestyle by winning the men's 800m freestyle for the third straight time at the world championships on Wednesday.
Chinese sprinter Ning Zetao edged favorites Cam McEvoy and Vladimir Morozov to lead the 100-meter freestyle preliminaries at the swimming world championships on Wednesday.
Britain's world championships debutant James Guy beat hot favorite China's Sun Yang to win the men's 200-meter freestyle at the Kazan worlds on Tuesday.
China pocketed a bronze on the second competition day of swimming at the Kazan worlds here on Monday, while three world records were smashed.
China's star swimmer Sun Yang proved that he is still the fastest man in the men' s 400-meter freestyle at the Kazan world championships here on Sunday.
2015 FINA World Championships: Synchronized Swimming
The FINA Diving World Series Beijing will open at the "Water Cube" National Aquatic Center next week.
For London Olympic champion Ruta Meilutyte, taking part in the Youth Olympic Games is a once-in-a-lifetime experience. So she decided to skip the European Swimming Championships to come to Nanjing.
Hungary's world champion Katinka Hosszu and South Africa's Olympic champion Chad Le Clos will be the top stars at the the FINA short course World Cup in Beijing on Nov 13-14.
China's swimming star Sun Yang dominated the men's 400-meter freestyle at the National Games on Wednesday while Ye Shiwen seemed back on track with a 400m individual medley title.