China’s world record-holder and Olympic champion, Sun Yang, confirmed his shock withdrawal from Sunday’s 1,500m freestyle final at the world championships was down to a heart problem.

Katie Ledecky lowered her own world record by 3.61 seconds in winning the 800 metre freestyle for her fifth gold medal at the world swimming championships last night.

Gregorio Paltrinieri’s strategy to dethrone Sun Yang during the longest race in the pool is simple: gain a big lead on the Chinese superstar and never look back.

China’s Ning Zetao was the shock winner of the men’s 100m freestyle gold at the world swimming championships on Thursday as Australia’s Cameron McEvoy had to settle for silver.

After a disappointing start to the world swimming championships, Ryan Lochte reminded everyone that at 31 he’s still got gold in him. The American made history on Thursday, becoming the first man to win the 200 metre individual medley four consecutive times. Lochte trailed through the first three legs but came home strong on the freestyle lap and touched first in one minute, 55.81 seconds.

Add another gold medal to Katie Ledecky’s burgeoning collection. The 18-year-old American won the 200 metre freestyle at the world swimming championships on Wednesday night against a stellar field that included defending champion Missy Franklin of the United States and two-time winner Federica Pellegrini.

It was a night of highs and lows, with Katie Ledecky smashing her own world record and China's "golden boy" Sun Yang outsprinted for gold at the Fina world championships in Kazan.

The women are getting it done at the world swimming championships. Sarah Sjostrom of Sweden lowered her own world record in the 100-meter butterfly to win gold Monday night, after first breaking the mark set by American Dana Vollmer at the 2012 London Olympics in the semi-finals on Sunday.

Talented Siobhan Haughey hopes for more encouraging results at the world championships in Kazan, Russia, after becoming the first Hong Kong swimmer to make the Olympic qualification A standard.

Qiu Bo equalled the great Greg Louganis’s feat of three world titles on Sunday as China finished with 10 medals to underline their domination of the diving competition at the world championships

Sun Yang hit back at the criticism stemming from his doping ban after defending his world title in the 400-meter freestyle at the swimming world championships Sunday

Siobhan Haughey became the first swimmer from Hong Kong to make the Olympic qualifying A standard after reaching the semi-finals of the women’s 200-metre individual medley at the world championships in Kazan, Russia, on Sunday.

With one eye on Rio de Janeiro, swimming's stars begin the battle on Sunday for world championship medals in Kazan, Russia, to prove their form heading into the 2016 Olympics.

Singapore's Joseph Schooling has set his sights on making a huge splash on the global stage for his tiny nation at the world swimming championships.

Chinese swimming sensation Sun Yang cannot seem to escape the spotlight in or out of the water, and at the world championships, starting in Russia on Sunday, the towering freestyler will again be the name on everyone's lips.

China could repeat their 2011 sweep of the diving gold medals at the world aquatic championships after Monday’s double victory left then with five wins from five in Kazan

Germans Patrick Hausding and Sascha Klein admit they are almost powerless to prevent mainland stars from clean sweep in Kazan