Leon Marchand admitted he was "struggling" on the final day of the world championships on Sunday after qualifying for the 400m individual medley final with an uncharacteristically sluggish swim.

Summer McIntosh is on track to finish the world championships with a fourth gold medal after being fastest in the 400 metres individual medley heats while Leon Marchand nearly missed the men's final ...

Summer McIntosh is on her way to winning a fourth gold medal at the world championships in Singapore, while 12-year-old Yu Zidi impresses by qualifying third in the 400 metres individual medley final.

The United States set the world record in the 4x100 freestyle mixed relay, clocking 3 minutes, 18.48 seconds in the swim ...

The retired greats took to Instagram to criticise the American contingent in Singapore, but performances have picked up as ...