Australian Kaylee McKeown, who won every backstroke title at the last two Olympics and at the 2023 Worlds, opted not to swim the 50m this year. She owns the world record of 26.86.

Summer McIntosh returns to the spotlight in her pursuit of five individual gold medals at these world championships for the women's 200-metre butterfly final at 7:02 a.m. ET on Thursday.

Canada’s Summer McIntosh continued her push to become the first woman to ever win five gold medals in a single swimming world championships after dominating the 200-meter butterfly Thursday in Singapore. It was McIntosh’s third gold of the week. Her 2:01.99 was the second-fastest women’s 200 butterfly ever and set a Canadian record.