McKeown disappointed despite nudging world record

Kaylee McKeown swam the second-fastest 100m backstroke of all time at the Australian Olympic trials.

Kaylee McKeown doesn't understand the fuss.

"Everyone kind of always puts the Olympics as this big thing," the Australian swim star said.

"For me, I just learnt that it's a pool in a different city.

"At the end of the day, it's just me diving in and doing what I can do best."

McKeown is already a dual Olympic gold medallist, having won both the 100m and 200m backstroke at the Tokyo Games of 2021.

Ever since, she has dominated the discipline.

So she's added the 200m individual medley to her schedule at the Paris Games starting late next month.

At Australia's selection trials on Monday night in Brisbane, McKeown posted a Commonwealth record in the medley - two minutes 6.63 seconds.

For a period in the medley race, the world record of Hungary's Katinka Hosszu - 2:06.12, set in 2015 - appeared in danger of falling.

McKeown's time was the fastest in the event this year.

And the 22-year-old, who infamously swore on live television after winning 100m backstroke gold in Tokyo, said it was a by-product of a new-found maturity.

"As you get older, you grow and you learn more," McKeown said.

"And I just think, from the last Olympics to this Olympics, I've learned a lot and I've grown a lot.

"I feel like I'm more mature and more in control of my emotions, so I'm excited to see what the rest of the year has."

The rest of year continues on Tuesday when McKeown races in the 100m backstroke at the selection trials at the Brisbane Aquatic Centre.

Other Tuesday finals include the women's 100m breaststroke, men's 100m backstroke and men's 200m freestyle.