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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.

McIntosh won her race but placed second behind Australia's Elizabeth Dekkers in the overall semifinal standings on Wednesday morning, recording a subdued time of 2 minutes 6.22 seconds.

"Going into tonight I [knew] I just needed to get through to the final and use the least amount of energy possible," McIntosh told CBC Sports' Devin Heroux after the semifinal.

"I really just did not try the first hundred [metres] and then gave a little bit of a kick just to get my hand on the wall," she added.

Why didn't Summer McIntosh push for world record in 200 fly semi? | The Ready Room

The women's long course world record in the event is held by China's Liu Zige, who set the mark of 2:01.81 at the Chinese National Games in 2009. The time was achieved with the use of the now-banned Speedo LZR Racer supersuit.

In June, however, McIntosh threatened Liu's mark with the second-fastest time ever of 2:02.26. And then she said she had more left to give.

"I think my last stroke was just a little bit wonky, so I think I have at least point-one, point-two in that alone. I can definitely find the other little bits and pieces throughout the race," McIntosh told Heroux at the time.

"The fact that I'm knocking on the door on that world record is really, really encouraging because that's the world record that I never thought I would even come close to."

Watch live coverage of every race at the swimming worlds on CBCSports.ca and CBC