Watch the Day 4 preliminary round of the Canadian swim trials in Victoria

Click on the video above at 12:30 p.m. ET to watch live coverage of the Day 4 preliminaries at the Canadian swim trials in Victoria.

The day features a red-hot Summer racing in the women's 200-metre butterfly, an event she captured a gold medal in at the 2024 Paris Olympics.

The women's 100m freestyle event features seven-time Olympic medallist Penny Oleksiak. In the men's 100m freestyle, Josh Liendo and Yuri Kisil will do battle, while on the Para front, six-time Paralympic champion Aurelie Rivard, competes in the women's 50m freestyle.

McIntosh continues to etch her name in history during Canadian swimming trials at the Saanich Commonwealth Place pool.

The 18-year-old shattered the world record in the women's 200-metre individual medley on Monday, touching the wall in 2 minutes, 5.7 seconds.

"I'm really just trying to take it one race at a time and really kind of cruising the heats, kind of stretching it out and then coming into every final session super, super locked in and focused," the Toronto native told CBC Sports' Devin Heroux.

"[I'm] really just motivated to put some really good times down, and overall I'm really happy with tonight," she added.

WATCH | McIntosh wins 200m IM, setting 2nd world record at Canadian trials:

McIntosh sets world record in the 200-metre individual medley at Canadian Swimming Trials

She becomes the first woman ever to finish under 2:06 in the event, eclipsing the previous world mark set by Katinka Hosszú of Hungary, set in 2015.

On Saturday, McIntosh broke the women's 400m freestyle world record previously held by Australian superstar Ariarne Titmus.

"I knew going into trials I could do something special in every single event and I'm really excited for [the] 200 fly tomorrow and then