Watch Summer McIntosh Shatter Her World Record in the 400 IM at Canadian Trials (Race Video)

2024 CANADIAN OLYMPIC & PARALYMPIC TRIALS

While she may have been ‘not happy’ with her opening effort at the Canadian Olympic Trials this week in the 400 free, 17-year-old Summer McIntosh has grown into the meet, breaking her own World Record in the 400 IM on Thursday evening.

McIntosh finished 1st in the final with a 4:24.38. That took a second-and-a-half off her own record of 4:25.87 done at last year’s Canadian Trials and puts her almost two full seconds ahead of Hungarian Katinka Hosszu, the second-fastest swimmer in the history of the event.

Splits Comparison

MCINTOSH – 2024 MCINTOSH – 2023 HOSSZU – 2016
100 59.18 59.47 1:00.91
200 2:06.30 (1:07.12) 2:06.39 (1:06.92) 2:08.39 (1:07.48)
300 3:23.43 (1:17.13) 3:25.31 (1:18.92) 3:24.50 (1:16.11)
400 4:24.38 (1:00.95) 4:25.86 (1:00.56) 4:26.36 (1:01.86)

The big difference-maker was improvements on the breaststroke leg, which is McIntosh’s weakest of the four strokes. She was 1.8 seconds better on that leg, which offset being three-tenths slower over the other 300 meters.

The 17-year-old McIntosh trains in Florida with the Sarasota Sharks after growing up training with the Etobicoke Swim Club in suburban Toronto. She is a four-time World Champion in long course, winning the 200 fly and 400 IM at both the 2022 and 2023 World Championships.

After breaking the World Record in the 400 IM at last year’s Canadian Trials, McIntosh added 1.24 seconds, but still cruised to a win by more than four seconds.

McIntosh has already secured spots on the Canadian Olympic Team in the 400 free (3:59.06) and 200 free (1:53.69) earlier in the week. She has remaining entries in the 200 fly and 200 IM and scratched the 100 back.

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Craig
1 month ago

She is truly special…. I don’t know if we realize how great the current crop of elite women swimmers are. If the 200 fly and IM records do go down every WR will be held by a current swimmer who is in medal contending form. (Sarah not doing 100 fly… but I think she could still medal if it was her focus.)

StuartC
1 month ago

Come on! – This story and headline deserves to remain at the top of the page for at least 24 hours!

Viola Smiles
1 month ago

Did Summer scratch the 100m Freestyle today?

e-Swimmer77
Reply to  Viola Smiles
1 month ago

She did.

Viola Smiles
1 month ago

I’m not sure when Canada’s had such an amazing swimmer! Summer is just crushing record after record! Can’t wait for the 200 Butterfly…….

BGray
1 month ago

She’s entering Simone Biles territory.

Revsticky
1 month ago

That. Was. Awesome.

There's no doubt that he's tightening up
1 month ago

The official results having “World record?” with the question mark next to Summer’s time is peak Canadian politeness

Alison England
1 month ago

Fabulous swim!

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Braden Keith

Braden Keith is the Editor-in-Chief and a co-founder/co-owner of SwimSwam.com. He first got his feet wet by building The Swimmers' Circle beginning in January 2010, and now comes to SwimSwam to use that experience and help build a new leader in the sport of swimming. Aside from his life on the InterWet, …

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