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Summer McIntosh breaks 400m individual medley world record, extends historic week

Summer McIntosh

GREENSBORO, NORTH CAROLINA - DECEMBER 02: Summer McIntosh reacts after winning the Women’s 400m Individual Medley Final during the Toyota U.S. Open Championships at Greensboro Aquatic Center on December 02, 2022 in Greensboro, North Carolina. (Photo by Jared C. Tilton/Getty Images)

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Canadian swimmer Summer McIntosh broke her second world record this week, lowering the 400m individual medley mark on Saturday.

McIntosh, a 16-year-old who trains in Sarasota, Florida, clocked 4 minutes, 25.87 seconds at the Canadian Championships in Toronto.

She took down Hungarian Katinka Hosszu‘s world record of 4:26.36 from the 2016 Rio Olympics. Before Saturday, McIntosh had the fourth-fastest time in history of 4:28.61.

“It’s always nice to set world records,” McIntosh said.

On Tuesday, McIntosh broke the 400m freestyle world record, becoming the youngest swimmer to break a world record in an individual Olympic event since Katie Ledecky in 2013.

McIntosh also this week became the fourth-fastest woman in history in the 200m individual medley and the eighth-fastest woman in history in the 200m butterfly.

In each of her four races this week, she also broke the world junior record as the fastest woman in history under the age of 19.

She is entered to swim the 200m free on the meet’s final day on Sunday. She is already the eighth-fastest woman in history in that event.

McIntosh, whose mom swam the 1984 Olympic 200m fly and whose sister competed at last week’s world figure skating championships, placed fourth in the Tokyo Olympic 400m free at age 14.

Last summer, she won the 200m fly and 400m IM at the world championships, becoming the youngest individual world champion since 2011.

This summer, she could be at the center of a showdown in the 400m free at the world championships with reigning world champion Ledecky and reigning Olympic champion Ariarne Titmus of Australia. They are the three fastest women in history in the event.

Around age 7, McIntosh transcribed Ledecky quotes and put them on her wall.

MORE: McIntosh chose swimming and became Canada’s big splash

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