Teenage swimmer breaks two world records in four daysSixteen-year-old Summer McIntosh broke the world record for the 400m individual medley at the Canadian swimming trials on Saturday -- just days after breaking the world record for the 400m freestyle.
Source: Teenage swimmer breaks two world records in four days (https://www.cnn.com/2023/04/03/sport/summer-mcintosh-world-record-canada-swimmer-spt-intl/index.html)