Summer McIntosh Posts 4:23.65 400 IM to Break Her Own World Record - SwimSwam

Last Updated: 03.07.2025 03:03

Summer McIntosh Posts 4:23.65 400 IM to Break Her Own World Record - SwimSwam

<ul><li></li>World Record: 4:24.38 Summer McIntosh, CAN (2024)

2025 CANADIAN SWIMMING TRIALS

<li>World Aquatics A C… [+2266 chars]

A 41-year-old longevity doctor says his 'biological age' is 24. He takes 3 supplements daily. - Business Insider

<li></li>Canadian Record: 4:24.38 Summer McIntosh, (2024)

Womens 400 IM  Finals