LIVEBARN Race of the Week: Katie Grimes Scares 400 IM American Record with 4:31.81

Sandpipers of Nevada 17-year-old Katie Grimes clocked a personal-best 4:31.81 to win the women’s 400 IM final at the 2023 Fran Crippen SMOC meet on Saturday night, making her the second-fastest swimmer ever in the U.S. girls’ 17-18 national age group (NAG) rankings.

Top 400 IMers, U.S. Girls’ 17-18 NAG Rankings

  1. Elizabeth Beisel – 4:31.78
  2. Katie Grimes – 4:31.81
  3. Katie Hoff – 4:32.89
  4. Emma Weyant – 4:35.47
  5. Dagny Knutson – 4:36.02

This is your LIVEBARN Race of the Week because Grimes is now less than a second away from breaking the American record of 4:31.12 that Katie Hoff set back at the 2008 Olympic Trials, and she’s still in high school. Grimes is also the second-fastest in the world this season behind Summer McIntosh‘s world-record 4:25.87 from earlier this month.


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1 month ago

Open water is her best chance for gold

About Riley Overend

Riley is an associate editor interested in the stories taking place outside of the pool just as much as the drama between the lane lines. A 2019 graduate of Boston College, he arrived at SwimSwam in April of 2022 after three years as a sports reporter and sports editor at newspapers …

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