Time | Date | Name | Team | Meet |
---|---|---|---|---|
53.58 | Nov. 10, 2023 | Izzy Beu | Saint Charles North High School | IHSA Girls State Championships |
53.72 | Nov. 16, 2018 | Mallory Jump | Saint Charles North High School | IHSA Girls State Championship |
55.10 | Nov. 10, 2018 | Mallory Jump | Saint Charles North High School | IHSA Sectionals - Saint Charles North (Girls) |