| Time | Date | Name | Meet |
|---|---|---|---|
| 52.95 | Nov. 22, 2019 | Megan Deuel | NYSPHSAA Girls Federation Championship |
| 53.83 | Nov. 16, 2018 | Megan Deuel | New York Girls Federation Championship |
| 54.23 | Nov. 17, 2017 | Megan Deuel | New York Girls Federation Championships |
| 55.04 | Nov. 1, 2017 | Megan Deuel | NYSPHSAA Section V Championships - Class A |
| 55.59 | Nov. 18, 2016 | Megan Deuel | New York Girls Federation Championships |
| 56.09 | Nov. 3, 2016 | Megan Deuel | NYSPHSAA Section V Championships - Class A |
| 56.10 | Nov. 4, 2015 | Emma Corby | NYSPHSAA Section V Championships - Class A |
| 58.25 | Sept. 12, 2015 | Becca Evans | New York Best Times |
| 59.27 | Nov. 21, 2014 | Emma Corby | 15 New York Girls Public High School Association Championships |
