| Time | Date | Name | Meet |
|---|---|---|---|
| 46.66 | Dec. 10, 2021 | Kamal Muhammad | Speedo Winter Junior Championship East |
| 47.32 | March 27, 2021 | Peter Sacca | GA SPAC Lifetime Not Divisionals |
| 48.03 | March 19, 2021 | Peter Sacca | Georgia SC Senior State Meet |
| 48.28 | Dec. 12, 2020 | Kamal Muhammad | 18&U Winter Championships - Norcros |
| 49.50 | Dec. 7, 2019 | Peter Sacca | Georgia Senior Championship |
| 49.69 | Dec. 7, 2018 | Mikael Getahoun | Time Trials East Speedo Winter Jrs |
| 50.55 | Nov. 18, 2018 | Peter Sacca | FL YCF Almost Turkey Invitational |
| 50.80 | March 9, 2018 | Philip Goeckel | Speedo Champions Series - Greensboro |
| 51.85 | Dec. 8, 2017 | Philip Goeckel | Georgia Senior Championship |
| 53.11 | Nov. 19, 2017 | Philip Goeckel | FL YCF Almost Turkey Invitational |
| 54.56 | March 5, 2017 | Philip Goeckel | SE Auburn Classic |
| 55.77 | Jan. 14, 2017 | Sam Powell | SE Ralph Crocker Classic |
| 55.78 | Nov. 20, 2016 | Sebastian Rodriguez | FL YCF Almost Turkey Invitational |
