| Time | Date | Name | Meet |
|---|---|---|---|
| 47.54 | Feb. 22, 2024 | Aleksei Kolesnikov | New South Championships |
| 47.83 | Dec. 11, 2023 | Aleksei Kolesnikov | Delta State Christmas Invitational |
| 48.16 | Feb. 18, 2023 | Aleksei Kolesnikov | New South Conference Championships |
| 48.40 | Feb. 16, 2023 | Aleksei Kolesnikov | New South Conference Championships |
| 48.41 | Dec. 12, 2022 | Aleksei Kolesnikov | Delta State Christmas Invitational |
| 49.72 | Feb. 17, 2022 | Thom Naccarato | New South Intercollegiate Swim Conference Championships |
| 51.64 | Dec. 13, 2021 | Kevin Watkins | DSU Christmas Invitational |
| 51.86 | Feb. 25, 2021 | Kevin Watkins | New South Intercollegiate Swim Conference Championships |
| 53.67 | Nov. 9, 2020 | Thom Naccarato | Depauw-Wabash Virtual Invite |
| 55.01 | Oct. 24, 2020 | Thom Naccarato | CSCAA Virtual Cup - Round 2 |
| 55.22 | Jan. 25, 2020 | Will Mahone | Millsaps @ Montevallo |
| 56.41 | Jan. 17, 2020 | Parker Bell | Birmingham Southern vs. Montevallo, West Florida |
| 57.96 | Dec. 20, 2019 | Gabe Moon-Puente | Delta State Invitational |
| 58.32 | Nov. 8, 2019 | Sam Rix | Montevallo vs. Birmingham Southern |
| 1:00.56 | Oct. 26, 2019 | Sam Rix | Sewanee Invitational |
