| Time | Date | Name | Meet |
|---|---|---|---|
| 51.18 | Feb. 16, 2024 | Michael Loughboro | Pacific Collegiate Swim Conference Championships |
| 51.99 | Nov. 18, 2023 | Michael Loughboro | La Verne Winter Invitational |
| 52.17 | Feb. 10, 2023 | Michael Loughboro | Pacific Collegiate Swim Conference Championships |
| 52.87 | Nov. 19, 2022 | Michael Loughboro | La Verne Winter Invitational |
| 54.35 | Nov. 12, 2022 | Michael Loughboro | Wyatt Balman Invitational |
| 54.56 | Oct. 8, 2022 | Michael Loughboro | Rodinoff Invite |
| 54.57 | Sept. 30, 2022 | Michael Loughboro | PCSC Relay Invitational |
| 55.73 | Dec. 17, 2021 | JT Sears | UNLV Invitational |
| 56.38 | Nov. 19, 2021 | JT Sears | La Verne Invite |
| 57.30 | Oct. 8, 2021 | JT Sears | Rodionoff Invitational |
| 57.61 | April 14, 2021 | Xavier Gutierrez | Pacific Collegiate Swimming Championships |
| 58.79 | March 5, 2020 | Xavier Gutierrez | NAIA Championships |
| 1:00.00 | Feb. 14, 2020 | Xavier Gutierrez | Pacific Collegiate Swim Conference Championships |
| 1:04.62 | Jan. 18, 2020 | Brandon Watson | Biola Invitational |
| 1:05.65 | Oct. 5, 2019 | Raymond Matiashowski | PCSC Pentathlon |
