| Time | Date | Name | Meet |
|---|---|---|---|
| 52.57 | Dec. 17, 2022 | Joe Nadur | Findlay vs. John Carroll |
| 52.61 | Dec. 2, 2022 | Joe Nadur | Notre Dame-OH vs. John Carroll |
| 52.88 | Dec. 3, 2021 | Liam McDonnell | John Carroll vs. Notre Dame-OH |
| 55.22 | Jan. 18, 2020 | Jackson Cooper | John Carroll vs. Baldwin-Wallace |
| 57.63 | Jan. 26, 2019 | Ryan Singler | John Carroll vs. Wilmington |
| 57.88 | Nov. 18, 2017 | Dane Bozsvai | Malone Invitational |
