| Name | Time | Date | Meet |
|---|---|---|---|
| Leo Powers | 52.95 | Feb. 17, 2024 | North Coast Athletic Conference Championships |
| Myles Felt | 53.80 | Jan. 27, 2024 | Case Western vs. Oberlin |
| Michael Lin | 54.51 | Jan. 21, 2017 | NDC Invitational |
| David Bright | 55.90 | Dec. 5, 2015 | Fredonia Invitational |
| Christopher Ayoub | 59.86 | Jan. 24, 2015 | Ohio Wesleyan vs. Notre Dame (Ohio), Oberlin |
