| Time | Date | Name | Meet |
|---|---|---|---|
| 54.33 | Feb. 17, 2023 | Jonah Venos | Ohio Athletic Conference Championships |
| 54.62 | Feb. 14, 2020 | Jonah Venos | Ohio Athletic Conference Championships |
| 56.72 | Feb. 15, 2019 | Mason Beck | Ohio Athletic Conference Championships |
| 56.80 | Feb. 16, 2018 | Mason Beck | Ohio Athletic Conference Championships |
| 57.32 | Feb. 19, 2016 | David Kirtek | Ohio Athletic Conference Championships |
| 58.69 | Feb. 17, 2012 | Alex Vereshchagin | Ohio Athletic Conference Championships |
| 59.45 | Feb. 19, 2010 | Alex Vereshchagin | Ohio Athletic Conference Championships |
| 1:03.77 | Nov. 13, 2009 | Alex Vereshchagin | Veale Classic |
| 1:03.98 | Oct. 25, 2008 | Alex Vereshchagin | Ohio Northern @John Carroll |
