| Time | Date | Name | Meet |
|---|---|---|---|
| 46.06 | March 23, 2018 | Metin Aydin | NCAA Division I Mens Championships |
| 46.27 | March 24, 2017 | Metin Aydin | NCAA Division I Mens Championships |
| 46.50 | Feb. 26, 2017 | Metin Aydin | UGA Last Chance Meet |
| 47.11 | Feb. 17, 2017 | Metin Aydin | Mountain Pacific Sports Federation Championships |
| 47.57 | Nov. 18, 2016 | Metin Aydin | A3 Performance Invitational |
| 47.85 | Nov. 17, 2016 | Metin Aydin | A3 Performance Invitational |
| 47.98 | Feb. 21, 2014 | Alistair Maclean | Mountain Pacific Sports Federation Championships |
| 48.24 | Nov. 22, 2013 | Alistair Maclean | Arena Invitational |
| 48.62 | Nov. 18, 2011 | Vlad Anastasescu | Arena Invitational |
| 49.61 | Feb. 24, 2011 | Vlad Anastasescu | Conference USA Championships |
| 49.92 | Feb. 26, 2010 | Lazar Bogdanovski | Conference USA Championships |
| 50.06 | Nov. 19, 2009 | Lazar Bogdanovski | Toshiba Invitational - Individual Events |
| 50.12 | Feb. 27, 2009 | John Ariens | Conference USA Championships - Day Three - Finals |
