| Name | Time | Date | Meet |
|---|---|---|---|
| Edson Lima | 47.12 | March 10, 2016 | 2016 NCAA Division II Championships |
| Allan Gutierrez | 47.34 | March 12, 2015 | 2015 NCAA Division II Championships |
| Edson Lima | 47.91 | March 13, 2014 | 2014 NCAA Division II Championships |
| Allan Gutierrez | 48.57 | Dec. 15, 2013 | Nova Southeastern Invitational |
| Joakim Hvalgren | 49.37 | Feb. 15, 2013 | 2013 Sunshine State Conference Championship |
| Bruce Janzen | 49.60 | Feb. 19, 2010 | Bluegrass Mountain Valley Championships |
| Bruce Janzen | 50.75 | Dec. 4, 2009 | SCAD Invite |
