| Name | Time | Date | Meet |
|---|---|---|---|
| Adam Kastigar | 4:21.65 | July 21, 2012 | Speedo Champions Series - Iowa City |
| Adam Kastigar | 4:22.80 | March 10, 2012 | Speedo Champions Series - Pleasant Prairie, WI |
| Adam Kastigar | 4:25.03 | July 21, 2010 | Speedo Champions Series - Minneapolis |
| Adam Kastigar | 4:31.68 | July 24, 2009 | Speedo Champions Series - Minneapolis |
