| Time | Date | Name | Meet |
|---|---|---|---|
| 7:20.55 | Aug. 5, 2011 | Tarwater, Stilley, Phillips, Darmody | ConocoPhillips National Championships |
| 7:31.00 | Aug. 6, 2010 | Darmody, Stilley, Boston, Montgomery | ConocoPhillips National Championships |
| 7:32.14 | Aug. 12, 2009 | Stilley, Darmody, Santoli, Montgomery | Speedo Junior National Championships |
| 7:33.30 | Aug. 3, 2005 | Berens, Patton, Duff, Patton | ConocoPhillips National Championships |
| 7:35.84 | Aug. 3, 2004 | Patton, Patton, Suddreth, Berens | ConocoPhillips National Championships |
| 7:50.11 | Feb. 10, 2004 | Patton, Mathis, Berens, Guthmann | ConocoPhillips Spring National Championships |
| 7:54.14 | June 27, 2003 | Patton, Berens, Patton, Duff | Senior Circuit #3 |
| 8:05.34 | June 29, 2001 | Slocki, Biedrzycki, Owens, Baccich | Senior Circuit #3 |
