| Time | Date | Name | Meet |
|---|---|---|---|
| 6:34.90 | March 15, 2018 | Luc, Corbeau, Nosack, Martinez | Speedo Champions Series - Federal Way |
| 6:37.52 | March 16, 2017 | Martinez, Carlson, Luc, Corbeau | Speedo Champions Series - Western - Federal Way |
| 6:39.90 | March 12, 2014 | Metzsch, Zoucha, Wahl, Mulcare | Speedo Champions Series - Federal Way |
