| Name | Time | Date | Meet |
|---|---|---|---|
| Gena Jorgenson | 17:18.44 | July 30, 2022 | USA Swimming Futures Championship - Minneapolis |
| Gena Jorgenson | 17:24.77 | July 31, 2021 | 2021 SD USA Swimming Futures Championship - West Fargo |
| Gena Jorgenson | 17:33.22 | Aug. 4, 2019 | USA Swimming Futures Championships (Des Moines) |
| Hannah Kastigar | 17:33.90 | July 22, 2012 | Speedo Champions Series - Iowa City |
| Hannah Kastigar | 18:09.07 | July 21, 2010 | Speedo Champions Series - Minneapolis |
| Hannah Kastigar | 18:52.30 | July 25, 2009 | Speedo Champions Series - Minneapolis |
