| No. | Name | Time | Year |
| 1 | Hannah Markel | 18:04.70 | 2015 |
| 2 | Katie Engle | 18:30.00 | 2016 |
| 3 | Amy Weybrecht | 18:30.90 | 2020 |
| 4 | Halle Markel | 18:49.00 | 2010 |
| 5 | Cindy Pickering | 18:53.00 | 1984 |
| 6 | Clare Valenza | 18:55.30 | 2021 |
| 7 | Rebekka Simko | 19:05.81 | 2007 |
| 8 | Alexis Anton | 19:11.94 | 2012 |
| 9 | Andrea Pinchak | 19:20.00 | 1998 |
| 10 | Caitrina Barton | 19:20.07 | 2020 |
Records updated through 2022 season.