| Rank | Athlete | Years | Rounds | Strokes | Average |
| 1 | Mary Wilkinson | 1979-82 | 12 | 57 | 4.75 |
| 2 | Anne Bierman | 1981-83 | 8 | 47 | 5.88 |
| 3 | Tiffany Maurycy | 1988-90 | 23 | 164 | 7.13 |
| 4 | Tracy Leinbach | 1979-81 | 7 | 51 | 7.29 |
| 5 | Ann Schnell | 2000-04 | 109 | 812 | 7.45 |
| 6 | Erika Oldenkamp | 2004-08 | 65 | 531 | 8.17 |
| 7 | Lindsey Sims | 1999-03 | 101 | 851 | 8.43 |
| 8 | Misha Harvey | 2004-08 | 49 | 442 | 9.02 |
| 9 | Morgan Stepanek | 2006-08 | 26 | 241 | 9.27 |
| Melissa DePuy | 2003-07 | 59 | 547 | 9.27 |