| Rank | Athlete | Year | Rounds | Strokes | Average |
| 1 | Lindsey Sims | 2002-03 | 10 | 55 | 5.50 |
| 2 | Ann Schnell | 2002-03 | 10 | 63 | 6.30 |
| 3 | Melissa DePuy | 2003-04 | 5 | 35 | 7.00 |
| 4 | Ann Schnell | 2000-01 | 11 | 78 | 7.09 |
| 5 | Lindsey Sims | 1999-00 | 10 | 71 | 7.10 |
| 6 | Ann Schnell | 2003-04 | 10 | 72 | 7.20 |
| 7 | Kim Oviatt | 1989-90 | 7 | 52 | 7.43 |
| 8 | Erika Oldenkamp | 2005-06 | 9 | 67 | 7.44 |
| 9 | Seung Lee | 2005-06 | 6 | 45 | 7.50 |
| 10 | Lesley Stracks | 1994-95 | 9 | 69 | 7.67 |