| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Vlaic, Annemarie (12)
|
ORLOSC |
1:02.45 |
1:00.20 |
-2.25 |
| 2 |
Woare, Cecilia J (12)
|
PNSMAC |
1:03.80 |
1:01.65 |
-2.15 |
| 3 |
Chen, Zoe (11)
|
ORLOSC |
1:04.84 |
1:05.21 |
0.37 |
| 4 |
Coffield, Catherine A (12)
|
ORPAC |
1:06.58 |
1:05.87 |
-0.71 |
| 5 |
Huettemeyer, Helena R (12)
|
ORLOSC |
1:07.35 |
1:06.29 |
-1.06 |
| 6 |
Smith, Stella L (12)
|
PNSMAC |
1:07.00 |
1:06.77 |
-0.23 |
| 7 |
McKeen, Malia L (11)
|
ORBLAC |
1:08.78 |
1:07.80 |
-0.98 |
| 8 |
Derr, Opal A (12)
|
ORPAC |
1:07.70 |
1:08.45 |
0.75 |
| 9 |
Nichitean, Carina I (11)
|
ORBLAC |
1:08.48 |
1:09.04 |
0.56 |
| 10 |
Freese, Yunona K (12)
|
ORHEAT |
1:07.66 |
1:10.43 |
2.77 |