| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Preski, Kendra A (17)
|
ILSPY |
57.81 |
59.84 |
2.03 |
| 2 |
Van Berkom, Megan M (16)
|
ILSPY |
57.37 |
1:00.87 |
3.50 |
| 3 |
DeSalle, Elizabeth G (16)
|
ILSPY |
58.69 |
1:03.69 |
5.00 |
| 4 |
Giganti, Giovanna (16)
|
ILSPY |
1:03.14 |
1:05.02 |
1.88 |
| 5 |
Yockey, Mary C (16)
|
ILSPY |
1:07.70 |
1:06.94 |
-0.76 |
| 6 |
Uhe, Liesel J (15)
|
ILSPY |
1:07.30 |
1:08.16 |
0.86 |
| 7 |
Gawedzinski, Emily A (15)
|
ILSPY |
1:04.50 |
1:12.28 |
7.78 |
| 8 |
Ehmen, Peri J (18)
|
ILSPY |
1:05.13 |
1:12.69 |
7.56 |
| 9 |
Romanotto, Lia B (15)
|
ILSPY |
1:12.10 |
1:15.11 |
3.01 |
| 10 |
Fulgenzi, Cecilia L (16)
|
ILSPY |
1:10.23 |
1:15.23 |
5.00 |
| 11 |
Copp, Kyra E (16)
|
ILSPY |
1:19.15 |
1:21.02 |
1.87 |
| 12 |
McMillan, Kylie M (15)
|
ILSPY |
1:45.34 |
1:26.24 |
-19.10 |