| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Van Berkom, Megan M (16)
|
ILSPY |
1:01.05 |
1:02.12 |
1.07 |
| 2 |
Preski, Kendra A (17)
|
ILSPY |
1:02.46 |
1:02.50 |
0.04 |
| 3 |
DeSalle, Elizabeth G (16)
|
ILSPY |
1:07.21 |
1:07.55 |
0.34 |
| 4 |
Giganti, Giovanna (16)
|
ILSPY |
1:07.62 |
1:07.74 |
0.12 |
| 5 |
Uhe, Liesel J (15)
|
ILSPY |
1:08.48 |
1:07.97 |
-0.51 |
| 6 |
Yockey, Mary C (16)
|
ILSPY |
1:08.30 |
1:08.68 |
0.38 |
| 7 |
Ehmen, Peri J (18)
|
ILSPY |
1:13.46 |
1:12.91 |
-0.55 |
| 8 |
Fulgenzi, Cecilia L (16)
|
ILSPY |
1:12.20 |
1:14.40 |
2.20 |
| 9 |
Romanotto, Lia B (15)
|
ILSPY |
1:14.54 |
1:14.89 |
0.35 |
| 10 |
Gawedzinski, Emily A (15)
|
ILSPY |
1:10.27 |
1:15.98 |
5.71 |
| 11 |
McMillan, Kylie M (15)
|
ILSPY |
1:17.93 |
1:19.12 |
1.19 |
| 12 |
Copp, Kyra E (16)
|
ILSPY |
1:22.91 |
1:24.10 |
1.19 |