| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ma, Sally (13)
|
ILHEAT |
1:03.53 |
1:03.45 |
-0.08 |
| 2 |
McMurry, Olivia L (13)
|
ILHEAT |
1:10.03 |
1:09.52 |
-0.51 |
| 3 |
Sowle, Sophia G (13)
|
ILSPY |
1:10.14 |
1:10.26 |
0.12 |
| 4 |
Sabin, Riley C (14)
|
ILSPY |
1:05.64 |
1:10.38 |
4.74 |
| 5 |
Bengtson, Lauren M (13)
|
ILBNY |
1:21.30 |
1:13.63 |
-7.67 |
| 6 |
Romanotto, Lia B (14)
|
ILSPY |
1:10.96 |
1:13.83 |
2.87 |
| 7 |
Gawedzinski, Emily A (14)
|
ILSPY |
1:06.61 |
1:13.97 |
7.36 |
| 8 |
Collins, Sydney R (13)
|
ILSPY |
1:15.60 |
1:14.68 |
-0.92 |
| 9 |
Pippin, Soo-Yun L (13)
|
ILSPY |
1:13.08 |
1:15.19 |
2.11 |
| 10 |
Curtis, Anna V (13)
|
ILSPY |
1:16.30 |
1:17.21 |
0.91 |
| 11 |
Carmean, Samantha R (13)
|
ILQFY |
1:26.03 |
1:19.30 |
-6.73 |
| 12 |
Agans, Rebecca T (14)
|
ILSPY |
|
1:25.10 |
- |
| 13 |
Wolters, Ashley K (13)
|
ILSPY |
1:30.37 |
1:27.12 |
-3.25 |
| 14 |
Meyers, Alexandria N (13)
|
ILQFY |
1:36.54 |
1:32.47 |
-4.07 |