| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Nieckula, Ariyana E (13)
|
ILFVFY |
1:01.04 |
1:01.84 |
0.80 |
| 2 |
Raetzke, Hannah M (14)
|
ILDCST |
1:04.56 |
1:03.78 |
-0.78 |
| 3 |
Sanyal, Angelica (14)
|
ILDCST |
1:10.39 |
1:11.61 |
1.22 |
| 4 |
Koch, Maeve K (13)
|
ILRAYS |
1:14.60 |
1:15.57 |
0.97 |
| 5 |
Kirkpatrick, Isabella C (14)
|
ILKKEE |
1:18.93 |
1:16.82 |
-2.11 |
| 6 |
Schoenfielder, Isabella G (13)
|
ILFVFY |
1:15.73 |
1:17.64 |
1.91 |
| 7 |
Cork, Sophia K (14)
|
ILDCST |
1:22.44 |
1:19.06 |
-3.38 |
| 8 |
Martinez, Isabella R (14)
|
ILDCST |
1:22.64 |
1:21.02 |
-1.62 |
| 9 |
Maces, Melecia L (13)
|
ILFVFY |
1:14.55 |
1:21.27 |
6.72 |
| 10 |
Lyons, Arabella R (13)
|
ILFVFY |
1:32.48 |
1:31.36 |
-1.12 |
| 11 |
Davis, Ashlyn N (14)
|
ILFVFY |
1:50.59 |
1:45.93 |
-4.66 |