| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Veer, Jada M (13)
|
ILFAST |
1:04.23 |
1:04.01 |
-0.22 |
| 2 |
Miles, Avery F (14)
|
ILUNMA |
1:02.99 |
1:04.43 |
1.44 |
| 3 |
Raetzke, Hannah M (14)
|
ILDCST |
1:04.73 |
1:05.99 |
1.26 |
| 4 |
Hurliman, Tanner K (13)
|
ILMARL |
1:09.35 |
1:08.79 |
-0.56 |
| 5 |
Mathews, Myah C (14)
|
ILFAST |
1:02.80 |
1:08.97 |
6.17 |
| 6 |
Blanken, Emma A (14)
|
ILVHST |
|
1:11.03 |
- |
| 7 |
King, Hannah C (13)
|
ILMAC |
1:28.65 |
1:11.55 |
-17.10 |
| 8 |
Owen, Kaitlyn E (13)
|
ILMARL |
1:20.49 |
1:13.11 |
-7.38 |
| 9 |
Hall, Ana L (14)
|
ILDCST |
1:23.55 |
1:13.55 |
-10.00 |
| 10 |
Maces, Melecia L (13)
|
ILFVFY |
1:16.75 |
1:14.64 |
-2.11 |
| 11 |
Knox, Sammie (13)
|
ILSSSC |
1:17.46 |
1:15.67 |
-1.79 |
| 12 |
Vollmer, Emily M (13)
|
ILFVFY |
1:24.21 |
1:15.73 |
-8.48 |
| 13 |
Bitterman, Campbell G (14)
|
ILVHST |
1:22.99 |
1:16.19 |
-6.80 |
| 14 |
Austin, Kate E (14)
|
ILSSSC |
1:18.69 |
1:16.45 |
-2.24 |
| 15 |
Collins, Nora N (13)
|
ILMARL |
1:23.04 |
1:20.03 |
-3.01 |
| 16 |
Schoenfielder, Isabella G (13)
|
ILFVFY |
1:31.77 |
1:20.17 |
-11.60 |
| 17 |
Cork, Sophia K (13)
|
ILDCST |
1:24.49 |
1:22.44 |
-2.05 |
| 18 |
Himango, Laila R (13)
|
ILFVFY |
1:23.80 |
1:23.91 |
0.11 |
| 19 |
Murray, Madison M (13)
|
ILRMSC |
1:33.87 |
1:29.82 |
-4.05 |
| 20 |
Swedrock, Delilah A (14)
|
ILDCST |
1:40.20 |
1:33.08 |
-7.12 |