| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Szadorski, Abigal E (18)
|
ILFVFY |
1:12.62 |
1:11.34 |
-1.28 |
| 2 |
Lovell, Kayleigh E (17)
|
ILSPY |
1:11.20 |
1:11.37 |
0.17 |
| 3 |
Evans, Stella R (15)
|
ILSPY |
1:13.82 |
1:13.79 |
-0.03 |
| 4 |
Terry, Olivia R (15)
|
ILHEAT |
1:19.20 |
1:15.60 |
-3.60 |
| 5 |
Nadziejko, Catelyn A (16)
|
ILFVFY |
1:18.19 |
1:17.60 |
-0.59 |
| 6 |
O'Hara, Elizabeth B (15)
|
ILMYST |
1:18.14 |
1:17.88 |
-0.26 |
| 7 |
Hunter, Hazelyn (16)
|
ILDANY |
1:08.68 |
1:18.07 |
9.39 |
| 8 |
Phippen, Katherine A (15)
|
ILSPY |
1:18.27 |
1:18.24 |
-0.03 |
| 9 |
Eison, Kori C (15)
|
ILJETS |
1:08.78 |
1:18.40 |
9.62 |
| 10 |
Oelze, Eden G (16)
|
ILHEAT |
1:19.22 |
1:19.04 |
-0.18 |
| 11 |
Lammers, Sophie (17)
|
ILMYST |
1:23.50 |
1:19.16 |
-4.34 |
| 12 |
Skrzypek, Nicole D (16)
|
ILDCST |
1:20.55 |
1:19.33 |
-1.22 |
| 13 |
Hatcher, Ashley N (16)
|
ILFVFY |
1:22.27 |
1:21.09 |
-1.18 |
| 14 |
Farrell, Ava G (17)
|
ILDCST |
1:22.91 |
1:23.12 |
0.21 |
| 15 |
Barajas, Yoanna S (15)
|
ILJETS |
1:12.67 |
1:23.65 |
10.98 |
| 16 |
Bollinger, Ellie D (16)
|
ILMYST |
1:22.51 |
1:24.51 |
2.00 |
| 17 |
Cavanagh, Sarah A (16)
|
ILSPY |
1:11.47 |
1:24.52 |
13.05 |
| 18 |
Bonczkowski, Kayla N (18)
|
ILFVFY |
1:10.11 |
1:25.29 |
15.18 |
| 19 |
Runez, Isabella H (16)
|
ILPALA |
1:11.26 |
1:25.53 |
14.27 |
| 20 |
Mika, Tierney Q (15)
|
ILJETS |
1:14.77 |
1:26.13 |
11.36 |
| 21 |
True, Tallula R (16)
|
ILMYST |
1:10.42 |
1:26.37 |
15.95 |
| 22 |
Stoolmaker, Ainslie (16)
|
ILMYST |
1:14.11 |
1:26.69 |
12.58 |
| 23 |
Kovalcik, Emmery A (17)
|
ILYDSC |
1:13.91 |
1:26.99 |
13.08 |
| 24 |
Garcia, Elizabeth (15)
|
ILPAV |
1:14.30 |
1:28.30 |
14.00 |
| 25 |
Wojtkiewicz, Leah N (15)
|
ILJETS |
1:16.56 |
1:29.19 |
12.63 |
|
Guillermo, Erika (16)
|
ILIRVP |
1:12.85 |
DQ |
- |
|
Nelson, Amanda E (16)
|
ILMYST |
1:15.41 |
NS |
- |