| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Romanotto, Lia B (16)
|
ILSPY |
1:12.91 |
1:11.09 |
-1.82 |
| 2 |
Bernacchi, Megan I (17)
|
ILHEAT |
1:09.52 |
1:12.63 |
3.11 |
| 3 |
Stream, Laura M (16)
|
ILHHSC |
1:14.58 |
1:12.70 |
-1.88 |
| 4 |
Sowle, Sophia G (15)
|
ILSPY |
1:14.14 |
1:15.04 |
0.90 |
| 5 |
Griffith, Eva G (15)
|
ILYDSC |
1:15.22 |
1:15.79 |
0.57 |
| 6 |
McMillan, Kylie M (17)
|
ILSPY |
1:14.56 |
1:16.53 |
1.97 |
| 8 |
Smith, Addeline G (15)
|
WCY |
1:19.00 |
1:17.02 |
-1.98 |
| 9 |
Cavanagh, Isabella R (15)
|
ILSPY |
1:17.17 |
1:17.20 |
0.03 |
| 10 |
Collins, Sydney R (16)
|
ILSPY |
1:16.79 |
1:17.54 |
0.75 |
| 11 |
Rodeffer, Chloe (17)
|
ILKNCY |
1:20.10 |
1:20.14 |
0.04 |
| 12 |
Fulgenzi, Cecilia L (17)
|
ILSPY |
1:14.52 |
1:21.22 |
6.70 |
| 13 |
Turney, Payne (17)
|
ILCLY |
1:24.57 |
1:21.92 |
-2.65 |
| 14 |
Anderson, Sarah (17)
|
ILCLY |
1:22.80 |
1:22.06 |
-0.74 |
| 15 |
Meyers, Alexandria N (15)
|
ILQFY |
1:25.53 |
1:22.58 |
-2.95 |
| 16 |
Ward, Ashlyn (16)
|
ZZCANY |
1:25.92 |
1:23.73 |
-2.19 |
| 17 |
Wienhoff, Alexa M (15)
|
ILSPY |
1:25.11 |
1:24.26 |
-0.85 |
| 18 |
Beaty, Madelyn (15)
|
ILCCY |
1:26.65 |
1:24.60 |
-2.05 |
| 19 |
West, Jessica (16)
|
ILCLY |
1:29.01 |
1:26.30 |
-2.71 |
| 20 |
Robinson, Tori (15)
|
ILKNCY |
1:21.73 |
1:26.81 |
5.08 |
| 21 |
Cooper, Mallory (16)
|
WCY |
1:27.92 |
1:27.32 |
-0.60 |
| 22 |
Varvitsiotis, Alexa (17)
|
ZZCANY |
1:32.66 |
1:29.83 |
-2.83 |
| 23 |
Harlan, Kiera (18)
|
ILDANY |
1:31.31 |
1:32.31 |
1.00 |
| 24 |
Fabris, Sarah (17)
|
ILCLY |
1:28.82 |
1:33.23 |
4.41 |