| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zhao, ZiRui (11)
|
ORTEAM |
1:31.04 |
1:10.54 |
-20.50 |
| 2 |
Selivanova, Sophia X (12)
|
ORCGAL |
1:16.26 |
1:14.51 |
-1.75 |
| 3 |
Higgins, Kenna N (12)
|
ORTEAM |
1:17.03 |
1:16.39 |
-0.64 |
| 4 |
McLennan, Kailee A (11)
|
ORWSC |
1:26.04 |
1:18.43 |
-7.61 |
| 5 |
Brigham, Ayaka E (12)
|
ORVSST |
1:23.65 |
1:19.92 |
-3.73 |
| 6 |
Demaray, Addison R (12)
|
ORCRST |
1:22.92 |
1:20.08 |
-2.84 |
| 7 |
Larzalere, Emily B (12)
|
ORUN-C |
|
1:21.61 |
- |
| 8 |
Byroads, Jeni S (12)
|
ORWSC |
|
1:22.03 |
- |
| 9 |
Cupo-Carleton, Anna Grace (11)
|
ORTEAM |
1:48.19 |
1:25.65 |
-22.54 |
| 10 |
Myers, Sierra A (12)
|
ORWSC |
1:32.24 |
1:26.34 |
-5.90 |
| 11 |
Van Den Wymelenberg, Margare (11)
|
OREA |
1:22.19 |
1:28.51 |
6.32 |
| 12 |
Ito Gross, Nina (11)
|
ORTEAM |
1:41.68 |
1:39.57 |
-2.11 |
| 13 |
McDaniel, Taylor M (11)
|
ORWSC |
|
1:41.20 |
- |
| 14 |
Bailey, Mariah P (11)
|
ORCGAL |
1:44.68 |
1:50.68 |
6.00 |
| 15 |
Widenoja, Katherine M (11)
|
ORWSC |
|
1:51.31 |
- |
|
Cheng, Isabel Y (12)
|
ORVSST |
1:22.17 |
DQ |
- |