| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Navarre, Abigail L (12)
|
GUPLAT |
1:16.36 |
1:11.06 |
-5.30 |
| 2 |
Hughes, Gabriella I (12)
|
GUPLAT |
1:30.96 |
1:25.53 |
-5.43 |
| 3 |
Eberspacher, Anna S (12)
|
GUPACE |
1:27.90 |
1:26.47 |
-1.43 |
| 4 |
Garza, Mia C (11)
|
GUPLAT |
1:33.97 |
1:27.46 |
-6.51 |
| 5 |
Peden, Ashlee C (11)
|
GUKATY |
1:29.70 |
1:28.47 |
-1.23 |
| 6 |
Li, Anne X (11)
|
GUKATY |
1:32.17 |
1:30.50 |
-1.67 |
| 7 |
Pareja, Sofia (12)
|
GUKATY |
1:36.16 |
1:31.63 |
-4.53 |
| 8 |
LeGrand, Lindsey T (11)
|
GUPLAT |
1:37.82 |
1:33.49 |
-4.33 |
| 9 |
Lorber, Lyla G (11)
|
GUESCA |
1:32.96 |
1:38.10 |
5.14 |
| 10 |
Donnelly, Gabriella B (12)
|
GUKATY |
|
1:38.47 |
- |
| 11 |
De La Rosa, Giselle (12)
|
GUKATY |
1:39.32 |
1:38.81 |
-0.51 |
|
Loyola, Azel Rianna M (11)
|
GUESCA |
|
DQ |
- |
|
Tahkku, Mira K (12)
|
GUKATY |
|
DQ |
- |
|
Andrews, Kaia J (12)
|
GUPACE |
|
DQ |
- |