| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mann, Michaela A (10)
|
FGUN-0 |
1:20.39 |
1:15.75 |
-4.64 |
| 2 |
McCranie, Stella (9)
|
FGAZFL |
|
1:17.88 |
- |
| 3 |
Mirones, Lilliana M (9)
|
FGSUN |
1:23.78 |
1:19.89 |
-3.89 |
| 4 |
Evans, Shelby O (9)
|
FGSOFL |
1:26.88 |
1:20.57 |
-6.31 |
| 5 |
Rodriguez-Quevedo, Alexandra (10)
|
FGSFTL |
1:28.46 |
1:20.66 |
-7.80 |
| 6 |
Cavalcanti, Juliana D (9)
|
FGUN-0 |
1:25.55 |
1:21.40 |
-4.15 |
| 7 |
Moen, Aubrey L (9)
|
FGCCPR |
1:32.70 |
1:22.77 |
-9.93 |
| 8 |
Dromgoole, Madison G (10)
|
FGSFTL |
1:29.37 |
1:23.12 |
-6.25 |
| 9 |
Rothenburg, Ariel (10)
|
FGTSA |
|
1:24.68 |
- |
| 10 |
Santos, Madeline A (10)
|
FGCCPR |
1:30.21 |
1:25.15 |
-5.06 |
| 11 |
Marin, Gabriela A (10)
|
FGSOFL |
1:26.79 |
1:25.40 |
-1.39 |
| 12 |
Driscoll, Genevieve G (10)
|
FGPCS |
1:44.00 |
1:26.49 |
-17.51 |
| 13 |
Jorgensen, Kierstyn E (9)
|
FGSUN |
1:27.13 |
1:29.07 |
1.94 |
| 14 |
Ordonez, Valentina A (9)
|
FGTSA |
1:36.40 |
1:29.52 |
-6.88 |
| 15 |
Osouna, Aaleyah (9)
|
FGTSA |
|
1:29.61 |
- |
| 16 |
Harding, Aveline (9)
|
FGCSSC |
1:34.36 |
1:29.97 |
-4.39 |
| 17 |
Ramos, Kiara M (10)
|
FGSUN |
|
1:30.07 |
- |
| 18 |
Kozman, Christina (10)
|
FGSFTL |
1:36.88 |
1:32.74 |
-4.14 |
| 19 |
Pierre, Abigail (9)
|
FGTSA |
1:45.13 |
1:33.92 |
-11.21 |
| 20 |
Reilly, Keira L (10)
|
FGCCPR |
1:41.32 |
1:37.09 |
-4.23 |
| 21 |
Porras, Nahomi C (9)
|
FGAZFL |
1:37.53 |
1:38.06 |
0.53 |
| 22 |
Baker, Emma E (9)
|
FGCSSC |
|
1:39.71 |
- |
| 23 |
Robins, Amanda J (10)
|
FGCSSC |
1:24.27 |
1:40.54 |
16.27 |
| 24 |
Yarbrough, Reese O (10)
|
FGCSSC |
|
1:41.54 |
- |
| 25 |
Galindo, Isabel M (10)
|
FGCSSC |
|
1:47.67 |
- |
| 26 |
Strype, Ciara J (9)
|
FGPST |
|
1:58.74 |
- |
| 27 |
Miller, Allison P (10)
|
FGSUN |
1:59.89 |
2:00.33 |
0.44 |