| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
West, Mabel A (10)
|
PVMACH |
1:23.01 |
1:22.44 |
-0.57 |
| 2 |
Cifuentes, Luciana I (10)
|
PVMACH |
1:22.69 |
1:22.67 |
-0.02 |
| 3 |
Kepler, Maya V (9)
|
PVJFD |
1:30.41 |
1:26.56 |
-3.85 |
| 4 |
Cristinzio, Anna C (10)
|
PVJFD |
1:48.60 |
1:30.91 |
-17.69 |
| 5 |
Mina, Mackenzie R (10)
|
PVPAC |
1:37.85 |
1:34.63 |
-3.22 |
| 6 |
Pierola, Alessandra A (10)
|
PVFAST |
1:55.80 |
1:34.71 |
-21.09 |
| 7 |
Olin, Cora L (10)
|
PVPAC |
1:35.90 |
1:40.62 |
4.72 |
| 8 |
Schell, Lucy G (9)
|
PVPAC |
|
1:40.94 |
- |
| 9 |
Corsiglia, Kennedy E (10)
|
PVDCPR |
|
1:41.02 |
- |
| 10 |
Soto, Olivia D (9)
|
PVPAC |
1:32.16 |
1:41.49 |
9.33 |
| 11 |
Carson, Cassidy A (9)
|
PVDCPR |
1:42.64 |
1:41.52 |
-1.12 |
| 12 |
Cruz, Irina A (8)
|
PVMSSC |
1:44.88 |
1:46.01 |
1.13 |
| 13 |
Hu, Julia X (6)
|
PVMSSC |
|
1:46.57 |
- |
| 14 |
Moore, Finley G (9)
|
PVPAC |
1:47.14 |
1:49.41 |
2.27 |
| 15 |
Mueller, Nara (9)
|
PVDCPR |
1:52.69 |
1:51.27 |
-1.42 |
| 16 |
LaGuerre, Mia P (10)
|
PVDCPR |
|
1:53.76 |
- |
| 17 |
Deloach, Sofia D (9)
|
PVFAST |
2:13.50 |
1:55.45 |
-18.05 |
| 18 |
Carballo-Naranjo, Reina D (9)
|
PVDCPR |
2:01.50 |
1:57.92 |
-3.58 |
| 19 |
Thakur, Raima (10)
|
PVMSSC |
|
2:03.84 |
- |
| 20 |
Lewis, Elizabeth R (8)
|
PVPAC |
|
2:16.94 |
- |
| 21 |
Zinn, Natalie S (9)
|
PVMSSC |
|
2:28.53 |
- |
|
Camilli, Ava L (10)
|
PVMACH |
|
NS |
- |
|
Jenkins, Reese L (8)
|
PVMSSC |
1:49.22 |
NS |
- |
|
Bereano, Beatrice E (9)
|
PVMACH |
2:02.51 |
NS |
- |
|
Song, Aria G (10)
|
PVDCPR |
1:49.00 |
NS |
- |
|
Myers, Edith H (7)
|
PVDCPR |
|
NS |
- |
|
Prather, Chloe N (8)
|
PVPAC |
|
NS |
- |
|
Lipton, Leila S (10)
|
PVDCPR |
1:29.14 |
NS |
- |
|
Black, June R (8)
|
PVDCPR |
|
NS |
- |