| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rodriguez, Emily M (12)
|
MRLGAC |
1:02.19 |
1:02.31 |
0.12 |
| 2 |
Youssef, Lara S (12)
|
MRLGAC |
1:07.53 |
1:03.87 |
-3.66 |
| 3 |
Ponnaiya, Claire I (12)
|
MRRA |
1:05.72 |
1:05.85 |
0.13 |
| 4 |
Guarnieri, Emma F (12)
|
MRRA |
1:08.20 |
1:07.68 |
-0.52 |
| 5 |
Lovasz, Isabella H (12)
|
MRLGAC |
1:08.65 |
1:07.84 |
-0.81 |
| 6 |
Chan, Mandy (12)
|
MRLGAC |
1:11.52 |
1:09.53 |
-1.99 |
| 7 |
Fernandez, Samantha (11)
|
MRLGAC |
1:16.49 |
1:13.02 |
-3.47 |
| 8 |
Zarazua, Jennifer (11)
|
MRLGAC |
1:30.55 |
1:14.00 |
-16.55 |
| 9 |
Leal, Nancy (11)
|
MRRED |
1:14.31 |
1:16.65 |
2.34 |
| 10 |
Kwon, Michelle (11)
|
MRFLY |
1:16.74 |
1:18.19 |
1.45 |
| 11 |
O'Brien, Meghan (12)
|
MRHYB |
1:20.80 |
1:18.75 |
-2.05 |
| 12 |
Gonciarz, Isabella (11)
|
MRLGAC |
1:18.79 |
1:19.54 |
0.75 |
| 13 |
Carousso, Melissa G (12)
|
MRRA |
1:21.38 |
1:20.33 |
-1.05 |
| 14 |
Finkelberg, Sydney H (11)
|
MRRA |
1:17.83 |
1:21.19 |
3.36 |
| 15 |
White, Veroniqa (12)
|
MRMCBY |
|
1:25.08 |
- |
| 16 |
Ramirez, Leslye F (11)
|
MRFLY |
1:25.03 |
1:28.53 |
3.50 |
| 17 |
Krouse, Hana N (12)
|
MRRA |
1:32.74 |
1:30.45 |
-2.29 |
| 18 |
Vaughan-Johnson, Sophie (11)
|
MRRA |
|
1:39.49 |
- |
| 19 |
Lee, Jasmin (11)
|
MRLGAC |
1:48.02 |
1:41.39 |
-6.63 |
|
Porr, Nicole M (11)
|
MRFLY |
1:40.00 |
DQ |
- |