| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Leal, Nancy (12)
|
MRRED |
1:08.62 |
1:07.01 |
-1.61 |
| 2 |
Chen, Kira (11)
|
MRQNS |
1:06.71 |
1:07.17 |
0.46 |
| 3 |
Suteja, Kezia S (12)
|
MRNCAC |
1:07.00 |
1:07.25 |
0.25 |
| 4 |
Sandoval, Candela (12)
|
MRLGAC |
1:08.42 |
1:07.93 |
-0.49 |
| 5 |
Zarazua, Jennifer (12)
|
MRLGAC |
1:12.09 |
1:08.20 |
-3.89 |
| 6 |
Conrad, Sabrina L (11)
|
MRRA |
1:13.89 |
1:11.51 |
-2.38 |
| 7 |
Fernandez, Samantha (12)
|
MRLGAC |
1:09.44 |
1:12.84 |
3.40 |
| 8 |
Gonciarz, Isabella (12)
|
MRLGAC |
1:13.89 |
1:13.59 |
-0.30 |
| 9 |
Gerber, Maya (12)
|
MRUNHY |
1:15.32 |
1:13.87 |
-1.45 |
| 10 |
Kwon, Michelle (12)
|
MRFLY |
1:14.12 |
1:15.48 |
1.36 |
| 11 |
Park, Sophia H (11)
|
MRFLY |
1:18.11 |
1:15.54 |
-2.57 |
| 12 |
Yu, Julianna S (12)
|
MRFLY |
1:14.28 |
1:17.42 |
3.14 |
| 13 |
Zhou, Sarah Y (12)
|
MRFLY |
1:19.11 |
1:17.53 |
-1.58 |
| 14 |
Simpson-Santoro, Aurelia W (12)
|
MRLSA |
1:27.22 |
1:17.82 |
-9.40 |
| 15 |
Barber, Alexis G (11)
|
MRLGAC |
1:27.77 |
1:18.12 |
-9.65 |
| 16 |
Ramirez, Leslye F (12)
|
MRFLY |
1:16.84 |
1:18.67 |
1.83 |
| 17 |
Simpson-Santoro, Ingrid H (12)
|
MRLSA |
1:29.43 |
1:19.14 |
-10.29 |
| 18 |
Knutson, Sophia (11)
|
MRHYB |
1:18.67 |
1:20.05 |
1.38 |
| 19 |
Shchuchinov, Sophia (11)
|
MRRIST |
1:15.00 |
1:22.29 |
7.29 |
| 20 |
Hyun, Stella (12)
|
MRFLY |
1:27.20 |
1:24.87 |
-2.33 |
| 21 |
Cazales, Leslie M (11)
|
MRNYCC |
1:40.00 |
1:28.20 |
-11.80 |
| 22 |
Antman, Sabrina L (11)
|
MRRA |
1:33.30 |
1:35.93 |
2.63 |
| 23 |
Garcia, Shirley (11)
|
MRFLY |
1:45.00 |
1:48.47 |
3.47 |