| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lunon, Sana'a J (10)
|
MANLAC |
1:21.99 |
1:18.56 |
-3.43 |
| 2 |
Sherman, Nora (10)
|
PVDCPR |
1:22.41 |
1:20.97 |
-1.44 |
| 3 |
Pyne, Kathryn E (10)
|
MAGPAC |
1:28.12 |
1:23.38 |
-4.74 |
| 4 |
McGlinchey, Scarlett R (10)
|
MAGPAC |
1:25.74 |
1:24.06 |
-1.68 |
| 5 |
Sharar, Ava L (10)
|
AMANSC |
1:25.70 |
1:24.59 |
-1.11 |
| 6 |
Del Castillo, Elina (10)
|
MRCOND |
1:26.77 |
1:25.04 |
-1.73 |
| 7 |
Salerno, Isabella M (10)
|
VAGATR |
1:25.36 |
1:25.37 |
0.01 |
| 8 |
Bunker, Kate L (10)
|
AMFAST |
1:25.36 |
1:25.40 |
0.04 |
| 9 |
Kern, Abigail B (10)
|
MAGPAC |
1:29.17 |
1:25.53 |
-3.64 |
| 10 |
Golden, Elizabeth A (10)
|
LEUN-L |
1:32.62 |
1:25.63 |
-6.99 |
| 11 |
Yacoviello, Molly E (10)
|
MACYA |
1:28.93 |
1:25.70 |
-3.23 |
| 12 |
Yang, Hannah (10)
|
AMANSC |
1:27.02 |
1:26.47 |
-0.55 |
| 13 |
Kunkle, Paige K (10)
|
AMFAST |
1:25.63 |
1:26.53 |
0.90 |
| 14 |
Fazio, Ashlyn R (10)
|
AMNHA |
1:28.98 |
1:26.76 |
-2.22 |
| 15 |
Romano, Amelia J (10)
|
WVPKB |
1:32.08 |
1:27.10 |
-4.98 |
| 16 |
McMurray, Kylie N (10)
|
MAGPAC |
1:32.20 |
1:27.54 |
-4.66 |
| 17 |
Noll, Natalie J (10)
|
AMBVSC |
1:31.89 |
1:27.89 |
-4.00 |
| 17 |
Shaffer, Sarah A (10)
|
AMNHA |
1:31.11 |
1:27.89 |
-3.22 |
| 19 |
Ulintz, Anastasia M (10)
|
AMPEAQ |
1:29.70 |
1:27.92 |
-1.78 |
| 20 |
Schrecongost, Kasey R (9)
|
AMCSC |
1:29.30 |
1:28.00 |
-1.30 |
| 21 |
Ismailova, Diana (9)
|
VAGATR |
1:26.97 |
1:28.24 |
1.27 |
| 22 |
Jackson, Kaelynn B (10)
|
MAGPAC |
1:47.21 |
1:30.47 |
-16.74 |
| 23 |
Council, Arianna E (10)
|
AMBSDS |
1:30.91 |
1:30.95 |
0.04 |
| 24 |
Kumar, Neha (10)
|
PVDCPR |
1:33.05 |
1:31.89 |
-1.16 |
| 25 |
Sipula, Estella A (9)
|
AMWHAT |
1:30.77 |
1:32.99 |
2.22 |
| 26 |
Kurilla, Campbell A (10)
|
MACYA |
1:32.67 |
1:33.23 |
0.56 |
| 27 |
Wells, Sara T (10)
|
VAGATR |
1:28.54 |
1:33.62 |
5.08 |
| 28 |
Wolbert, Sydney R (9)
|
MAPFY |
1:32.82 |
1:33.71 |
0.89 |
| 29 |
Gorby, Tessa L (10)
|
VAGATR |
1:31.37 |
1:37.68 |
6.31 |