| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Juste, Camryn (11)
|
MRHES |
1:25.00 |
1:14.84 |
-10.16 |
| 2 |
Grant, Morgan E (12)
|
MRCOND |
1:21.60 |
1:19.44 |
-2.16 |
| 3 |
Diaz, Ilana M (12)
|
MRNYSA |
1:14.17 |
1:20.23 |
6.06 |
| 4 |
Lee, Olivia (11)
|
MRCOND |
1:20.58 |
1:20.65 |
0.07 |
| 5 |
Reyes Aguirre, Juana (12)
|
MRAPEX |
1:20.44 |
1:20.90 |
0.46 |
| 6 |
Shatoff, Karlie B (12)
|
MRCOND |
1:22.28 |
1:21.74 |
-0.54 |
| 7 |
Brun, Sienna R (11)
|
MRAPEX |
1:20.36 |
1:23.08 |
2.72 |
| 8 |
Gazzara, Kristen E (11)
|
MRCOND |
1:23.17 |
1:24.76 |
1.59 |
| 9 |
Tavitian, Charlize S (11)
|
MRBAD |
1:24.15 |
1:26.15 |
2.00 |
| 10 |
Qureshi, Alina (12)
|
MRCOND |
1:31.14 |
1:27.73 |
-3.41 |
| 11 |
Wang, Melissa (11)
|
MRBAD |
1:29.89 |
1:33.08 |
3.19 |
|
George, Monica E (11)
|
MRCOND |
1:50.04 |
DQ |
- |
|
Zhenilenko, Kathryn (12)
|
MRHES |
1:19.99 |
NS |
- |