| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Egeland, Peyton D (9)
|
ORBEND |
1:25.25 |
1:19.91 |
-5.34 |
| 2 |
Maruki, Daphne M (9)
|
ORHEAT |
1:22.64 |
1:20.05 |
-2.59 |
| 3 |
Chan, Audrey B (9)
|
ORLOSC |
1:23.76 |
1:22.28 |
-1.48 |
| 4 |
Li, Cici (9)
|
ORTHSC |
1:22.04 |
1:22.69 |
0.65 |
| 5 |
Wang, Claire * (9)
|
ORHEAT |
1:24.39 |
1:25.53 |
1.14 |
| 6 |
Lishka, Scarlett E (9)
|
OROCST |
1:28.30 |
1:25.72 |
-2.58 |
| 7 |
Pittman, Leighlonie M (9)
|
ORDDAC |
1:30.43 |
1:27.17 |
-3.26 |
| 8 |
Hawkins, Chloe E (9)
|
ORRACE |
1:30.29 |
1:28.60 |
-1.69 |
| 9 |
Cobb Rodrigues, Leela * (9)
|
ORPAC |
1:31.55 |
1:30.47 |
-1.08 |
| 10 |
Rauchholz, Emily F (9)
|
ORTDPS |
1:30.87 |
1:30.67 |
-0.20 |
| 11 |
Ku, Cecelia Z (9)
|
ORPAC |
1:31.64 |
1:31.59 |
-0.05 |
| 12 |
Fitzgerald, Camryn M (9)
|
ORTEAM |
1:28.73 |
1:33.69 |
4.96 |
| 13 |
Ma, Julia Z (9)
|
ORTHSC |
1:28.48 |
1:35.90 |
7.42 |
| 14 |
Kondo, Izabela S (9)
|
ORSTRY |
1:31.32 |
1:40.76 |
9.44 |