| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kaps, Martyna (9)
|
MRMPNY |
1:16.48 |
1:13.56 |
-2.92 |
| 2 |
Liu, Kaitlyn S (10)
|
MRQNS |
1:14.76 |
1:14.01 |
-0.75 |
| 3 |
Harish, Nila (9)
|
MRMPNY |
1:16.59 |
1:15.19 |
-1.40 |
| 4 |
Davidson, Dawn H (10)
|
MRLBA |
1:25.02 |
1:17.21 |
-7.81 |
| 5 |
Mullin, Allison B (10)
|
MRLGAC |
1:26.27 |
1:18.06 |
-8.21 |
| 6 |
Eng, Amelie R (10)
|
MRLIE |
1:17.29 |
1:18.10 |
0.81 |
| 7 |
Panamserkhang, Tenzin P (9)
|
MRLGAC |
1:21.12 |
1:20.36 |
-0.76 |
| 8 |
Ahn, Hailey S (9)
|
MRLGAC |
1:22.57 |
1:20.66 |
-1.91 |
| 9 |
Gelfand, Veronica (10)
|
MRLIE |
1:20.18 |
1:21.05 |
0.87 |
| 10 |
Horiuchi, Naomi Z (10)
|
MRLGAC |
1:23.08 |
1:22.79 |
-0.29 |
| 11 |
Law, Brianna (10)
|
MRMPNY |
1:25.68 |
1:22.97 |
-2.71 |
| 12 |
Kuznetsov, Elizabeth (10)
|
MRMPNY |
1:23.00 |
1:25.69 |
2.69 |
| 13 |
Guglielmo, Ava S (10)
|
MRLBA |
1:30.00 |
1:27.25 |
-2.75 |
| 14 |
Nassar, Salma (10)
|
MRLGAC |
1:38.07 |
1:27.39 |
-10.68 |
| 15 |
Ng, Tiffany (10)
|
MRCIY |
|
1:27.66 |
- |
| 16 |
Bice, Ciara M (10)
|
MRQNS |
1:29.76 |
1:28.83 |
-0.93 |
| 17 |
Kang, Madison (10)
|
MRLIE |
1:28.71 |
1:29.01 |
0.30 |
| 18 |
Karim, Azana S (9)
|
MRLGAC |
|
1:32.32 |
- |
| 19 |
Lateng, Losel L (10)
|
MRLGAC |
|
1:33.01 |
- |
| 20 |
Xu, Sabrina D (9)
|
MRQNS |
|
1:33.44 |
- |
| 21 |
Sztorc, Natalie (9)
|
MRIA |
2:00.00 |
1:35.48 |
-24.52 |
| 22 |
O'Sullivan, Saoirse (10)
|
MRLGAC |
1:35.89 |
1:36.53 |
0.64 |
| 23 |
Bouzarouata, Salma K (9)
|
MRLGAC |
|
1:40.98 |
- |
| 24 |
Chan, Megan (10)
|
MRLIE |
1:46.75 |
1:43.55 |
-3.20 |
| 25 |
Zgrivets, Michelle (10)
|
MRMPNY |
1:44.91 |
1:44.76 |
-0.15 |
| 26 |
Steiner, Nicole M (9)
|
MRLIE |
1:45.94 |
1:46.02 |
0.08 |
| 27 |
Serafin, Gwen B (9)
|
MRLIE |
1:51.18 |
1:48.01 |
-3.17 |
| 28 |
Nolasco, Isabela (9)
|
MRLIE |
|
1:50.42 |
- |
| 29 |
Argondizzo, Daniela J (9)
|
MRLIE |
2:13.19 |
2:15.48 |
2.29 |