| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ng, Melanie (15)
|
MRNYCP |
1:14.85 |
1:16.91 |
2.06 |
| 2 |
Valadez, Ofelia M (16)
|
MRAPEX |
1:21.13 |
1:20.76 |
-0.37 |
| 3 |
Gonzalez, Emilianna (10)
|
MRAPEX |
1:20.60 |
1:24.09 |
3.49 |
| 4 |
Hanin, Katherine P (14)
|
MRHS |
1:23.76 |
1:24.98 |
1.22 |
| 5 |
Lu, Erxi (16)
|
MRAPEX |
1:27.26 |
1:25.42 |
-1.84 |
| 6 |
Perez, Sophie G (15)
|
MRLSA |
1:25.47 |
1:26.95 |
1.48 |
| 7 |
Cartagena, Katherine (12)
|
MRSPAR |
1:55.23 |
1:27.11 |
-28.12 |
| 8 |
Pena, Camila A (12)
|
MRAPEX |
1:28.63 |
1:28.39 |
-0.24 |
| 9 |
Deng, Eileen (13)
|
MRAPEX |
1:26.27 |
1:29.49 |
3.22 |
| 10 |
Chin, Cassidy * (9)
|
MRHS |
1:41.56 |
1:38.28 |
-3.28 |
| 11 |
Ramsaroop, Anjali R (14)
|
MRLIAC |
1:40.18 |
1:38.88 |
-1.30 |
| 12 |
Contreras, Brianna M (10)
|
MRSPAR |
2:09.08 |
1:44.46 |
-24.62 |
| 13 |
Baran, Joanna (10)
|
MRUN |
1:49.00 |
1:50.43 |
1.43 |
| 14 |
Penner, Eve S (10)
|
MRBKR |
2:15.00 |
2:00.41 |
-14.59 |
| 15 |
Scott, Fiona A (9)
|
MRBKR |
2:00.00 |
2:01.71 |
1.71 |
| 16 |
Kharieh, Meriam (15)
|
MRHES |
|
2:17.20 |
- |
|
Shariff, Zaynah (13)
|
MRGATE |
1:53.57 |
DQ |
- |
|
Amor, Galia (14)
|
MRHES |
|
DQ |
- |