| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brennan, Caroline G (13)
|
MRFREE |
1:25.02 |
1:22.94 |
-2.08 |
| 1 |
Mejia, Gianni C (14)
|
MRRED |
1:25.96 |
1:23.73 |
-2.23 |
| 2 |
Lutchmansingh, Emily E (14)
|
MRRED |
1:25.39 |
1:26.37 |
0.98 |
| 3 |
Palmer, Avery N (13)
|
MRRED |
1:24.14 |
1:27.12 |
2.98 |
| 4 |
Lai, Reyna (14)
|
MRLIFE |
1:32.03 |
1:27.45 |
-4.58 |
| 5 |
Marcotullio, Isabella X (13)
|
MRRED |
1:31.21 |
1:29.21 |
-2.00 |
| 6 |
Cuddihy, Grace M (13)
|
MRMAKO |
1:28.68 |
1:31.59 |
2.91 |
| 7 |
Chun, Ellie Y (13)
|
MRGATE |
1:33.77 |
1:32.45 |
-1.32 |
| 8 |
Wong, Kristen A (13)
|
MRAPEX |
1:33.56 |
1:33.47 |
-0.09 |
| 9 |
Ceria, Clementine A (13)
|
MRYFD |
1:40.01 |
1:35.21 |
-4.80 |
| 10 |
Gonen, Selin (13)
|
MRYFD |
1:42.08 |
1:35.27 |
-6.81 |
| 11 |
Tsirlin, Katarina S (13)
|
MRFREE |
1:40.38 |
1:37.25 |
-3.13 |
| 12 |
Chuk, Ellie (13)
|
MRFREE |
1:35.76 |
1:40.91 |
5.15 |
| 13 |
Moore, Alana H (14)
|
MRAPEX |
1:42.47 |
1:42.14 |
-0.33 |
| 14 |
Gonzalez, Imani L (13)
|
MRKBM |
1:38.57 |
1:46.75 |
8.18 |
| 15 |
Zhou, Catherine (13)
|
MRFREE |
2:00.21 |
1:48.73 |
-11.48 |
| 16 |
Sheran, Samantha (13)
|
MRASAP |
1:48.78 |
1:48.89 |
0.11 |
| 17 |
Giordano, Lena C (13)
|
MRASAP |
1:47.39 |
1:55.52 |
8.13 |
| 18 |
Wineski, Nadia (13)
|
MRYFD |
2:14.44 |
2:03.29 |
-11.15 |
| 19 |
Chavez, Gabrielle M (14)
|
MRAPEX |
1:59.71 |
2:06.95 |
7.24 |