| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
White, Finley M (12)
|
MRBGNW |
1:14.08 |
1:13.35 |
-0.73 |
| 2 |
Grayson, Kelsey R (12)
|
MRBGNW |
1:13.56 |
1:14.73 |
1.17 |
| 3 |
Kang, Sunny (12)
|
MRWEST |
1:16.30 |
1:16.65 |
0.35 |
| 4 |
Koh, Alexa S (12)
|
MRPAC |
1:21.36 |
1:19.30 |
-2.06 |
| 5 |
Cattanach, Clara (12)
|
MRBGNW |
1:23.68 |
1:20.99 |
-2.69 |
| 6 |
Lovig, Natalie J (12)
|
MRBGNW |
1:21.37 |
1:21.24 |
-0.13 |
| 7 |
Jourdy, Serene S (12)
|
MRWEST |
1:23.35 |
1:22.29 |
-1.06 |
| 8 |
Chaploutskiy, Polina (12)
|
MRPAC |
1:24.67 |
1:23.23 |
-1.44 |
| 9 |
Morin, Eva (12)
|
MRWEST |
1:21.76 |
1:24.30 |
2.54 |
| 10 |
Fernandez-Davila, Cassandra (12)
|
MRWEST |
|
1:32.28 |
- |
| 11 |
Linehan, Madison C (12)
|
MRBGNW |
1:35.87 |
1:37.89 |
2.02 |
| 12 |
Mackof, Delilah N (12)
|
MRBGNW |
1:35.62 |
1:39.28 |
3.66 |
| 13 |
Arregui, Jenna M (12)
|
MRPAC |
1:43.88 |
1:40.15 |
-3.73 |
| 14 |
Tucker, Lyla B (12)
|
MRBGNW |
1:40.44 |
1:46.93 |
6.49 |
| 15 |
Ricci, Evelyn S (12)
|
MRPAC |
2:04.01 |
1:50.30 |
-13.71 |
| 16 |
Scott, Addison H (12)
|
MRPAC |
1:56.46 |
1:53.20 |
-3.26 |
| 17 |
Karp, Sydney H (12)
|
MRPAC |
1:59.99 |
2:07.55 |
7.56 |