| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Herr, Emily A (9)
|
MRTVSC |
1:28.67 |
1:23.12 |
-5.55 |
| 2 |
Ott, Ursula J (10)
|
MRBAD |
1:25.81 |
1:25.55 |
-0.26 |
| 3 |
Pamatat, Ellie A (10)
|
MRLIAC |
1:25.95 |
1:27.06 |
1.11 |
| 4 |
Dimaculangan, Annabel (10)
|
MRTVSC |
1:30.99 |
1:28.48 |
-2.51 |
| 5 |
Chun, April S (10)
|
MRLIAC |
1:27.23 |
1:29.95 |
2.72 |
| 6 |
D'Amelio, Theodora M (9)
|
MRFREE |
1:33.81 |
1:33.14 |
-0.67 |
| 7 |
Strabuk, Savanah G (9)
|
MRLIAC |
1:35.01 |
1:33.44 |
-1.57 |
| 8 |
Nam, Lauren (10)
|
MRLIAC |
1:34.89 |
1:34.82 |
-0.07 |
| 9 |
Monti, Lila R (9)
|
MRTVSC |
1:39.29 |
1:36.24 |
-3.05 |
| 10 |
Meccia, Madison N (10)
|
MRFREE |
1:40.42 |
1:39.40 |
-1.02 |
| 11 |
McDonald, Mary J (10)
|
MRLIAC |
1:40.92 |
1:39.51 |
-1.41 |
| 12 |
Reiser, Amanda D (9)
|
MRLIAC |
1:43.03 |
1:40.53 |
-2.50 |
| 13 |
Lisica, Sabrina N (10)
|
MRTVSC |
1:38.50 |
1:42.08 |
3.58 |
| 14 |
Feron, EvelynPaige (10)
|
MRLIAC |
1:46.88 |
1:42.96 |
-3.92 |
| 15 |
Vavalle, Giuliana R (9)
|
MRTVSC |
1:29.08 |
1:43.83 |
14.75 |
| 16 |
Chazov, Pelagia (9)
|
MRFREE |
1:45.99 |
1:45.02 |
-0.97 |
| 17 |
Ulzheimer, Kiera E (9)
|
MRLIAC |
1:44.86 |
1:47.38 |
2.52 |
|
Vinciguerra, Jacqueline X (9)
|
MRTVSC |
1:39.68 |
DQ |
- |