| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kelcy, Caroline (11)
|
MASOUD |
1:15.83 |
1:14.18 |
-1.65 |
| 2 |
Reasons, Kayla J (11)
|
MARAD |
1:18.43 |
1:15.05 |
-3.38 |
| 3 |
Zuo, Bonita R (12)
|
MAUNAT |
1:18.49 |
1:19.89 |
1.40 |
| 4 |
Schaenen, Nola A (11)
|
MAFSA |
1:21.94 |
1:24.33 |
2.39 |
| 5 |
Yao, Nyah R (11)
|
MARAD |
1:25.31 |
1:25.58 |
0.27 |
| 6 |
Lake, Alice M (11)
|
MARAD |
1:29.92 |
1:26.76 |
-3.16 |
| 7 |
Ammon, Isabella R (11)
|
MAFSA |
1:29.60 |
1:27.67 |
-1.93 |
| 8 |
Lindgren, Anne M (12)
|
MARAD |
|
1:28.40 |
- |
| 9 |
Vassallo, Margherita (12)
|
MARAD |
1:32.34 |
1:28.84 |
-3.50 |
| 10 |
Neuwirth, Lily S (11)
|
MABSC |
1:32.88 |
1:29.59 |
-3.29 |
| 11 |
Sherman, Gabriella L (12)
|
MAFSA |
1:32.44 |
1:30.62 |
-1.82 |
| 12 |
Fanelli, Elayna R (11)
|
MARAD |
1:33.69 |
1:31.76 |
-1.93 |
| 13 |
Ade, Natalie G (11)
|
MARAD |
1:56.93 |
1:32.91 |
-24.02 |
| 14 |
Casey, Nora (11)
|
MAFWAC |
|
1:33.06 |
- |
| 15 |
Kostic, Eva M (11)
|
MARAD |
1:37.29 |
1:34.93 |
-2.36 |
| 16 |
Messina, Rosie A (12)
|
MARAD |
|
1:38.29 |
- |
| 17 |
Murphy, Molly I (11)
|
MARAD |
1:45.16 |
1:40.06 |
-5.10 |
| 18 |
Frascella, Juliana R (11)
|
MATRI |
|
1:42.66 |
- |
| 19 |
Wentzel, Harper M (12)
|
MASOUD |
1:52.64 |
1:44.28 |
-8.36 |
| 20 |
Kelly, Cailin M (12)
|
MARAD |
|
2:00.86 |
- |
|
Grau, Paige E (12)
|
MARAD |
|
NS |
- |