| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zuo, Bonita R (12)
|
MAUNAT |
1:00.22 |
59.49 |
-0.73 |
| 2 |
Scime, Alex A (11)
|
MAGRA |
1:04.39 |
1:08.46 |
4.07 |
| 3 |
Koehler, Abigail M (12)
|
MAPVAC |
1:10.48 |
1:09.81 |
-0.67 |
| 4 |
Reasons, Kayla J (11)
|
MARAD |
1:11.96 |
1:09.90 |
-2.06 |
| 5 |
Lindgren, Anne M (12)
|
MARAD |
1:07.90 |
1:10.67 |
2.77 |
| 6 |
Dougherty, Emma D (12)
|
MAWIL |
|
1:11.68 |
- |
| 7 |
Verma, Anjali N (12)
|
MASOUD |
|
1:14.17 |
- |
| 8 |
Vassallo, Margherita (12)
|
MARAD |
1:13.85 |
1:14.43 |
0.58 |
| 9 |
Schultz, Gabrielle S (12)
|
MAFWAC |
1:18.09 |
1:14.91 |
-3.18 |
| 10 |
Lake, Alice M (11)
|
MARAD |
1:16.98 |
1:15.88 |
-1.10 |
| 11 |
Clancy, Paige S (11)
|
MAFWAC |
1:15.24 |
1:15.97 |
0.73 |
| 12 |
Yao, Nyah R (11)
|
MARAD |
1:14.48 |
1:16.57 |
2.09 |
| 13 |
Ammon, Isabella R (11)
|
MAFSA |
1:23.61 |
1:19.24 |
-4.37 |
| 14 |
Choo, Olivia Y (11)
|
MARAD |
|
1:19.26 |
- |
| 15 |
Schaenen, Nola A (11)
|
MAFSA |
1:19.64 |
1:20.13 |
0.49 |
| 16 |
Giordani, Alyvia R (11)
|
MAPVAC |
|
1:22.10 |
- |
| 17 |
Baykara, Kayla (11)
|
MABSC |
1:19.66 |
1:22.78 |
3.12 |
| 18 |
Wetzel, Margaret R (11)
|
MARAD |
|
1:23.78 |
- |
| 19 |
Sherman, Gabriella L (12)
|
MAFSA |
1:22.02 |
1:24.03 |
2.01 |
| 20 |
Dougherty, Katherine (12)
|
MARAD |
|
1:24.30 |
- |
| 21 |
Nagel, Eliza J (11)
|
MARAD |
|
1:24.55 |
- |
| 22 |
Martin, Samantha G (11)
|
MATRI |
|
1:26.63 |
- |
| 23 |
Gutshall, Jordyn K (12)
|
MAPVAC |
1:27.42 |
1:28.20 |
0.78 |
| 24 |
Viscardo, Ella L (11)
|
MARAD |
|
1:46.71 |
- |
| 25 |
Kelly, Cailin M (12)
|
MARAD |
|
1:48.54 |
- |
|
Tufaro, Maria R (11)
|
MARAD |
|
DQ |
- |
|
Seng, Rachehny N (12)
|
MALYM |
|
DQ |
- |
|
Busser, Freya E (12)
|
MAFSA |
1:13.98 |
NS |
- |