| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fratticci Cseri, Julianna I (11)
|
MRTVSC |
1:19.26 |
1:15.57 |
-3.69 |
| 2 |
Nguyen, Chloe T (12)
|
MRSSC |
1:18.54 |
1:16.65 |
-1.89 |
| 3 |
Petrovic, Branka D (11)
|
MRTVSC |
1:19.40 |
1:18.28 |
-1.12 |
| 4 |
Xu, Sarah Y (12)
|
MRTVSC |
1:19.84 |
1:18.82 |
-1.02 |
| 5 |
Cunniffe, Josephine E (12)
|
MRIA |
1:20.00 |
1:20.24 |
0.24 |
| 6 |
Casella, Jayla B (12)
|
MRTVSC |
1:28.34 |
1:21.00 |
-7.34 |
| 7 |
Tang, Jane M (12)
|
MRTVSC |
1:30.44 |
1:21.98 |
-8.46 |
| 8 |
Rochford, Juliana G (12)
|
MRIA |
1:30.22 |
1:23.84 |
-6.38 |
| 9 |
Jin, Evelyn N (12)
|
MRTVSC |
1:30.00 |
1:24.39 |
-5.61 |
| 10 |
Yin, Ziya (12)
|
MRTVSC |
|
1:30.85 |
- |
| 11 |
Gervase, Isabella (11)
|
MRHYB |
1:35.00 |
1:32.09 |
-2.91 |
| 12 |
Mrose, Riley L (12)
|
MRSSC |
1:36.04 |
1:32.39 |
-3.65 |
| 13 |
Santarsiero, Olivia J (11)
|
MRCSDC |
|
1:43.03 |
- |
| 14 |
Haas-Colwell, Eleanor T (12)
|
MRSSC |
2:20.00 |
1:47.44 |
-32.56 |
| 15 |
John, Leah M (11)
|
MRSSC |
1:57.44 |
1:51.27 |
-6.17 |
| 16 |
Santos, Giana G (12)
|
MRSSC |
2:06.50 |
1:59.56 |
-6.94 |
|
Yang, Arianna J (11)
|
MRTVSC |
1:35.00 |
NS |
- |