| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Iman, Evangeline E (12)
|
NJLHY |
1:10.01 |
1:06.97 |
-3.04 |
| 2 |
Ivosevic, Elena S (12)
|
NJLHY |
1:15.08 |
1:13.67 |
-1.41 |
| 3 |
Lalani, Yasmine B (11)
|
NJLHY |
1:20.42 |
1:16.15 |
-4.27 |
| 4 |
Fraser, Samantha G (12)
|
NJLHY |
1:16.73 |
1:16.69 |
-0.04 |
| 5 |
Wong, Sana a T (12)
|
NJGMY |
1:16.39 |
1:20.36 |
3.97 |
| 6 |
Hahn, Abygail A (12)
|
NJMYM |
1:23.79 |
1:22.50 |
-1.29 |
| 7 |
St Pierre, Lucille D (11)
|
NJRY |
1:23.55 |
1:23.40 |
-0.15 |
| 8 |
Whalen, Victoria L (12)
|
NJRY |
1:25.27 |
1:23.72 |
-1.55 |
| 9 |
Jain, Riya (12)
|
NJGMY |
1:22.84 |
1:24.38 |
1.54 |
| 10 |
Kirkorian, Rianna (11)
|
NJRY |
1:26.49 |
1:25.45 |
-1.04 |
| 11 |
Patel, Ayana (11)
|
NJGMY |
1:22.00 |
1:25.56 |
3.56 |
| 12 |
Ma, Claire Z (11)
|
NJRY |
1:26.44 |
1:25.58 |
-0.86 |
| 13 |
Suarez Escobar, Gabriella (11)
|
NJLHY |
1:27.37 |
1:26.50 |
-0.87 |
| 14 |
Swayze, Amelie (11)
|
NJMYM |
1:34.10 |
1:28.68 |
-5.42 |
| 15 |
Pascaru, Olivia (11)
|
NJRY |
1:37.30 |
1:31.21 |
-6.09 |
| 16 |
LoCicero, Juliann C (11)
|
NJMYM |
1:37.52 |
1:31.60 |
-5.92 |
| 17 |
Chong, Chloe (11)
|
NJMYM |
1:37.49 |
1:31.96 |
-5.53 |
| 18 |
Mastromarino, Isabella G (11)
|
NJMYM |
1:39.62 |
1:35.30 |
-4.32 |
| 19 |
Gitau, Nia (12)
|
NJMYM |
1:38.25 |
1:37.37 |
-0.88 |
|
Kim, Jiwoo (11)
|
NJRY |
1:38.94 |
DQ |
- |
|
King, Olivia F (11)
|
NJMYM |
1:34.58 |
DQ |
- |