| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zhang, Annabelle Y (12)
|
ADCPP |
1:32.11 |
1:15.31 |
-16.80 |
| 2 |
Shao, Emma X (12)
|
ADCPP |
1:30.25 |
1:19.38 |
-10.87 |
| 3 |
Wang, Erica J (12)
|
ADCPP |
1:29.27 |
1:22.24 |
-7.03 |
| 4 |
Waldman, Jacqueline C (12)
|
ADBFIN |
1:29.91 |
1:26.81 |
-3.10 |
| 5 |
Kregel, Marina (12)
|
MRNDAC |
1:25.42 |
1:28.03 |
2.61 |
| 6 |
Gloak, Gemma M (12)
|
ADUSAM |
|
1:29.29 |
- |
| 7 |
Abbruzzese, Shylah D (11)
|
MRPATS |
1:32.02 |
1:32.22 |
0.20 |
| 8 |
Ramos, Aliza D (12)
|
MRRFAC |
1:34.47 |
1:32.97 |
-1.50 |
| 9 |
Walter, Emma L (12)
|
ADCPP |
1:33.28 |
1:33.44 |
0.16 |
| 10 |
Burnham, Reagan (12)
|
NISYCH |
1:29.57 |
1:33.60 |
4.03 |
| 11 |
Cunningham, Isabelle G (11)
|
ADCPP |
1:45.81 |
1:34.83 |
-10.98 |
| 12 |
Harpootlian, Leah C (11)
|
ADCPP |
1:46.27 |
1:34.86 |
-11.41 |
| 13 |
Walmsley, Lauren M (11)
|
ADCPP |
1:41.28 |
1:36.19 |
-5.09 |
| 14 |
Filipkowski, Chloe J (11)
|
MRNBS |
1:30.50 |
1:36.27 |
5.77 |
| 15 |
Zhou, Yixuan (12)
|
ADCPP |
1:51.55 |
1:37.51 |
-14.04 |
| 16 |
Puls, Kiera A (11)
|
ADBFIN |
1:36.35 |
1:40.33 |
3.98 |
| 17 |
Piscitella, Lena E (11)
|
MRNBS |
2:36.06 |
1:45.64 |
-50.42 |
| 18 |
Pilon, Caroline E (12)
|
ADCPP |
|
1:45.82 |
- |
| 19 |
Burr, Alysia N (12)
|
ADCPP |
|
1:46.52 |
- |
| 20 |
Carroll, Sarah J (11)
|
ADUN |
1:43.99 |
1:47.94 |
3.95 |
| 21 |
Smith, Karli E (12)
|
MRNBS |
1:42.66 |
1:51.74 |
9.08 |
| 22 |
Miller, Isabella M (11)
|
ADCPP |
2:40.07 |
1:53.86 |
-46.21 |
| 23 |
Blanco, Isabella L (11)
|
MRNBS |
2:01.60 |
1:59.76 |
-1.84 |
| 24 |
Michaels, Amelia M (12)
|
ADCPP |
|
2:03.59 |
- |
|
Ogborn, Molly G (11)
|
ADCPP |
2:00.93 |
DQ |
- |
|
Drozd, Daniella M (12)
|
NISYCH |
1:53.43 |
NS |
- |
|
Jones, Athena S (11)
|
MRNBS |
2:01.84 |
NS |
- |
|
Colman, Maya K (12)
|
ADUN |
1:43.26 |
NS |
- |
|
Zhuma, Sophia E (12)
|
NJBB |
1:38.90 |
NS |
- |