| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Park, Esther Y (12)
|
MRTS |
1:17.03 |
1:19.45 |
2.42 |
| 2 |
Wood, Taylor J (11)
|
MRTS |
1:23.90 |
1:23.39 |
-0.51 |
| 2 |
Darcy, Adriana B (11)
|
MRTS |
1:21.66 |
1:23.39 |
1.73 |
| 4 |
Joachim, Gianna M (12)
|
MRNBS |
1:31.85 |
1:24.63 |
-7.22 |
| 5 |
Park, Erica Y (11)
|
MRTS |
1:31.88 |
1:26.03 |
-5.85 |
| 6 |
Filipkowski, Chloe J (12)
|
MRNBS |
1:27.14 |
1:27.63 |
0.49 |
| 7 |
Goswami, Shreya (11)
|
MRTS |
1:29.68 |
1:28.09 |
-1.59 |
| 8 |
Jones, Athena S (12)
|
MRNBS |
1:28.52 |
1:28.14 |
-0.38 |
| 9 |
Schmitt, Penelope A (11)
|
MRRFAC |
1:30.51 |
1:30.01 |
-0.50 |
| 10 |
Kim, Julia Y (11)
|
MRTS |
1:29.73 |
1:30.05 |
0.32 |
| 11 |
Sloan, Kate (12)
|
MRTS |
1:26.98 |
1:30.86 |
3.88 |
| 12 |
Rasco, Victoria (12)
|
MRTS |
1:34.81 |
1:34.27 |
-0.54 |
| 13 |
Hilaire, Evangeline R (11)
|
MRNYS |
2:09.02 |
1:36.55 |
-32.47 |
| 14 |
Brzac, Ariana (12)
|
MRTS |
1:38.36 |
1:39.27 |
0.91 |
| 15 |
Milteer, Grace A (12)
|
MRWSSC |
|
2:00.64 |
- |
| 16 |
Moody, Siobhan E (11)
|
MRNBS |
2:05.82 |
2:01.59 |
-4.23 |
| 17 |
Muir-Gardner, Laila R (11)
|
MRYBAR |
1:56.89 |
2:26.02 |
29.13 |