| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Garcia-Kaliner, Arielle R (16)
|
MAPCAC |
1:10.29 |
1:11.75 |
1.46 |
| 1 |
Maki, Victoria K (15)
|
MAWA |
1:15.25 |
1:17.48 |
2.23 |
| 1 |
Dileo, Annette C (15)
|
MAACAC |
1:22.88 |
1:19.37 |
-3.51 |
| 2 |
Girasole-Culhane, Alexa I (15)
|
MAFSA |
1:14.18 |
1:15.43 |
1.25 |
| 2 |
Zeminski, Caroline G (16)
|
MAFWAC |
1:15.62 |
1:17.92 |
2.30 |
| 2 |
Henriquez, Nicole A (15)
|
MANSC |
1:30.60 |
1:19.55 |
-11.05 |
| 3 |
An, Michelle N (15)
|
MAWA |
1:18.60 |
1:18.89 |
0.29 |
| 3 |
Nunciato, Chayse E (15)
|
MACAA |
1:21.27 |
1:20.06 |
-1.21 |
| 4 |
Flamiano, Maddie S (15)
|
MAUN |
1:19.71 |
1:20.23 |
0.52 |
| 4 |
Ohsiek, Sarah G (15)
|
MAGRA |
1:30.42 |
1:23.97 |
-6.45 |
| 5 |
Russo, Karlie A (15)
|
MAWA |
1:30.18 |
1:26.27 |
-3.91 |
| 6 |
Coyle, Anna R (15)
|
MAUN |
|
1:26.74 |
- |
| 7 |
Silverman, Lucinda M (15)
|
MAFSA |
1:29.00 |
1:28.85 |
-0.15 |
| 8 |
Mullarkey, Katherine E (15)
|
MAWA |
1:28.69 |
1:28.86 |
0.17 |