| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kim, Minji (13)
|
MASSC |
1:09.65 |
1:12.68 |
3.03 |
| 1 |
Mitchell, Victoria S (13)
|
MASSC |
1:20.34 |
1:20.30 |
-0.04 |
| 1 |
Chou, Caitlin (14)
|
MABSC |
1:28.35 |
1:24.04 |
-4.31 |
| 2 |
Rothberg, Mina E (14)
|
MASPFD |
1:17.40 |
1:20.55 |
3.15 |
| 2 |
Gross, Molly A (14)
|
MACBR |
1:25.81 |
1:26.64 |
0.83 |
| 3 |
Levensten, Sydney J (14)
|
MASSC |
1:13.48 |
1:20.68 |
7.20 |
| 3 |
McIntyre, Macayla N (13)
|
MALMOR |
1:30.89 |
1:29.50 |
-1.39 |
| 4 |
Krieg, Sylvia C (14)
|
MASSC |
1:20.09 |
1:22.06 |
1.97 |
| 4 |
Weston, Lily A (13)
|
MAFSA |
1:27.82 |
1:30.41 |
2.59 |
| 5 |
Rosinski, Samantha (14)
|
MACBST |
1:32.71 |
1:32.25 |
-0.46 |
| 6 |
Tayal, Ayesha (13)
|
MACBST |
1:34.15 |
1:35.03 |
0.88 |
| 7 |
Gitman, Alexandra R (13)
|
MACBST |
1:44.75 |
1:36.23 |
-8.52 |
| 8 |
Magliaro, Lauren M (13)
|
MACBR |
|
1:37.46 |
- |
| 9 |
Sheth, Saara (13)
|
MACBR |
|
1:38.83 |
- |
| 10 |
Pyatigorsky, Claudia E (13)
|
MALMOR |
|
1:44.47 |
- |
|
Ciamaichelo, Clara N (13)
|
MALMOR |
1:23.31 |
NS |
- |