| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lunn, Emma K (10)
|
MASSC |
|
1:25.88 |
- |
| 2 |
Barkauskas, Alexandra E (10)
|
MASSC |
1:35.36 |
1:32.54 |
-2.82 |
| 3 |
Black, Eliza (9)
|
MASSC |
1:55.20 |
1:38.34 |
-16.86 |
| 4 |
Mitchell, Victoria S (9)
|
MASSC |
1:42.65 |
1:40.55 |
-2.10 |
| 5 |
McCarthy, Isabella R (10)
|
MASSC |
|
1:42.36 |
- |
| 6 |
Chang, Kathryn G (10)
|
MABSC |
1:49.48 |
1:44.30 |
-5.18 |
| 7 |
Halbert, Eve L (9)
|
MABSC |
|
1:50.81 |
- |
| 8 |
Ott, Cassidy M (9)
|
MASSC |
|
1:54.36 |
- |
| 9 |
Halbert, Camille M (10)
|
MABSC |
1:59.58 |
1:57.76 |
-1.82 |
| 10 |
Murray, Sasha K (9)
|
MABSC |
|
2:01.32 |
- |
| 11 |
Cotter, Norah E (9)
|
MABSC |
|
2:04.41 |
- |