| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kennedy, Rori T (10)
|
MASSC |
1:20.86 |
1:17.63 |
-3.23 |
| 2 |
Hedlund, Paige (10)
|
MASSC |
1:23.82 |
1:19.45 |
-4.37 |
| 3 |
Rittenhouse, Hailey P (10)
|
MAMSA |
|
1:23.93 |
- |
| 4 |
Hillier, Caroline R (10)
|
MASSC |
|
1:24.62 |
- |
| 5 |
Ewer, Lily C (9)
|
MAMSA |
|
1:28.53 |
- |
| 6 |
Scungio, Siena J (10)
|
MASSC |
|
1:29.11 |
- |
| 7 |
Libke, Madeleine L (10)
|
MASSC |
1:33.84 |
1:31.58 |
-2.26 |
| 8 |
Cowan, Kelcie Q (10)
|
MAFSA |
1:33.76 |
1:32.93 |
-0.83 |
| 9 |
Hoffman, Caitlin (10)
|
MAPFY |
1:32.28 |
1:34.57 |
2.29 |
| 10 |
Smirnova, Julia (10)
|
MASSC |
|
1:37.16 |
- |
| 11 |
Dill, Orlaith A (9)
|
MASSC |
1:42.22 |
1:39.30 |
-2.92 |
| 12 |
Bessemer, Abigail K (9)
|
MABSC |
|
1:42.50 |
- |
| 13 |
Bell, Catherine O (10)
|
MASSC |
|
1:43.26 |
- |
|
Bergstrom, Sylvie (10)
|
MASSC |
1:28.37 |
DQ |
- |
|
Parker, Julia H (10)
|
MASSC |
1:22.57 |
DQ |
- |
|
Marabathula, Bhavika (10)
|
MAMSA |
|
DQ |
- |
|
Pierce, Alexandra S (9)
|
MABSC |
1:40.26 |
NS |
- |