| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kennedy, Rori T (10)
|
MASSC |
1:14.88 |
1:11.78 |
-3.10 |
| 2 |
Rittenhouse, Hailey P (10)
|
MAMSA |
1:13.84 |
1:12.03 |
-1.81 |
| 3 |
Hillier, Caroline R (10)
|
MASSC |
1:18.23 |
1:13.94 |
-4.29 |
| 4 |
Hedlund, Paige (10)
|
MASSC |
1:13.94 |
1:13.97 |
0.03 |
| 5 |
Parker, Julia H (10)
|
MASSC |
1:17.01 |
1:15.69 |
-1.32 |
| 6 |
Ewer, Lily C (9)
|
MAMSA |
1:29.66 |
1:18.79 |
-10.87 |
| 7 |
Exil, Kayla (10)
|
MAPFY |
1:26.89 |
1:20.93 |
-5.96 |
| 8 |
Bergstrom, Sylvie (10)
|
MASSC |
1:25.80 |
1:21.20 |
-4.60 |
| 9 |
Bell, Catherine O (10)
|
MASSC |
1:22.68 |
1:25.03 |
2.35 |
| 10 |
Cowan, Kelcie Q (10)
|
MAFSA |
1:24.49 |
1:26.98 |
2.49 |
| 11 |
Libke, Madeleine L (10)
|
MASSC |
|
1:27.09 |
- |
| 12 |
Dill, Orlaith A (9)
|
MASSC |
1:32.59 |
1:28.81 |
-3.78 |
| 13 |
Welgosh, Anika R (10)
|
MASSC |
1:37.06 |
1:31.67 |
-5.39 |
| 14 |
Strachan, Maisie L (10)
|
MASSC |
|
1:41.16 |
- |
| 15 |
Bessemer, Abigail K (9)
|
MABSC |
1:49.20 |
1:42.58 |
-6.62 |
| 16 |
Marabathula, Bhavika (10)
|
MAMSA |
2:04.72 |
1:50.12 |
-14.60 |
|
Pierce, Alexandra S (9)
|
MABSC |
1:36.90 |
NS |
- |