| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Curry, Grace C (14)
|
MASEA |
1:00.48 |
1:02.95 |
2.47 |
| 2 |
Hackett, Riley (13)
|
MASEA |
|
1:06.10 |
- |
| 3 |
Bergstrom, Sophie E (13)
|
MASSC |
1:04.97 |
1:06.31 |
1.34 |
| 4 |
Hernandez, Kayli B (13)
|
MASEA |
1:06.07 |
1:06.51 |
0.44 |
| 5 |
Moore, Caitlin (13)
|
MASEA |
1:06.40 |
1:08.07 |
1.67 |
| 6 |
Hipp, Alexa R (13)
|
MASSC |
1:06.55 |
1:08.62 |
2.07 |
| 7 |
Speirs, Valerie S (14)
|
MASEA |
1:09.61 |
1:10.87 |
1.26 |
| 8 |
Diamandi, Julia A (13)
|
MASSC |
1:12.84 |
1:11.19 |
-1.65 |
| 9 |
Callahan, Stephanie T (13)
|
MASSC |
1:11.40 |
1:11.98 |
0.58 |
| 10 |
Harris, Taylor C (13)
|
MASSC |
1:13.00 |
1:13.76 |
0.76 |
| 11 |
Schuster, Danielle N (13)
|
MASEA |
1:15.05 |
1:13.84 |
-1.21 |
| 12 |
Corson, Maggie (14)
|
MASSC |
1:23.80 |
1:21.00 |
-2.80 |