| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wilson, Mekhi S (10)
|
MASSC |
1:19.39 |
1:19.68 |
0.29 |
| 2 |
Lunn, Emma K (9)
|
MASSC |
1:22.78 |
1:20.42 |
-2.36 |
| 3 |
Eruslanova, Ekaterina (10)
|
MASSC |
1:20.68 |
1:21.11 |
0.43 |
| 3 |
Holtsberg, Cathryn F (10)
|
MASSC |
1:19.41 |
1:21.11 |
1.70 |
| 5 |
Seiverd, Ally E (10)
|
MASEA |
1:22.11 |
1:23.87 |
1.76 |
| 6 |
Claiborne, Tommi (10)
|
MASSC |
1:26.37 |
1:28.50 |
2.13 |
| 7 |
Johnson, Anna K (9)
|
MASSC |
1:27.63 |
1:28.62 |
0.99 |
| 8 |
Krieg, Sylvia C (9)
|
MASSC |
1:26.41 |
1:30.19 |
3.78 |
| 9 |
Barkauskas, Alexandra E (9)
|
MASSC |
1:30.69 |
1:31.64 |
0.95 |
| 10 |
Bookwalter, Olivia M (9)
|
MASSC |
|
1:47.51 |
- |
| 11 |
Merriam, Julia M (10)
|
MASSC |
|
1:54.01 |
- |
| 12 |
McManus, Caitlin P (9)
|
MASSC |
1:58.95 |
1:58.26 |
-0.69 |
|
Stewart, Natalia C (10)
|
MASEA |
|
NS |
- |