| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Evans, Mary A (11)
|
NIGRSC |
1:19.74 |
1:16.99 |
-2.75 |
| 2 |
Rees, Hannah E (12)
|
NIGRSC |
1:23.58 |
1:19.28 |
-4.30 |
| 3 |
Guzik, Tessa L (12)
|
NIGRSC |
1:22.14 |
1:27.16 |
5.02 |
| 4 |
Heckle, Madelyn E (12)
|
NIGRSC |
1:29.12 |
1:28.81 |
-0.31 |
| 5 |
Utz, Natalie R (12)
|
NISEAS |
1:26.10 |
1:30.17 |
4.07 |
| 6 |
Quigley, Brienne K (12)
|
NIGRSC |
1:27.34 |
1:30.88 |
3.54 |
| 7 |
Herron, Ella S (11)
|
NIHAST |
1:45.98 |
1:35.06 |
-10.92 |
| 8 |
Amering, Sophie M (12)
|
NIHAST |
|
1:37.85 |
- |
| 9 |
Hubbard, Mary Elena P (11)
|
NIGRSC |
1:44.08 |
1:39.36 |
-4.72 |
| 10 |
Williams, Sarah E (11)
|
NIHAST |
1:38.86 |
1:40.18 |
1.32 |
| 11 |
Christodaro, Raena M (12)
|
NIHAST |
|
1:44.71 |
- |
|
Galusha, Alexis P (12)
|
NIGRSC |
|
DQ |
- |
|
Smith, Caroline G (11)
|
NIPACK |
1:18.99 |
NS |
- |