| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Catlin, Eliza C (12)
|
AMUN-M |
1:07.60 |
1:07.58 |
-0.02 |
| 2 |
Beam, Megan A (12)
|
AMSPAC |
1:13.48 |
1:12.38 |
-1.10 |
| 3 |
Haas, Abigail D (11)
|
AMKW |
1:16.88 |
1:15.18 |
-1.70 |
| 4 |
Tornatore, Victoria G (12)
|
AMPTSC |
1:16.43 |
1:16.43 |
0.00 |
| 5 |
Tweed, Abigail G (12)
|
AMBCAT |
1:17.86 |
1:16.55 |
-1.31 |
| 6 |
Klingensmith, Hanna (12)
|
AMNAC |
1:11.54 |
1:17.93 |
6.39 |
| 7 |
Williams, Kasey L (12)
|
AMUNHA |
1:34.23 |
1:19.41 |
-14.82 |
| 8 |
Augustynowicz, Macie A (11)
|
AMPTSC |
1:25.01 |
1:20.29 |
-4.72 |
| 9 |
Guilinger, Marina L (11)
|
AMBWA |
2:01.00 |
1:21.53 |
-39.47 |
| 10 |
Hune, Julia M (12)
|
AMNGAC |
1:20.18 |
1:22.09 |
1.91 |
| 11 |
Stanczak, Josephine E (11)
|
AMKW |
1:27.70 |
1:22.42 |
-5.28 |
| 12 |
Olson, Catherine (12)
|
AMPTSC |
1:27.28 |
1:25.73 |
-1.55 |
| 13 |
Bowers, Addison R (12)
|
AMPTSC |
1:43.19 |
1:30.20 |
-12.99 |
| 14 |
Byars, Adeline F (11)
|
AMNAC |
1:35.31 |
1:31.00 |
-4.31 |
| 15 |
Born, Violet E (12)
|
AMKW |
1:53.63 |
1:42.38 |
-11.25 |