| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McGourty, Megan R (11)
|
MRBGNW |
1:21.20 |
1:19.41 |
-1.79 |
| 1 |
Henson, Emma V (11)
|
MRHVD |
1:22.22 |
1:22.83 |
0.61 |
| 2 |
Donikyan, Sofia M (11)
|
MRPATS |
1:26.04 |
1:23.84 |
-2.20 |
| 2 |
Wieczorek, Caitlynn M (11)
|
MRPBAC |
1:28.62 |
1:30.54 |
1.92 |
| 3 |
Joyce, Mary I (11)
|
MRSMC |
1:26.88 |
1:24.04 |
-2.84 |
| 3 |
Murray, Chelsea E (11)
|
MRCOND |
1:27.83 |
1:30.98 |
3.15 |
| 4 |
Cho, Katie (11)
|
MRCOND |
1:24.34 |
1:25.02 |
0.68 |
| 5 |
Burger, Laura K (11)
|
MRNDAC |
1:27.58 |
1:27.02 |
-0.56 |
| 6 |
Quested, Bluebell B (11)
|
MRPATS |
1:27.84 |
1:28.33 |
0.49 |
| 7 |
Cefaloni, Gabriella J (11)
|
MRAGMV |
1:27.20 |
1:28.36 |
1.16 |