| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lopez, Jocelyne (11)
|
GUAMBU |
1:28.49 |
1:24.51 |
-3.98 |
| 2 |
Marsh, Vanessa A (11)
|
GUSHRK |
1:25.81 |
1:24.94 |
-0.87 |
| 3 |
Diamond, Addison K (11)
|
GUKATY |
1:25.47 |
1:25.39 |
-0.08 |
| 4 |
Vasquez, Mary C (12)
|
GUPACK |
1:28.38 |
1:25.64 |
-2.74 |
| 5 |
Foote, Brooklyn S (11)
|
GUPACE |
1:32.10 |
1:28.42 |
-3.68 |
| 6 |
Winslow, Kate E (11)
|
GUMAC |
1:29.54 |
1:28.46 |
-1.08 |
| 7 |
Lopez Portillo, Regina (12)
|
GUMAC |
1:33.45 |
1:28.70 |
-4.75 |
| 8 |
Riddle, Gloria (11)
|
GUAGS |
1:33.43 |
1:29.69 |
-3.74 |
| 9 |
Kronke, Cassandra K (12)
|
GUAGS |
1:31.02 |
1:30.01 |
-1.01 |
| 10 |
Vose, Haylee E (12)
|
GUAMBU |
1:33.64 |
1:30.35 |
-3.29 |
| 11 |
Masch, Mia G (11)
|
GUKATY |
1:31.97 |
1:31.99 |
0.02 |
| 12 |
Pinkoski, Pallas N (11)
|
GUSHRK |
1:41.43 |
1:32.33 |
-9.10 |
| 13 |
Richardson, Evelyn J (11)
|
GUPACK |
1:32.76 |
1:32.67 |
-0.09 |
| 14 |
Lopez DE LA Rosa, Victoria (11)
|
GUKATY |
1:40.11 |
1:39.97 |
-0.14 |
| 15 |
Avery, Kiersten F (11)
|
GUSSAN |
1:49.44 |
1:52.77 |
3.33 |
| 16 |
Krueger, Megan G (11)
|
GUKATY |
2:00.18 |
1:56.76 |
-3.42 |
| 17 |
Patterson, Alexis L (12)
|
GUPACK |
1:56.76 |
1:57.88 |
1.12 |
|
Polapally, Anushka N (11)
|
GUKATY |
|
DQ |
- |
|
Wood, Hadley K (12)
|
GUAGS |
1:26.92 |
DQ |
- |