| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Sturek, Lily S (12)
|
VACA-Y |
1:11.52 |
1:13.22 |
1.70 |
| 2 |
Merinar, Cassandra C (12)
|
UN-S |
1:19.90 |
1:21.46 |
1.56 |
| 3 |
Contiliano, Anna J (12)
|
VACA-Y |
1:27.58 |
1:26.60 |
-0.98 |
| 4 |
Nelson, Caroline E (11)
|
VALY |
1:24.94 |
1:29.73 |
4.79 |
| 5 |
Korby, Evangeline M (12)
|
VALY |
1:32.75 |
1:32.86 |
0.11 |
| 6 |
Pennington, Elaina M (11)
|
VALY |
1:33.88 |
1:32.88 |
-1.00 |
| 7 |
Pineda, Danna C (12)
|
VALY |
1:37.93 |
1:33.81 |
-4.12 |
| 9 |
Tuck, Kinley G (12)
|
VALY |
1:33.52 |
1:37.62 |
4.10 |
| 10 |
Henderson, Cheyanne J (11)
|
VALY |
1:44.72 |
1:37.98 |
-6.74 |
| 11 |
Speakes, Shelton S (12)
|
VALY |
1:47.22 |
1:38.97 |
-8.25 |
| 12 |
Cox, Meredith N (12)
|
VALY |
1:48.93 |
1:45.26 |
-3.67 |
|
Fuller, Anneliese V (12)
|
VACA-Y |
1:24.39 |
DQ |
- |
|
Brebner, Adeline D (12)
|
VALY |
2:09.38 |
DQ |
- |