| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tichenor, Lillian E (15)
|
LACLAC |
1:08.34 |
1:10.25 |
1.91 |
| 2 |
Holt, Sarah E (18)
|
LAYNWL |
1:07.54 |
1:10.59 |
3.05 |
| 3 |
Fritscher, Eleanore F (17)
|
LAFINS |
1:16.41 |
1:11.54 |
-4.87 |
| 4 |
Zhang, Evelyn L (16)
|
LAYNWL |
1:10.18 |
1:11.58 |
1.40 |
| 5 |
Ashley, Ella C (15)
|
LAFINS |
1:11.33 |
1:13.97 |
2.64 |
| 6 |
Key, Jenna G (15)
|
LACLAC |
1:10.90 |
1:14.03 |
3.13 |
| 7 |
Dobie, Kimberly A (17)
|
LAFINS |
1:16.41 |
1:15.57 |
-0.84 |
| 8 |
Chalona, Eva M (16)
|
LAFINS |
1:16.17 |
1:17.69 |
1.52 |
| 9 |
Key, Karlie A (18)
|
LACLAC |
1:10.59 |
1:18.42 |
7.83 |
| 10 |
Allen, Layla K (15)
|
LAFINS |
1:20.21 |
1:19.51 |
-0.70 |
| 11 |
Horne, Jamie A (16)
|
LAYNWL |
1:17.34 |
1:20.39 |
3.05 |
| 12 |
Klein, Marina L (16)
|
LAYNWL |
1:21.88 |
1:21.56 |
-0.32 |
| 13 |
England, Lillie A (17)
|
LAYNWL |
1:20.04 |
1:23.90 |
3.86 |
| 14 |
Carberry, Emma C (15)
|
LAYNWL |
1:25.28 |
1:26.36 |
1.08 |
| 15 |
Piret, Devon R (15)
|
LAFINS |
1:33.33 |
1:30.10 |
-3.23 |
| 16 |
Perry, Katherine G (18)
|
LAYNWL |
1:26.73 |
1:31.19 |
4.46 |
| 17 |
Quinlan, Riley A (15)
|
LACLAC |
1:30.73 |
1:36.35 |
5.62 |
| 18 |
Harris, Aubrey R (16)
|
LAYNWL |
1:36.05 |
1:40.06 |
4.01 |
| 19 |
Vekovius, Vivian E (15)
|
LAYNWL |
1:41.15 |
1:42.62 |
1.47 |
| 20 |
Romanski, Isabella G (15)
|
LAYNWL |
1:48.82 |
1:55.79 |
6.97 |