| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bradford, Cailyn P (15)
|
LACLAC |
59.29 |
58.78 |
-0.51 |
| 2 |
Janszen, Amanda M (33)
|
LAYNWL |
58.19 |
58.85 |
0.66 |
| 3 |
Schexnayder, Emily L (17)
|
LAWAVE |
57.86 |
58.91 |
1.05 |
| 4 |
Poirier, Mia M (16)
|
LAHSC |
59.51 |
59.72 |
0.21 |
| 5 |
Haley, Quinn B (17)
|
LAPAC |
1:03.24 |
1:02.56 |
-0.68 |
| 6 |
Wiener, Sophie G (17)
|
LACLAC |
1:00.15 |
1:02.63 |
2.48 |
| 7 |
Klein, Marina L (16)
|
LAYNWL |
1:03.55 |
1:02.67 |
-0.88 |
| 8 |
Carson, Emily N (16)
|
LACOAS |
1:04.20 |
1:03.39 |
-0.81 |
| 9 |
Munger, Julia M (17)
|
LAWAVE |
1:01.78 |
1:03.61 |
1.83 |
| 10 |
Fischer, Ava L (15)
|
LACREW |
1:06.65 |
1:05.61 |
-1.04 |
| 11 |
Ward, Elizabeth G (17)
|
LACREW |
1:04.27 |
1:07.41 |
3.14 |
| 12 |
Perry, Kirsten A (18)
|
LAYNWL |
1:10.18 |
1:11.68 |
1.50 |
| 13 |
Hilbun, Johanna L (16)
|
LAPAC |
1:11.85 |
1:18.51 |
6.66 |
|
Chautin, Gabrielle M (17)
|
LAPAC |
1:05.24 |
NS |
- |