| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Taylor, Linzay G (12)
|
LALCAT |
32.17 |
30.11 |
-2.06 |
| 2 |
Mills-Zacapa, Lina M (11)
|
LALCAT |
|
34.49 |
- |
| 3 |
Smith, Madalyn L (12)
|
LASPAR |
38.76 |
34.93 |
-3.83 |
| 4 |
Simmons, Gracelynn B (11)
|
LABAC |
38.53 |
36.72 |
-1.81 |
| 5 |
Dalke, Samantha E (11)
|
LASC |
37.16 |
37.46 |
0.30 |
| 6 |
Moreau, Margaret R (11)
|
LACOLA |
|
40.88 |
- |
| 7 |
Tibbett, Bailey P (12)
|
LASC |
45.47 |
43.18 |
-2.29 |
| 8 |
Mouton, Sophie G (11)
|
LASC |
55.76 |
43.86 |
-11.90 |
| 9 |
Moreau, Meaghan L (11)
|
LABAC |
46.12 |
45.10 |
-1.02 |
| 10 |
Adams, Chloe E (11)
|
LASC |
46.35 |
45.91 |
-0.44 |
| 11 |
Keir, Carleigh E (12)
|
LASPAR |
50.18 |
47.60 |
-2.58 |
| 12 |
Goodling, Lila C (12)
|
LASC |
51.44 |
50.41 |
-1.03 |
|
Huff, Kiersten M (12)
|
LALCAT |
44.86 |
DQ |
- |