| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pugh, Lila R (11)
|
LASC |
39.52 |
35.96 |
-3.56 |
| 2 |
Mouton, Sophie G (12)
|
LASC |
38.35 |
37.85 |
-0.50 |
| 3 |
Rhoades, Erin N (11)
|
LARRAC |
37.87 |
38.03 |
0.16 |
| 4 |
Yonga, Emlee B (12)
|
LASC |
43.58 |
40.33 |
-3.25 |
| 5 |
Broussard, Victoria M (11)
|
LASC |
44.32 |
43.27 |
-1.05 |
| 6 |
Stewart, Nyah (12)
|
LACOAS |
45.93 |
43.65 |
-2.28 |
| 7 |
Carter, Tatum D (12)
|
LASC |
41.36 |
44.17 |
2.81 |
| 8 |
Stewart, Nyla S (12)
|
LACOAS |
48.37 |
44.71 |
-3.66 |
| 9 |
Giordano, Camille R (11)
|
LACOAS |
48.09 |
45.83 |
-2.26 |
| 10 |
Crenshaw, Elizabeth A (11)
|
LACOAS |
46.81 |
49.01 |
2.20 |
| 11 |
Rodgers, Jillian K (11)
|
LACLAC |
46.68 |
50.87 |
4.19 |
| 12 |
Welch, Jinks R (11)
|
LACOAS |
46.57 |
51.83 |
5.26 |
| 13 |
Weaver, Addison C (11)
|
LASC |
|
53.34 |
- |
| 14 |
Romanski, Rebecca C (11)
|
LARRAC |
53.30 |
58.83 |
5.53 |
| 15 |
Gauthier, Amelia C (11)
|
LASC |
|
1:05.46 |
- |
|
Lilienthal, Katelynn M (11)
|
LARRAC |
53.88 |
DQ |
- |