| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fruge, Remi A (10)
|
LACOLA |
46.75 |
45.79 |
-0.96 |
| 2 |
Diedrich, Cora E (10)
|
LASPAR |
47.89 |
48.77 |
0.88 |
| 3 |
McKean, Hayleigh M (9)
|
LACOLA |
50.74 |
48.95 |
-1.79 |
| 4 |
Gill, Cayden L (9)
|
LACOLA |
|
50.41 |
- |
| 5 |
Watts, Anna L (10)
|
LACLAC |
55.09 |
51.32 |
-3.77 |
| 6 |
Pugh, Lila R (10)
|
LALCAT |
51.29 |
51.41 |
0.12 |
| 7 |
Payne, Catherine C (9)
|
LARRAC |
54.62 |
52.77 |
-1.85 |
| 8 |
Mills-Zacapa, Juliana N (9)
|
LALCAT |
53.84 |
55.07 |
1.23 |
| 9 |
Morris, Madison A (9)
|
LABAC |
53.31 |
55.57 |
2.26 |
| 10 |
Broussard, Victoria M (10)
|
LASC |
1:00.96 |
56.25 |
-4.71 |
| 11 |
Garber, Neva E (9)
|
LACOLA |
1:02.74 |
58.08 |
-4.66 |
| 12 |
Williamson, Taylee B (7)
|
LARRAC |
1:12.03 |
1:04.35 |
-7.68 |
| 13 |
Mouton, Leah S (9)
|
LASC |
|
1:06.59 |
- |
|
Moncrief, Molly M (9)
|
LARRAC |
|
DQ |
- |