| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Flynn, Haley V (14)
|
LASC |
19:10.79 |
18:17.97 |
-52.82 |
| 2 |
Werth, Cecilia E (13)
|
LATAQ |
18:51.93 |
18:26.59 |
-25.34 |
| 3 |
Dawson, Sydney A (14)
|
LACOLA |
19:05.33 |
18:45.66 |
-19.67 |
| 4 |
Crespo, Riley K (13)
|
LAES |
20:07.30 |
18:52.57 |
-74.73 |
| 5 |
Manning, Regan V (13)
|
LACRAW |
19:25.49 |
19:13.33 |
-12.16 |
| 6 |
Vo, Justina A (13)
|
LARRAC |
19:41.05 |
19:35.89 |
-5.16 |
| 7 |
Courville, Olivia G (14)
|
LACRAW |
20:42.08 |
19:36.34 |
-65.74 |
| 8 |
Brunet, Olivia M (14)
|
LACRAW |
23:34.19 |
20:00.20 |
-213.99 |
| 9 |
Sullivan, Emma R (14)
|
LAES |
20:58.38 |
20:05.83 |
-52.55 |
| 10 |
Jackson, Abigail E (13)
|
LACOSS |
20:36.24 |
20:37.20 |
0.96 |
| 11 |
Oggs, Claudia E (14)
|
LAPAC |
23:34.19 |
20:50.29 |
-163.90 |
| 12 |
Merritt, Maisie J (13)
|
LABAC |
21:55.52 |
20:52.91 |
-62.61 |
| 13 |
Broussard, Elizabeth G (13)
|
LALCAT |
21:31.05 |
21:20.32 |
-10.73 |
| 14 |
Self, Kaitlyn R (13)
|
LACOLA |
23:34.19 |
21:25.03 |
-129.16 |
| 15 |
Stelly, Victoria A (13)
|
LASC |
21:45.00 |
21:35.53 |
-9.47 |
| 16 |
Hebert, Avery Grace M (13)
|
LACOLA |
23:34.19 |
21:51.48 |
-102.71 |
| 17 |
Rabalais, Jessica N (14)
|
LASC |
23:31.25 |
21:55.14 |
-96.11 |
| 18 |
Klein, Marina L (13)
|
LACOSS |
22:17.93 |
21:59.21 |
-18.72 |
| 19 |
O'Brien, Julia K (13)
|
LACOLA |
23:34.19 |
22:39.55 |
-54.64 |
| 20 |
Cassreino, Olivia M (14)
|
LAES |
22:42.73 |
22:40.65 |
-2.08 |
| 21 |
Romero, Addison A (13)
|
LACOLA |
23:34.19 |
22:59.80 |
-34.39 |
| 22 |
Horne, Jamie A (13)
|
LACOSS |
21:51.74 |
23:01.43 |
69.69 |
| 23 |
Smith, Sydney D (14)
|
LASC |
23:30.83 |
23:24.22 |
-6.61 |
| 24 |
Lange, Brianna N (13)
|
LAWAVE |
23:34.19 |
24:01.90 |
27.71 |