| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dart, Ellen A (13)
|
LARRAC |
1:03.99 |
1:02.85 |
-1.14 |
| 2 |
Tibbett, Bailey P (13)
|
LASC |
1:09.98 |
1:09.42 |
-0.56 |
| 3 |
Dalke, Samantha E (13)
|
LASC |
1:10.52 |
1:10.88 |
0.36 |
| 4 |
Simon, Katherine P (13)
|
LARRAC |
1:14.55 |
1:13.48 |
-1.07 |
| 5 |
Chelette, Anna K (13)
|
LACOAS |
1:13.07 |
1:15.18 |
2.11 |
| 6 |
Adams, Chloe E (13)
|
LASC |
1:17.50 |
1:16.18 |
-1.32 |
| 7 |
Pizarro, Elena M (13)
|
LARRAC |
1:09.91 |
1:16.62 |
6.71 |
| 8 |
Miller, Harper E (14)
|
LASC |
1:23.20 |
1:25.71 |
2.51 |
| 9 |
LaCombe-Bennett, Bailey A (13)
|
LACOAS |
1:39.54 |
1:36.79 |
-2.75 |
|
Romanski, Isabella G (14)
|
LARRAC |
1:20.67 |
DQ |
- |
|
Glass, Ella A (13)
|
LARRAC |
1:07.01 |
NS |
- |