| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ponce, Isabel G (12)
|
MRPAC |
58.10 |
58.10 |
0.00 |
| 2 |
Sarier-Smith, Hannah F (12)
|
MRPAC |
1:00.45 |
1:02.01 |
1.56 |
| 3 |
Sabol, Mackinzie I (12)
|
MRBGNW |
1:03.95 |
1:02.23 |
-1.72 |
| 4 |
Santos, Isabelle G (12)
|
MRPAC |
1:01.24 |
1:02.56 |
1.32 |
| 5 |
Kung, Alexis D (12)
|
MRBGNW |
1:01.36 |
1:04.89 |
3.53 |
| 6 |
Ho, Audrey J (12)
|
MRBGNW |
1:09.11 |
1:07.51 |
-1.60 |
| 7 |
Gelinas, Alexa (12)
|
MRBGNW |
1:11.84 |
1:10.10 |
-1.74 |
| 8 |
Ross, Ashley T (12)
|
MRBGNW |
1:14.04 |
1:10.40 |
-3.64 |
| 9 |
Banta, Parker E (12)
|
MRBGNW |
1:13.84 |
1:16.40 |
2.56 |
| 10 |
Wang, Reese (12)
|
MRBGNW |
1:14.05 |
1:17.25 |
3.20 |
| 11 |
Kong, Sophia F (12)
|
MRBGNW |
1:21.97 |
1:17.39 |
-4.58 |
|
Hallac, Sophia R (12)
|
MRBGNW |
1:07.98 |
NS |
- |
|
Valenzuela, Isabel A (12)
|
MRBGNW |
1:05.92 |
NS |
- |