| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Coppola, Sophia M (12)
|
MRBGNW |
1:16.00 |
1:12.20 |
-3.80 |
| 2 |
McGourty, Megan R (11)
|
MRBGNW |
1:13.64 |
1:13.03 |
-0.61 |
| 3 |
White, Finley M (11)
|
MRBGNW |
1:16.29 |
1:13.37 |
-2.92 |
| 4 |
Valenzuela, Isabel A (12)
|
MRBGNW |
1:16.07 |
1:13.68 |
-2.39 |
| 5 |
Lovig, Natalie J (11)
|
MRBGNW |
1:17.80 |
1:14.56 |
-3.24 |
| 6 |
Figliola, Lucille W (12)
|
MRBGNW |
1:16.45 |
1:17.67 |
1.22 |
| 7 |
Banta, Parker E (12)
|
MRBGNW |
1:24.49 |
1:18.21 |
-6.28 |
| 8 |
Oh, Madeline J (11)
|
MRBGNW |
1:26.89 |
1:21.31 |
-5.58 |
| 9 |
King, Madison P (11)
|
MRBGNW |
1:34.59 |
1:27.34 |
-7.25 |
| 10 |
Lane, Caroline G (11)
|
MRBGNW |
1:35.08 |
1:28.96 |
-6.12 |
|
Callaghan, Brigid M (12)
|
MRBGNW |
1:20.08 |
NS |
- |
|
O'Donnell, Katherine A (12)
|
MRBGNW |
1:07.86 |
NS |
- |