| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Goldstein, Charley A (12)
|
MRBGNW |
1:16.27 |
1:17.94 |
1.67 |
| 2 |
Ogaki, Chisa (12)
|
MRYMID |
1:21.13 |
1:22.89 |
1.76 |
| 3 |
Vitti, Kate L (11)
|
MRBGNW |
1:19.27 |
1:23.85 |
4.58 |
| 4 |
Hill, Sasha (12)
|
MRYMID |
1:27.88 |
1:24.69 |
-3.19 |
| 5 |
Fagan, Paige C (12)
|
MRBGNW |
1:23.34 |
1:25.03 |
1.69 |
| 6 |
Lee, Meredith I (11)
|
MRBGNW |
1:28.24 |
1:25.47 |
-2.77 |
| 7 |
Kung, Alexis D (11)
|
MRBGNW |
1:28.92 |
1:27.55 |
-1.37 |
| 8 |
Solomon, Mirabel K (12)
|
MRBGNW |
1:28.05 |
1:27.60 |
-0.45 |
| 9 |
McGourty, Molly F (11)
|
MRBGNW |
1:27.52 |
1:29.12 |
1.60 |
| 10 |
Hendrickson, Riley D (11)
|
MRYMID |
1:37.43 |
1:36.59 |
-0.84 |
| 11 |
Tassier, Katherine A (12)
|
MRBGNW |
1:41.50 |
1:36.76 |
-4.74 |
| 12 |
Mejia, Jazmine (12)
|
MRYMID |
1:32.58 |
1:36.89 |
4.31 |
| 13 |
Hallac, Sophia R (11)
|
MRBGNW |
1:35.49 |
1:37.13 |
1.64 |
| 14 |
King, Kayla S (11)
|
MRBGNW |
1:58.62 |
1:55.07 |
-3.55 |
|
Leon, Genesis A (11)
|
MRYMID |
|
DQ |
- |