| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Suzuki, Mako (12)
|
MRYMID |
1:13.33 |
1:10.06 |
-3.27 |
| 2 |
Goldstein, Charley A (12)
|
MRBGNW |
1:09.09 |
1:11.29 |
2.20 |
| 3 |
Fagan, Paige C (12)
|
MRBGNW |
1:13.18 |
1:14.39 |
1.21 |
| 4 |
Solomon, Mirabel K (12)
|
MRBGNW |
1:15.78 |
1:14.79 |
-0.99 |
| 5 |
Hill, Sasha (12)
|
MRYMID |
1:14.36 |
1:14.91 |
0.55 |
| 6 |
Ogaki, Chisa (12)
|
MRYMID |
1:16.04 |
1:15.61 |
-0.43 |
| 7 |
Vitti, Kate L (11)
|
MRBGNW |
1:14.53 |
1:16.47 |
1.94 |
| 8 |
Kung, Alexis D (11)
|
MRBGNW |
1:15.92 |
1:18.12 |
2.20 |
| 9 |
McGourty, Molly F (11)
|
MRBGNW |
1:16.83 |
1:18.56 |
1.73 |
| 10 |
Zhu, Alicia (11)
|
MRBGNW |
1:21.83 |
1:18.85 |
-2.98 |
| 11 |
Tassier, Katherine A (12)
|
MRBGNW |
1:23.53 |
1:23.29 |
-0.24 |
| 12 |
Hallac, Sophia R (11)
|
MRBGNW |
1:25.90 |
1:25.83 |
-0.07 |
| 13 |
Hendrickson, Riley D (11)
|
MRYMID |
1:23.89 |
1:26.30 |
2.41 |
| 14 |
King, Kayla S (11)
|
MRBGNW |
1:51.75 |
1:50.52 |
-1.23 |