| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Suzuki, Mako (12)
|
MRYMID |
1:03.94 |
1:03.53 |
-0.41 |
| 2 |
Dugan, Sophia N (11)
|
MRYMID |
1:09.53 |
1:05.81 |
-3.72 |
| 3 |
McGourty, Molly F (11)
|
MRBGNW |
1:09.02 |
1:08.64 |
-0.38 |
| 4 |
White, Sienna R (12)
|
MRBGNW |
1:12.79 |
1:09.51 |
-3.28 |
| 5 |
Tassier, Katherine A (12)
|
MRBGNW |
1:09.79 |
1:09.72 |
-0.07 |
| 6 |
Hendrickson, Riley D (11)
|
MRYMID |
1:11.75 |
1:11.17 |
-0.58 |
| 7 |
Zhu, Alicia (11)
|
MRBGNW |
1:18.76 |
1:13.58 |
-5.18 |
| 8 |
Wang, Reese (11)
|
MRBGNW |
1:33.46 |
1:17.60 |
-15.86 |
| 9 |
Viswanathan, Trisha (12)
|
MRYMID |
|
1:25.18 |
- |
| 10 |
Szczepkowski, Kaya M (11)
|
MRBGNW |
1:35.00 |
1:31.33 |
-3.67 |
| 11 |
Leon, Genesis A (11)
|
MRYMID |
|
1:37.75 |
- |
| 12 |
King, Kayla S (11)
|
MRBGNW |
1:40.88 |
1:40.65 |
-0.23 |