| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Xiao, Lucia (14)
|
MRYFD |
1:12.16 |
1:11.38 |
-0.78 |
| 2 |
Uyanik, Alara A (13)
|
MRYFD |
1:16.96 |
1:14.67 |
-2.29 |
| 3 |
Tan, Felicity L (13)
|
MRYFD |
1:09.96 |
1:14.87 |
4.91 |
| 4 |
Bratton, Amelia E (13)
|
MRYFD |
1:22.62 |
1:19.42 |
-3.20 |
| 5 |
Linares, Lina M (14)
|
MRYFD |
1:17.93 |
1:19.67 |
1.74 |
| 6 |
Block, Patricia (14)
|
MRTRI |
1:18.78 |
1:20.09 |
1.31 |
| 7 |
Paventi, Ashley (13)
|
MRTRI |
1:30.79 |
1:24.48 |
-6.31 |
| 8 |
King, Jordan M (13)
|
MRYFD |
1:25.72 |
1:25.61 |
-0.11 |
| 9 |
Van Name, Lily (13)
|
MRTRI |
|
1:26.25 |
- |
| 10 |
Smith, Ava D (13)
|
MRYFD |
1:25.60 |
1:27.24 |
1.64 |
| 11 |
Paventi, Lauren (13)
|
MRTRI |
1:29.13 |
1:30.73 |
1.60 |
| 12 |
Smith, Jaida (13)
|
MRKBM |
1:50.00 |
1:36.93 |
-13.07 |
| 13 |
Roberto, Finn M (13)
|
MRBKR |
1:40.00 |
1:41.86 |
1.86 |
| 14 |
Bist, Lavanya (13)
|
MRYFD |
|
1:50.20 |
- |
|
Bartoletti, Isabella C (13)
|
MRYFD |
|
DQ |
- |
|
Cooperman, Zoe Z (14)
|
MRYFD |
|
NS |
- |