| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chia, Molly (12)
|
MRFAST |
1:11.75 |
1:07.78 |
-3.97 |
| 2 |
Laurenceau, Alyssa M (12)
|
MRFAST |
1:10.68 |
1:08.14 |
-2.54 |
| 3 |
Rocano, Kayla D (12)
|
MRFAST |
1:10.86 |
1:08.71 |
-2.15 |
| 4 |
Duver, Sophia E (12)
|
MRSS |
1:16.56 |
1:10.91 |
-5.65 |
| 5 |
Kelly, Alanna M (11)
|
MRSS |
1:31.21 |
1:14.02 |
-17.19 |
| 6 |
Mainiero, Sophia L (11)
|
MRSS |
1:14.96 |
1:15.89 |
0.93 |
| 7 |
Minozzi, Marissa L (11)
|
MRSS |
1:24.64 |
1:16.83 |
-7.81 |
| 8 |
Castaneda, Stephanie (12)
|
MRFAST |
1:21.98 |
1:18.13 |
-3.85 |
| 9 |
Steinhauer, Berkeley L (12)
|
MRSS |
1:38.11 |
1:22.54 |
-15.57 |
| 10 |
Trieff, Lily S (11)
|
MRSS |
1:27.43 |
1:28.55 |
1.12 |
| 11 |
Silver, Christina M (11)
|
MRSS |
1:37.74 |
1:28.84 |
-8.90 |
| 12 |
Skjeveland, Kira R (11)
|
MRFAST |
|
1:49.96 |
- |