| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lucca, Sarah (10)
|
MRHAA |
1:13.51 |
1:10.39 |
-3.12 |
| 2 |
Lucca, Julia (10)
|
MRHAA |
1:24.14 |
1:16.97 |
-7.17 |
| 3 |
Diaz, Una M (10)
|
MRLIAC |
1:23.20 |
1:18.18 |
-5.02 |
| 4 |
Canales Alvizuri, Isabella N (10)
|
MRLIAC |
1:25.96 |
1:19.02 |
-6.94 |
| 5 |
Simons, Ashley R (10)
|
MRLIAC |
1:21.48 |
1:24.06 |
2.58 |
| 6 |
Kohner, Charlotte A (10)
|
MRLIE |
1:35.29 |
1:24.30 |
-10.99 |
| 7 |
Hsieh, Amelia (10)
|
MRLIAC |
1:22.45 |
1:24.77 |
2.32 |
| 8 |
Wang, Yihan (10)
|
MRLIAC |
1:35.15 |
1:26.83 |
-8.32 |
| 9 |
Wigington, Scarlett G (10)
|
MRSSC |
1:35.13 |
1:28.00 |
-7.13 |
| 10 |
Chavez, Emma S (10)
|
MRLIAC |
1:34.74 |
1:31.65 |
-3.09 |
| 11 |
Wallace, Evangeline R (10)
|
MRSSC |
1:37.13 |
1:36.87 |
-0.26 |
| 12 |
Rochford, Juliana G (10)
|
MRUN |
1:37.63 |
1:38.42 |
0.79 |
|
Tedesco, Amanda G (10)
|
MRIA |
1:26.02 |
NS |
- |
|
Canty, Lauren G (10)
|
MRLIAC |
1:16.60 |
NS |
- |