| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kopcho, Julia L (11)
|
MASTRM |
1:27.72 |
1:22.87 |
-4.85 |
| 2 |
Volchansky, Emily (11)
|
MAT85 |
1:26.65 |
1:27.07 |
0.42 |
| 3 |
Eun, Kellie (12)
|
MAT85 |
|
1:27.82 |
- |
| 4 |
Fletcher, Maddie L (11)
|
MASTRM |
1:30.91 |
1:27.83 |
-3.08 |
| 5 |
Martinez, Eliza N (11)
|
MASTRM |
1:37.13 |
1:32.18 |
-4.95 |
| 6 |
Lawlor, Kaitlin (11)
|
MASTRM |
1:43.87 |
1:38.05 |
-5.82 |
| 7 |
Werner, Julia (11)
|
MALIFE |
1:57.13 |
1:39.78 |
-17.35 |
| 8 |
Sims, Lily C (11)
|
MALIFE |
|
1:40.65 |
- |
| 9 |
Kuk, Abigail J (12)
|
MASTRM |
1:46.04 |
1:45.15 |
-0.89 |
| 10 |
Schmid, Madeline L (11)
|
MASTRM |
1:47.44 |
1:47.13 |
-0.31 |
| 11 |
Mull, Addison M (11)
|
MASTRM |
|
1:54.06 |
- |
|
Jones, Aidyn S (11)
|
MASTRM |
|
DQ |
- |
|
Fichera, Sophia (11)
|
MALIFE |
|
NS |
- |
|
Michailovsky, Diana A (11)
|
MALIFE |
|
NS |
- |