| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fletcher, Maddie L (11)
|
MASTRM |
1:27.73 |
1:24.88 |
-2.85 |
| 2 |
Weisgarber, Claire A (12)
|
MASTRM |
|
1:30.50 |
- |
| 3 |
Thach, Ailani (11)
|
MALIFE |
1:53.11 |
1:32.41 |
-20.70 |
| 4 |
Lawlor, Kaitlin (11)
|
MASTRM |
1:46.70 |
1:35.40 |
-11.30 |
| 5 |
Martinez, Eliza N (11)
|
MASTRM |
|
1:35.91 |
- |
| 6 |
Kuk, Abigail J (12)
|
MASTRM |
1:42.54 |
1:37.06 |
-5.48 |
| 7 |
Hedden, Reagan (11)
|
MALIFE |
1:59.99 |
1:44.99 |
-15.00 |
| 8 |
Sims, Lily C (11)
|
MALIFE |
|
1:47.84 |
- |
| 9 |
Mull, Addison M (11)
|
MASTRM |
|
1:51.16 |
- |
| 10 |
Fichera, Sophia (11)
|
MALIFE |
|
1:52.73 |
- |
|
Michailovsky, Diana A (11)
|
MALIFE |
|
DQ |
- |