| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Grundeland, Gracie E (17)
|
MASTRM |
1:09.77 |
1:07.06 |
-2.71 |
| 1 |
Ong, Ashley (15)
|
MAUN-L |
55.71 |
56.83 |
1.12 |
| 2 |
Palakodeti, Laasya S (15)
|
MASTRM |
1:10.53 |
1:09.46 |
-1.07 |
| 2 |
Winton, Ashley N (17)
|
MASTRM |
56.11 |
58.83 |
2.72 |
| 3 |
Stevenson, Elizabeth A (16)
|
MASTRM |
57.73 |
1:01.03 |
3.30 |
| 3 |
McClain, Corrine M (16)
|
MAJRAY |
1:38.09 |
1:29.85 |
-8.24 |
| 4 |
Bansky, Sarah E (15)
|
MAUN-L |
58.84 |
1:01.63 |
2.79 |
| 4 |
Kukon, Gabriella M (15)
|
MAJRAY |
|
1:32.95 |
- |
| 5 |
Gallman, Jayla D (17)
|
MASTRM |
59.23 |
1:06.56 |
7.33 |
|
Kunta, Neha (15)
|
MAT85 |
|
NS |
- |