| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Szerencsits, Olivia S (12)
|
MAPAAC |
1:08.92 |
1:10.18 |
1.26 |
| 2 |
Sergent, Brooke D (11)
|
MALVA |
1:09.06 |
1:11.45 |
2.39 |
| 3 |
Brandbergh, Analiese P (11)
|
MACBST |
1:17.71 |
1:14.49 |
-3.22 |
| 4 |
Walls, Jillian Y (11)
|
MAPAAC |
1:15.89 |
1:17.05 |
1.16 |
| 5 |
McNulty, Mary Frances T (12)
|
MACBST |
1:13.91 |
1:17.41 |
3.50 |
| 6 |
Walls, Lauren R (11)
|
MAPAAC |
1:19.77 |
1:17.94 |
-1.83 |
| 7 |
Sheridan, Isabel L (12)
|
MAPAAC |
1:17.90 |
1:19.43 |
1.53 |
| 8 |
Sheridan, Sophie E (12)
|
MAPAAC |
1:17.54 |
1:19.88 |
2.34 |
| 9 |
McCallion, Evelyn R (12)
|
MACBST |
1:24.37 |
1:22.12 |
-2.25 |
| 10 |
Dolan, Rachel M (12)
|
MAPAAC |
1:20.28 |
1:22.86 |
2.58 |
| 11 |
He, Katherine F (11)
|
MACBST |
1:36.20 |
1:30.31 |
-5.89 |
| 12 |
Karnhaukhova, Anastasiya (11)
|
MALVA |
1:28.16 |
1:32.50 |
4.34 |
| 13 |
Sorgi, Gina M (12)
|
MAPAAC |
1:29.61 |
1:33.66 |
4.05 |
| 14 |
Grandia, Isbabella H (12)
|
MAKIDS |
|
1:40.43 |
- |
|
Galle, Taylor A (12)
|
MAKIDS |
|
NS |
- |