| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
McNulty, Mary Frances T (12)
|
MACBST |
1:11.20 |
1:11.66 |
0.46 |
| 2 |
Walls, Jillian Y (11)
|
MAPAAC |
1:12.80 |
1:14.47 |
1.67 |
| 3 |
Fleischaker, Leyna S (12)
|
MAPAAC |
1:16.96 |
1:15.63 |
-1.33 |
| 4 |
Brandbergh, Analiese P (11)
|
MACBST |
1:13.07 |
1:15.84 |
2.77 |
| 5 |
Szerencsits, Olivia S (12)
|
MAPAAC |
1:16.06 |
1:16.07 |
0.01 |
| 6 |
Sheridan, Sophie E (12)
|
MAPAAC |
1:15.36 |
1:19.86 |
4.50 |
| 7 |
Sheridan, Isabel L (12)
|
MAPAAC |
1:18.64 |
1:21.20 |
2.56 |
| 8 |
Grandia, Isbabella H (12)
|
MAKIDS |
1:28.60 |
1:21.62 |
-6.98 |
| 9 |
McCallion, Evelyn R (12)
|
MACBST |
1:19.66 |
1:21.65 |
1.99 |
| 9 |
Bixby, Luca B (12)
|
MACBST |
1:24.41 |
1:21.65 |
-2.76 |
| 11 |
He, Katherine F (11)
|
MACBST |
|
1:22.90 |
- |
| 12 |
Karnhaukhova, Anastasiya (11)
|
MALVA |
1:27.23 |
1:23.28 |
-3.95 |
| 13 |
Dolan, Rachel M (12)
|
MAPAAC |
1:23.18 |
1:25.60 |
2.42 |
| 14 |
Sorgi, Gina M (12)
|
MAPAAC |
1:35.43 |
1:29.13 |
-6.30 |
|
Finley, Julia A (11)
|
MAKIDS |
|
NS |
- |
|
Galle, Taylor A (12)
|
MAKIDS |
1:31.09 |
NS |
- |
|
Green, Victoria M (12)
|
MACBST |
1:26.88 |
NS |
- |