| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Scholer, Heidi S (12)
|
MACBST |
1:11.94 |
1:11.48 |
-0.46 |
| 2 |
Szerencsits, Olivia S (11)
|
MAPAAC |
1:14.14 |
1:13.99 |
-0.15 |
| 3 |
McCall, Corinne C (12)
|
MAPFY |
1:38.10 |
1:21.75 |
-16.35 |
| 4 |
Williams, Nevaeh J (12)
|
MAPFY |
1:16.84 |
1:22.98 |
6.14 |
| 5 |
Eastman, Natalie A (12)
|
MAPFY |
1:29.35 |
1:23.11 |
-6.24 |
| 6 |
Sheridan, Isabel L (11)
|
MAPAAC |
1:31.25 |
1:27.60 |
-3.65 |
| 7 |
Kirsopp, Abigail K (12)
|
MAPAAC |
1:30.26 |
1:28.96 |
-1.30 |
| 8 |
Fleischaker, Leyna S (11)
|
MAPAAC |
1:54.00 |
1:30.18 |
-23.82 |
| 9 |
Sheridan, Sophie E (11)
|
MAPAAC |
1:36.70 |
1:30.27 |
-6.43 |
| 10 |
Svetz, Claire V (12)
|
MAPAAC |
|
1:36.22 |
- |
| 11 |
Thut, Emilia (12)
|
MASERP |
1:43.88 |
1:45.75 |
1.87 |
| 12 |
Mehta, Tanya (11)
|
MAPAAC |
1:43.83 |
1:47.30 |
3.47 |