| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
DeMartinis, Catharina (9)
|
MASERP |
42.67 |
1:20.64 |
37.97 |
| 1 |
Kohm, Gabriella E (10)
|
MAGAAC |
1:25.12 |
1:24.25 |
-0.87 |
| 1 |
Bowen, Marika Z (9)
|
MANSC |
|
1:24.72 |
- |
| 2 |
Song, Sophia (10)
|
MAGAAC |
1:31.11 |
1:25.12 |
-5.99 |
| 2 |
Williams, Mazie L (10)
|
MAGAAC |
1:23.90 |
1:27.35 |
3.45 |
| 3 |
Jarantow, Alexandra K (9)
|
MAPENN |
1:32.50 |
1:31.74 |
-0.76 |
| 3 |
Buerger, Ainsley B (9)
|
MAGAAC |
1:29.76 |
1:32.87 |
3.11 |
| 4 |
Karpinski, Genevieve F (10)
|
MASERP |
1:37.66 |
1:42.79 |
5.13 |
| 5 |
Ethiraj, Sanjita (9)
|
MAT85 |
1:50.29 |
1:50.50 |
0.21 |
|
McCrudden, Charlotte K (9)
|
MAGAAC |
|
NS |
- |
|
Hassan, Sumiya B (10)
|
MASERP |
|
NS |
- |