| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Campbell, Harbor M (8)
|
MADCAA |
50.36 |
47.74 |
-2.62 |
| 2 |
Baughman, Caroline E (8)
|
MAGAAC |
53.78 |
48.58 |
-5.20 |
| 3 |
Campbell, Sealeigh J (6)
|
MADCAA |
|
57.40 |
- |
| 4 |
Cottingham, Keira (8)
|
MAUDAC |
|
57.78 |
- |
| 5 |
Tucker, Ruby C (8)
|
MACHEL |
58.01 |
59.45 |
1.44 |
| 6 |
Diffily-Kenney, Nora (8)
|
MASERP |
|
1:00.29 |
- |
| 7 |
Adams, Bronwyn L (8)
|
MADSC |
|
1:01.91 |
- |
| 8 |
Campbell, Sailor W (6)
|
MADCAA |
|
1:02.71 |
- |
| 9 |
Moore, Kathryn J (8)
|
MASERP |
1:12.26 |
1:05.05 |
-7.21 |
| 10 |
Goldstein, Marietta G (7)
|
MASERP |
|
1:18.31 |
- |
|
O'Connor, Bryn (9)
|
MADCAA |
58.04 |
DQ |
- |
|
Karpinski, Genevieve F (8)
|
MASERP |
1:04.25 |
NS |
- |