| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gipson, Amelia B (8)
|
MAGAAC |
41.66 |
41.07 |
-0.59 |
| 2 |
Smallwood, Charlotte R (8)
|
MATRI |
43.91 |
43.16 |
-0.75 |
| 3 |
Crawford, Averie M (8)
|
MADST |
|
45.95 |
- |
| 4 |
Baughman, Caroline E (8)
|
MAGAAC |
48.80 |
46.41 |
-2.39 |
| 5 |
Kalish, Morgan G (7)
|
MADST |
|
47.87 |
- |
| 6 |
Olin, Lily K (8)
|
MAFCA |
51.16 |
50.12 |
-1.04 |
| 7 |
DeMartinis, Cathrina (7)
|
MASERP |
|
50.67 |
- |
| 8 |
Moore, Ruth A (6)
|
MASERP |
52.07 |
50.95 |
-1.12 |
| 9 |
Smith, Sophie S (8)
|
MAFCA |
51.89 |
51.65 |
-0.24 |
| 9 |
Diffily-Kenney, Nora (8)
|
MASERP |
|
51.65 |
- |
| 11 |
Karpinski, Genevieve F (8)
|
MASERP |
55.25 |
51.71 |
-3.54 |
| 12 |
Furahi-Ali, Maymay (8)
|
MAGLEC |
|
52.57 |
- |
| 13 |
Perlis, Gabrielle A (8)
|
MAFCA |
1:06.72 |
53.48 |
-13.24 |
| 14 |
Richman, Lily E (6)
|
MASERP |
58.63 |
55.98 |
-2.65 |
| 15 |
Goldstein, Marietta G (7)
|
MASERP |
55.81 |
58.85 |
3.04 |
| 16 |
Doyle, Molly E (7)
|
MAFCA |
|
58.95 |
- |
| 17 |
Rosenberg, Reese F (6)
|
MAFCA |
|
1:04.19 |
- |
| 18 |
Ali, Hidaia A (7)
|
MASERP |
|
1:07.24 |
- |
| 19 |
Armstrong, Lucy P (7)
|
MADST |
1:08.56 |
1:09.66 |
1.10 |
| 20 |
Magliari, Addyson B (7)
|
MAGAAC |
|
1:22.68 |
- |
| 21 |
Baror, Maya (6)
|
MAFCA |
|
1:23.84 |
- |
|
Pfeffer, Campbell O (6)
|
MAGAAC |
|
DQ |
- |
|
Cao, Cynthia Z (8)
|
MADST |
51.23 |
NS |
- |