| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
la Fleur, Madeleine F (12)
|
MRBGNW |
30.84 |
29.87 |
-0.97 |
| 1 |
Boda, Zoe M (12)
|
MRCOND |
31.96 |
30.69 |
-1.27 |
| 2 |
Plawiak, Emilia A (12)
|
MRYMID |
31.86 |
31.16 |
-0.70 |
| 2 |
Kregel, Marina (12)
|
MRNDAC |
33.91 |
34.70 |
0.79 |
| 3 |
Thekkenmar, Smera M (12)
|
MRSMC |
32.11 |
31.40 |
-0.71 |
| 4 |
Riccio, Allison J (12)
|
MRPAC |
33.27 |
32.05 |
-1.22 |
| 5 |
Edelmann, Ansley (12)
|
MRCFJV |
33.22 |
32.10 |
-1.12 |
| 6 |
Jones-Torres, Olivia-Ziva J (12)
|
MRPBAC |
32.24 |
32.24 |
0.00 |
| 7 |
Rubin, Sally M (12)
|
MRCOND |
32.45 |
32.25 |
-0.20 |
| 8 |
Zellner-Portela, Natasha N (12)
|
MRNYSA |
33.24 |
33.80 |
0.56 |
| 9 |
Bubel, Nora E (12)
|
MRNDAC |
33.95 |
33.86 |
-0.09 |
| 10 |
Sirkowa, Adelina C (12)
|
MRNYSA |
33.95 |
33.94 |
-0.01 |
|
Oh, Madeline J (12)
|
MRBGNW |
33.33 |
NS |
- |