| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Herr, Emily A (10)
|
MRTVSC |
37.79 |
39.00 |
1.21 |
| 2 |
Chazov, Pelagia (10)
|
MRFREE |
45.30 |
45.88 |
0.58 |
| 3 |
Lisica, Sabrina N (10)
|
MRTVSC |
44.23 |
46.04 |
1.81 |
| 4 |
Monti, Lila R (9)
|
MRTVSC |
45.47 |
46.61 |
1.14 |
| 5 |
Lee, Cherry (10)
|
MRLIAC |
46.73 |
46.73 |
0.00 |
| 6 |
Schnappauf, Samantha G (10)
|
MRLIAC |
44.88 |
47.15 |
2.27 |
| 7 |
Gormsen, Lily J (10)
|
MRLIAC |
47.21 |
49.32 |
2.11 |
| 8 |
D'Amelio, Theodora M (10)
|
MRFREE |
46.54 |
49.90 |
3.36 |
| 9 |
Tavitian, Charlize S (10)
|
MRBAD |
48.01 |
53.75 |
5.74 |
| 10 |
Ford, Madeline G (10)
|
MRBAD |
48.02 |
54.36 |
6.34 |