| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thomas, Kasi (13)
|
PNWYD |
34.01 |
35.37 |
1.36 |
| 2 |
Brannfors, Anneliese (12)
|
PNDTY |
40.07 |
36.70 |
-3.37 |
| 3 |
Lewis, Kathryn (14)
|
PNSVFY |
37.16 |
37.51 |
0.35 |
| 4 |
Norton, Purdey R (13)
|
PNNSYS |
36.29 |
37.58 |
1.29 |
| 5 |
Broderhausen, Audrey (13)
|
PNDTY |
33.05 |
37.96 |
4.91 |
| 6 |
Karwal, Suhani (14)
|
PNSVFY |
39.38 |
39.27 |
-0.11 |
| 7 |
Burrill, Lana (13)
|
PNWYD |
|
41.01 |
- |
| 8 |
VanderWeyst, Heidi M (13)
|
PNNSYS |
43.75 |
42.87 |
-0.88 |
| 9 |
Smitkin, Sabrina (14)
|
MCY |
42.84 |
43.24 |
0.40 |
| 10 |
Czarnecki, Alexis (13)
|
MCY |
45.00 |
43.87 |
-1.13 |
| 11 |
Shrestha, Neeva (14)
|
MCY |
47.31 |
46.33 |
-0.98 |