| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Campbell, Cara M (17)
|
NISYCH |
27.94 |
28.30 |
0.36 |
| 2 |
Wratney, Elise C (11)
|
NISYCH |
34.93 |
34.37 |
-0.56 |
| 3 |
Ogata, Olivia Y (11)
|
NISYCH |
35.95 |
37.33 |
1.38 |
| 4 |
Liu, Clare Y (13)
|
NISYCH |
39.26 |
38.27 |
-0.99 |
| 5 |
Millson, Katherine R (12)
|
NISYCH |
36.64 |
39.79 |
3.15 |
| 6 |
Phoha, Rekha W (11)
|
NISYCH |
36.76 |
40.44 |
3.68 |
| 7 |
Davenport, Autumn (15)
|
NIWGSC |
38.31 |
42.14 |
3.83 |
| 8 |
Smith, Eliza G (11)
|
NISYCH |
53.89 |
42.62 |
-11.27 |
| 9 |
Lister, Margaret M (12)
|
NISYCH |
41.97 |
42.69 |
0.72 |
| 10 |
Fuller, Anna G (10)
|
NISYCH |
40.30 |
43.85 |
3.55 |
| 11 |
Hasegawa, Clara R (11)
|
NISYCH |
44.06 |
44.63 |
0.57 |
| 12 |
Comeau, Isabel G (11)
|
NISYCH |
|
47.09 |
- |
| 13 |
Dabulewicz, Marley J (10)
|
NISYCH |
53.52 |
49.41 |
-4.11 |
| 14 |
Wales, Thearyn J (9)
|
NISYCH |
51.71 |
51.97 |
0.26 |