| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wang, Cindy Y (10)
|
MRAPEX |
43.31 |
42.09 |
-1.22 |
| 2 |
Sun, Shuyuan (10)
|
MRNCAC |
41.00 |
43.04 |
2.04 |
| 3 |
Moran, Laura A (9)
|
MRNCAC |
45.00 |
46.25 |
1.25 |
| 4 |
Regan, Jaclyn (9)
|
MRNCAC |
44.00 |
46.44 |
2.44 |
| 5 |
Hall, Lavinia (10)
|
MRAPEX |
45.90 |
47.23 |
1.33 |
| 6 |
Sargeant, Yvanah-Bryelle l (10)
|
MRHES |
56.00 |
49.39 |
-6.61 |
| 7 |
Baran, Julia (10)
|
MRNCAC |
49.84 |
49.47 |
-0.37 |
| 8 |
VanWormer, Rowan (9)
|
MRCFB |
48.51 |
50.39 |
1.88 |
| 9 |
Obara, Veronica (10)
|
MRHES |
|
51.66 |
- |
| 10 |
Kwan, Maggie (9)
|
MRNCAC |
53.46 |
53.45 |
-0.01 |
| 11 |
Deng, Eileen (10)
|
MRAPEX |
52.02 |
54.17 |
2.15 |
| 12 |
Pena, Camila A (9)
|
MRAPEX |
49.36 |
54.23 |
4.87 |
| 13 |
Tula, Kelly A (9)
|
MRAPEX |
58.40 |
55.40 |
-3.00 |
| 14 |
Alexandre, Ariana K (10)
|
MRUN |
|
1:01.60 |
- |
|
Emmanuel, Aniyah N (11)
|
MRHES |
|
NS |
- |
|
Thrower, Nia S (11)
|
MRHES |
|
NS |
- |
|
Brulinski, Natalia E (10)
|
MRNCAC |
44.00 |
NS |
- |
|
Byrnes, Brigid (10)
|
MRCFB |
1:00.56 |
NS |
- |