| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wang, Cindy Y (10)
|
MRAPEX |
39.69 |
36.90 |
-2.79 |
| 2 |
Moran, Laura A (9)
|
MRNCAC |
37.00 |
37.49 |
0.49 |
| 3 |
Hall, Lavinia (10)
|
MRAPEX |
38.85 |
40.84 |
1.99 |
| 4 |
Regan, Jaclyn (9)
|
MRNCAC |
44.00 |
44.85 |
0.85 |
| 5 |
Baran, Julia (10)
|
MRNCAC |
41.00 |
45.00 |
4.00 |
| 6 |
Sun, Shuyuan (10)
|
MRNCAC |
|
45.11 |
- |
| 7 |
Deng, Eileen (10)
|
MRAPEX |
|
48.03 |
- |
| 8 |
Sargeant, Yvanah-Bryelle l (10)
|
MRHES |
|
48.19 |
- |
| 9 |
Hernandez, Destiny (9)
|
MRAPEX |
46.74 |
48.32 |
1.58 |
| 10 |
Pena, Camila A (9)
|
MRAPEX |
51.98 |
51.30 |
-0.68 |
| 11 |
Obara, Veronica (10)
|
MRHES |
|
53.68 |
- |
| 12 |
Joyce, Margaret (9)
|
MRCFB |
51.85 |
54.75 |
2.90 |
| 13 |
Kracht, Elizabeth (9)
|
MRCFB |
|
55.52 |
- |
| 14 |
Toledo, Ylenia E (10)
|
MRAPEX |
|
57.03 |
- |
| 15 |
Kwan, Maggie (9)
|
MRNCAC |
1:13.04 |
58.23 |
-14.81 |
| 16 |
Alexandre, Ariana K (10)
|
MRUN |
|
1:14.46 |
- |
|
Tula, Kelly A (9)
|
MRAPEX |
48.07 |
DQ |
- |
|
Emmanuel, Aniyah N (11)
|
MRHES |
|
NS |
- |
|
Thrower, Nia S (11)
|
MRHES |
|
NS |
- |
|
Brulinski, Natalia E (10)
|
MRNCAC |
44.00 |
NS |
- |