| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Murray, Miranda B (12)
|
MAPFY |
36.60 |
30.41 |
-6.19 |
| 2 |
Thompson, Paris J (11)
|
MASAKA |
32.41 |
32.01 |
-0.40 |
| 3 |
Brennan, Isabella L (11)
|
MAGPAC |
32.49 |
32.75 |
0.26 |
| 4 |
Chisholm-McVay, Kayah J (12)
|
MASAKA |
31.83 |
33.56 |
1.73 |
| 5 |
Okongwu, Amara R (12)
|
MASERP |
32.64 |
33.78 |
1.14 |
| 6 |
Wiley, Maggie A (12)
|
MANRG |
36.37 |
35.53 |
-0.84 |
| 7 |
McElwain, Audrey S (11)
|
MAJRAY |
37.24 |
36.39 |
-0.85 |
| 8 |
Campbell, Maya A (11)
|
MAGPAC |
37.66 |
36.58 |
-1.08 |
| 9 |
Gravuer, Kiersten M (12)
|
MANRG |
36.67 |
38.31 |
1.64 |
| 10 |
Okongwu, Ijenu U (11)
|
MASERP |
38.11 |
40.60 |
2.49 |
| 11 |
McKiernan, Shannon L (11)
|
MAJRAY |
44.71 |
45.98 |
1.27 |
| 12 |
Henry, Kameryn L (11)
|
MASERP |
52.00 |
46.43 |
-5.57 |
|
Schwab, Solomaya F (12)
|
MASERP |
|
DQ |
- |
|
Bongiorno, Madeline G (12)
|
MAGPAC |
35.36 |
NS |
- |
|
Bokarev, Anna (11)
|
MANRG |
33.84 |
NS |
- |
|
Thut, Emilia (12)
|
MASERP |
41.48 |
NS |
- |