| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Moore, Grace F (10)
|
ADDELM |
41.81 |
39.04 |
-2.77 |
| 2 |
Newcomb, Cora J (10)
|
ADHAWK |
37.98 |
39.12 |
1.14 |
| 3 |
Corrado, Charlotte S (10)
|
MRMWDA |
36.27 |
41.18 |
4.91 |
| 4 |
Lee, Jeane A (9)
|
ADALBS |
48.52 |
44.24 |
-4.28 |
| 5 |
Mirel, Alexandra H (10)
|
ADALBS |
46.32 |
44.61 |
-1.71 |
| 6 |
Sanghi, Ingrid K (10)
|
ADCPP |
39.97 |
45.55 |
5.58 |
| 7 |
Cronin, Julia M (9)
|
ADUSAM |
46.98 |
45.87 |
-1.11 |
| 8 |
Hopke, Stella M (9)
|
ADCPP |
52.99 |
47.38 |
-5.61 |
| 9 |
Reid, Camille S (10)
|
ADHAWK |
48.78 |
47.88 |
-0.90 |
| 10 |
Howe, Kaelyn (10)
|
ADDELM |
47.89 |
50.29 |
2.40 |
| 11 |
Lipson, Naomi H (10)
|
ADHAWK |
|
50.58 |
- |
| 12 |
Spinks, Aria M (9)
|
ADKING |
53.73 |
51.52 |
-2.21 |
| 13 |
Keller, Catherine E (9)
|
ADALBS |
1:01.47 |
53.92 |
-7.55 |
| 14 |
Wang, Phira Y (9)
|
ADCPP |
1:00.55 |
57.61 |
-2.94 |
| 15 |
Sayre, Charlotte P (9)
|
ADALBS |
|
57.71 |
- |
| 16 |
Bachor, Annika M (10)
|
ADKING |
1:04.40 |
1:08.29 |
3.89 |
|
Amos, Teagon N (10)
|
ADCLRK |
|
DQ |
- |
|
Hurlbut, Madeline M (9)
|
ADGRGF |
1:17.21 |
DQ |
- |
|
Larocca, Evelyn S (9)
|
ADHAWK |
|
DQ |
- |
|
Donnaruma, Leanah-Mae (9)
|
ADDELM |
|
NS |
- |