| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gao, Sophia (9)
|
ADCPP |
47.14 |
46.67 |
-0.47 |
| 2 |
Hao, Helen Z (10)
|
ADCPP |
48.33 |
51.20 |
2.87 |
| 3 |
Simmons, Madigan L (9)
|
ADCPP |
1:03.31 |
58.46 |
-4.85 |
| 4 |
Banson, Marissa Belle P (10)
|
ADBFIN |
1:01.43 |
59.50 |
-1.93 |
| 5 |
Fiacco, Briella P (10)
|
ADBFIN |
1:00.89 |
1:00.22 |
-0.67 |
| 6 |
Bourassa, Annalise (10)
|
ADCPP |
|
1:07.66 |
- |
| 7 |
Russo, Natalie L (10)
|
ADCPP |
1:04.51 |
1:08.98 |
4.47 |
| 8 |
Zhang, Chloe H (9)
|
ADCPP |
1:12.51 |
1:10.14 |
-2.37 |
| 9 |
Ensminger, Annabelle G (10)
|
ADCPP |
1:18.70 |
1:17.16 |
-1.54 |
| 10 |
Sharghi, Ava (10)
|
ADCPP |
1:30.11 |
1:40.50 |
10.39 |
|
Buchakjian, Lola R (9)
|
ADCPP |
|
DQ |
- |
|
Huang, Xiangyi (10)
|
ADCPP |
|
DQ |
- |
|
Halpin, Ella P (9)
|
ADCPP |
1:18.29 |
NS |
- |