| Lane |
Swimmer |
Team |
Place |
Time |
| 1 |
Alexis Lakey |
Rockville Montgomery Swim Club |
5 |
1:17.92 |
| 2 |
Victoria Hayes |
Rockville Montgomery Swim Club |
2 |
1:15.85 |
| 3 |
Erika Chen |
Rockville Montgomery Swim Club |
1 |
1:14.59 |
| 4 |
Amanda Liu |
Rockville Montgomery Swim Club |
4 |
1:16.53 |
| 5 |
Grace Burgett |
Rockville Montgomery Swim Club |
3 |
1:16.20 |
| 6 |
Lena Yu |
Rockville Montgomery Swim Club |
6 |
1:18.90 |
| 7 |
Holly Heaton |
Rockville Montgomery Swim Club |
8 |
1:19.92 |
| 8 |
Madeline Mara |
Rockville Montgomery Swim Club |
7 |
1:19.50 |