| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wolfort, Madison J (14)
|
ADALBS |
54.37 |
56.05 |
1.68 |
| 2 |
Wultsch-Fuller, Sonja E (14)
|
ADNTS |
1:03.57 |
58.41 |
-5.16 |
| 3 |
Cho, Anna Y (14)
|
ADALBS |
1:00.90 |
1:01.39 |
0.49 |
| 5 |
Adams, Maddie C (14)
|
ADALBS |
1:05.19 |
1:03.06 |
-2.13 |
| 6 |
Racaza, Reyna S (15)
|
ADSCHE |
1:00.25 |
1:03.60 |
3.35 |
| 7 |
Antolick, Ellen R (15)
|
ADALBS |
1:02.26 |
1:04.15 |
1.89 |
| 8 |
Villaume, Emma F (15)
|
ADALBS |
1:03.16 |
1:08.00 |
4.84 |
| 9 |
Smoote-Keeler, Isabella C (15)
|
ADALBS |
1:07.86 |
1:08.07 |
0.21 |
| 10 |
Williams, Isabella R (14)
|
ADALBS |
1:12.22 |
1:11.52 |
-0.70 |
| 11 |
Antohe, Delia S (14)
|
ADALBS |
1:11.74 |
1:12.87 |
1.13 |
| 12 |
Wolfort, Macy J (14)
|
ADALBS |
1:16.10 |
1:16.84 |
0.74 |