| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Braun, Julia L (13)
|
ADNTS |
58.95 |
59.15 |
0.20 |
| 2 |
Wultsch-Fuller, Sonja E (13)
|
ADNTS |
59.35 |
59.37 |
0.02 |
| 3 |
McCarthy, Ella I (13)
|
ADNHA |
59.99 |
1:00.15 |
0.16 |
| 4 |
Rio, Willa K (13)
|
ADNHA |
1:07.13 |
1:05.76 |
-1.37 |
| 5 |
Camarda, Avery H (14)
|
ADBENN |
1:09.32 |
1:07.76 |
-1.56 |
| 6 |
Fernandez-Turo, Rocio A (13)
|
ADNHA |
1:10.22 |
1:09.48 |
-0.74 |
| 7 |
White, Nicole E (14)
|
ADNTS |
1:03.04 |
1:10.63 |
7.59 |
| 8 |
Cohen, Evyn B (14)
|
ADNHA |
|
1:12.46 |
- |
| 9 |
Melnikova, Alexandra (13)
|
ADNTS |
1:25.73 |
1:19.33 |
-6.40 |
| 10 |
Grant, Adeline K (13)
|
ADNHA |
|
1:20.73 |
- |
| 11 |
Budhu, Sonia M (13)
|
ADNHA |
1:32.72 |
1:23.76 |
-8.96 |
| 12 |
Gioppo, Abigail M (13)
|
ADNHA |
1:30.54 |
1:29.42 |
-1.12 |