| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pastushan, Alex L (17)
|
CTNCY |
58.00 |
1:02.10 |
4.10 |
| 2 |
Xia, Elizabeth (16)
|
CTUN |
59.97 |
1:03.17 |
3.20 |
| 3 |
Mascarinas, Skylar E (16)
|
CTNCY |
1:02.83 |
1:05.14 |
2.31 |
| 4 |
Peloso, Emma L (14)
|
CTNCY |
59.99 |
1:05.20 |
5.21 |
| 5 |
El Hattab, Nermine A (16)
|
CTNCY |
1:02.67 |
1:05.25 |
2.58 |
| 6 |
Cheung, Emma B (15)
|
CTNCY |
1:02.58 |
1:05.47 |
2.89 |
| 7 |
Haley, Samantha M (14)
|
CTNCY |
1:04.71 |
1:05.65 |
0.94 |
| 8 |
Carrillo, Alexa A (17)
|
CTNCY |
1:05.78 |
1:06.87 |
1.09 |
| 9 |
Dunn, Lily M (14)
|
CTNCY |
1:04.71 |
1:08.81 |
4.10 |
| 10 |
Williams, Emma A (14)
|
CTNCY |
1:08.25 |
1:12.96 |
4.71 |
| 11 |
Johansson, Eve P (16)
|
CTNCY |
1:22.49 |
1:13.35 |
-9.14 |
| 12 |
Lee, Skylar A (15)
|
CTNCY |
1:14.79 |
1:13.60 |
-1.19 |
| 13 |
Jisl, Katarina P (16)
|
CTNCY |
1:16.59 |
1:18.98 |
2.39 |