| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Martinovic, Nadja (14)
|
MRLGAC |
1:03.45 |
1:03.26 |
-0.19 |
| 2 |
Sacranie, Jaina A (13)
|
MRMAKO |
1:05.46 |
1:04.13 |
-1.33 |
| 3 |
Brydon, Maia (13)
|
MRRED |
1:03.65 |
1:04.67 |
1.02 |
| 4 |
Price, Jordin C (14)
|
MRRED |
1:06.85 |
1:06.57 |
-0.28 |
| 5 |
Grygorczuk, Julia (14)
|
MRLGAC |
1:07.15 |
1:07.88 |
0.73 |
| 6 |
Oliver, Avery (13)
|
MRMAKO |
1:08.18 |
1:08.30 |
0.12 |
| 7 |
Ketchatcham, Sarah C (13)
|
MRCAS |
1:06.37 |
1:10.77 |
4.40 |
| 8 |
Brandon, Satya (13)
|
MRMAKO |
1:13.18 |
1:11.99 |
-1.19 |
| 9 |
Martin, Taylor N (14)
|
MRKBM |
1:10.33 |
1:13.48 |
3.15 |
| 10 |
Rodriguez, Patricia A (14)
|
MRKBM |
1:10.91 |
1:14.35 |
3.44 |
| 11 |
Rodriguez, Sophia M (14)
|
MRRED |
1:15.28 |
1:15.92 |
0.64 |
| 12 |
Horn, Imogen (13)
|
MRMAKO |
1:14.63 |
1:18.05 |
3.42 |
| 13 |
Blake, Mauricia J (13)
|
MRAPEX |
1:13.29 |
1:19.04 |
5.75 |
| 14 |
Leonard, Kaicey L (13)
|
MRAPEX |
1:22.37 |
1:19.51 |
-2.86 |
| 15 |
DelValle, Bianca C (13)
|
MRRED |
1:14.09 |
1:20.86 |
6.77 |
| 16 |
Pineda, Nyah (14)
|
MRKBM |
1:20.45 |
1:20.92 |
0.47 |
| 17 |
Mahabir, Nia E (13)
|
MRHES |
1:23.81 |
1:22.84 |
-0.97 |
|
Worthy, Silvia V (14)
|
MRKBM |
1:30.62 |
DQ |
- |