| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fox, Alexandra M (14)
|
MRCOND |
1:12.98 |
1:12.35 |
-0.63 |
| 2 |
Bao, Hanyu (14)
|
MRCOND |
1:12.73 |
1:13.44 |
0.71 |
| 3 |
Joyce, Mary I (14)
|
MRBGNW |
1:13.37 |
1:14.69 |
1.32 |
| 4 |
Schlereth, Madeline M (14)
|
MRCOND |
1:22.79 |
1:14.85 |
-7.94 |
| 5 |
Dwyer, Kayla M (14)
|
MRCOND |
1:12.86 |
1:14.91 |
2.05 |
| 6 |
Li, Yusi A (14)
|
MRBAD |
1:14.77 |
1:16.18 |
1.41 |
| 7 |
Skerritt, Katherine C (14)
|
MRHVD |
1:17.50 |
1:19.32 |
1.82 |
| 8 |
Urquiaga, Lily I (14)
|
MRCOND |
1:24.37 |
1:21.85 |
-2.52 |
| 9 |
Fridman, Anya M (14)
|
MRHVD |
|
1:23.59 |
- |
| 10 |
Morgan, Nella R (14)
|
MRHVD |
|
1:25.79 |
- |
| 11 |
Catrona, Kylie J (14)
|
MRCOND |
1:30.00 |
1:26.33 |
-3.67 |
| 12 |
Maad, Julia A (14)
|
MRRA |
1:33.66 |
1:31.66 |
-2.00 |
|
Figliola, Lucille W (14)
|
MRBGNW |
1:23.69 |
NS |
- |