| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Townsend, Rachel A (14)
|
MRBGNW |
1:10.37 |
1:12.32 |
1.95 |
| 2 |
Kleinsmith, Margaret T (13)
|
MRBGNW |
1:08.18 |
1:15.03 |
6.85 |
| 3 |
Garofolo, Juliette M (14)
|
MRBGNW |
1:11.15 |
1:16.82 |
5.67 |
| 4 |
Dubin, Karen E (14)
|
MRBGNW |
1:13.75 |
1:21.63 |
7.88 |
| 5 |
Sanchez, Samantha M (13)
|
MRUN-B |
1:20.21 |
1:26.14 |
5.93 |
| 6 |
San Martin, Emma S (14)
|
MRSPAR |
1:24.68 |
1:26.75 |
2.07 |
| 7 |
Brew, Margaret C (13)
|
MRYMID |
1:26.07 |
1:28.21 |
2.14 |
| 8 |
Chan, Rachel H (13)
|
MRYMID |
1:23.81 |
1:29.26 |
5.45 |
| 9 |
Tassio, Tara J (13)
|
MRSPAR |
1:32.03 |
1:29.41 |
-2.62 |
| 10 |
Reyna, Margaux (13)
|
MRYMID |
1:40.53 |
1:32.34 |
-8.19 |
| 11 |
Koestler, Aimee J (14)
|
MRBGNW |
1:34.85 |
1:37.05 |
2.20 |
| 12 |
Singhal, Mihika (13)
|
MRSPAR |
1:42.41 |
1:41.71 |
-0.70 |
| 13 |
Daniel, Alexis (13)
|
MRYMID |
1:46.77 |
1:47.30 |
0.53 |