| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thompson, Charley J (10)
|
MRFREE |
1:16.77 |
1:12.57 |
-4.20 |
| 2 |
Greenberg, Ashlee N (10)
|
MRFREE |
1:15.74 |
1:13.61 |
-2.13 |
| 3 |
Khamutaeva, Tuiana (10)
|
MRMPNY |
1:10.36 |
1:14.67 |
4.31 |
| 4 |
Vater, Annabelle A (9)
|
MRBKR |
1:20.75 |
1:18.59 |
-2.16 |
| 5 |
Eckhaus, Jacqueline M (9)
|
MRFREE |
1:24.23 |
1:21.65 |
-2.58 |
| 6 |
Astrinsky, Netanela L (10)
|
MRBKR |
1:26.80 |
1:25.28 |
-1.52 |
| 7 |
Gross, Victoria R (10)
|
MRBKR |
1:35.92 |
1:32.82 |
-3.10 |
| 8 |
Foti, Fiorina K (10)
|
MRFREE |
1:35.76 |
1:33.19 |
-2.57 |
| 9 |
Reid, Laila A (9)
|
MRBKR |
1:33.70 |
1:34.87 |
1.17 |
| 10 |
Whelan, Nora M (9)
|
MRBKR |
1:38.32 |
1:35.48 |
-2.84 |
| 11 |
Johnston, Caitlin M (9)
|
MRBKR |
1:44.12 |
1:43.86 |
-0.26 |