| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chong, Vanessa (14)
|
MRLGAC |
55.34 |
56.39 |
1.05 |
| 2 |
Youssef, Lara S (15)
|
MRLGAC |
57.96 |
57.49 |
-0.47 |
| 3 |
Liew, Briana J (15)
|
MRQNS |
1:02.97 |
1:00.97 |
-2.00 |
| 4 |
Zhang, Crystal (17)
|
MRLGAC |
58.43 |
1:03.13 |
4.70 |
| 5 |
Montgomery, Bridget M (16)
|
MRQNS |
1:03.30 |
1:03.20 |
-0.10 |
| 6 |
Bouzarouata, Jasmin C (17)
|
MRLGAC |
1:00.10 |
1:03.83 |
3.73 |
| 7 |
Nichols, Mary H (16)
|
MRRA |
1:01.10 |
1:05.76 |
4.66 |
| 8 |
Schwab, Carly (15)
|
MRRA |
1:05.98 |
1:06.79 |
0.81 |
| 9 |
O'Hara, Victoria N (17)
|
MRQNS |
1:05.43 |
1:06.93 |
1.50 |
| 10 |
Pence, Emily A (16)
|
MRRA |
1:07.17 |
1:08.11 |
0.94 |
| 11 |
Flores, Kristen (16)
|
MRFLY |
1:10.21 |
1:10.75 |
0.54 |
| 12 |
Cheung, Kate E (17)
|
MRFLY |
1:10.10 |
1:13.44 |
3.34 |
| 13 |
Wu, Samantha (15)
|
MRFLY |
|
1:20.59 |
- |
|
Spencer, Hannah (16)
|
MRHYB |
1:06.09 |
NS |
- |