| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lamberton, Jane F (12)
|
MREAST |
1:04.53 |
1:03.95 |
-0.58 |
| 2 |
Langerfeld, Julia A (11)
|
MREAST |
1:05.76 |
1:04.08 |
-1.68 |
| 3 |
Chen, Heidi Y (11)
|
MREAST |
1:03.95 |
1:04.69 |
0.74 |
| 4 |
Brenner, Alexandra R (12)
|
MREAST |
1:05.54 |
1:06.90 |
1.36 |
| 5 |
Bentley, Elena M (10)
|
MREAST |
1:08.63 |
1:08.22 |
-0.41 |
| 6 |
Xie, Emily (10)
|
MREAST |
1:14.82 |
1:10.07 |
-4.75 |
| 7 |
Obyrne, Rory L (12)
|
MREAST |
1:10.35 |
1:11.03 |
0.68 |
| 8 |
McDonald, Isabel C (12)
|
MREAST |
1:13.09 |
1:11.36 |
-1.73 |
| 9 |
Corvalan, Zoe A (10)
|
MREAST |
1:16.47 |
1:16.00 |
-0.47 |
| 10 |
Sheldon, Stella A (12)
|
MREAST |
1:29.93 |
1:18.36 |
-11.57 |
| 11 |
Campanelli, Violet M (10)
|
MREAST |
1:22.45 |
1:22.67 |
0.22 |
| 12 |
Krogsgaard, Linnea A (10)
|
MREAST |
1:29.65 |
1:26.09 |
-3.56 |
| 13 |
Chang, Barbara A (10)
|
MREAST |
1:28.14 |
1:26.12 |
-2.02 |
| 14 |
Bochynska, Matylda (11)
|
MREAST |
1:22.44 |
1:26.72 |
4.28 |
| 15 |
Krogsgaard, Astrid G (10)
|
MREAST |
1:29.69 |
1:27.52 |
-2.17 |
| 16 |
Bates, Pilar P (10)
|
MREAST |
1:37.75 |
1:29.59 |
-8.16 |
| 17 |
Jensen, Remi M (10)
|
MRPAC |
1:40.75 |
1:37.53 |
-3.22 |
| 18 |
Djokovic-Farrugia, Lina M (10)
|
MREAST |
1:31.68 |
1:40.14 |
8.46 |
|
Hogue, Beatrice A (11)
|
MREAST |
1:09.22 |
NS |
- |
|
Shi, Chuqing (11)
|
MREAST |
2:00.97 |
NS |
- |