| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Frey, Dolores S (12)
|
MREAST |
56.77 |
59.82 |
3.05 |
| 2 |
Reis, Sophie M (11)
|
MREAST |
57.02 |
59.83 |
2.81 |
| 3 |
Cabello, Mackenzie E (12)
|
MREAST |
1:02.66 |
1:01.47 |
-1.19 |
| 3 |
Cioffi, Fiamma (12)
|
MREAST |
1:01.96 |
1:01.47 |
-0.49 |
| 5 |
Iacobazzi, Alba (12)
|
MREAST |
1:04.43 |
1:03.48 |
-0.95 |
| 6 |
Chen, Heidi Y (11)
|
MREAST |
1:05.02 |
1:04.00 |
-1.02 |
| 7 |
Harris, Isla K (12)
|
MREAST |
1:06.23 |
1:04.78 |
-1.45 |
| 8 |
Brenner, Alexandra R (12)
|
MREAST |
1:06.38 |
1:05.54 |
-0.84 |
| 9 |
Javer, Samara L (10)
|
MREAST |
1:09.99 |
1:07.28 |
-2.71 |
| 10 |
McBreen, Carolyn A (12)
|
MREAST |
1:09.11 |
1:09.83 |
0.72 |
| 11 |
Hogue, Beatrice A (10)
|
MREAST |
1:16.50 |
1:10.59 |
-5.91 |
| 12 |
McDonald, Isabel C (11)
|
MREAST |
1:16.00 |
1:13.09 |
-2.91 |
| 13 |
Rolston, Viviana Q (11)
|
MREAST |
1:13.30 |
1:14.34 |
1.04 |
| 14 |
Zullo, Francesca I (12)
|
CTZEUS |
1:21.22 |
1:14.64 |
-6.58 |
| 15 |
Corvalan, Zoe A (10)
|
MREAST |
1:19.43 |
1:16.47 |
-2.96 |
| 16 |
Sood, Raena (10)
|
MREAST |
1:32.00 |
1:20.70 |
-11.30 |
| 17 |
Sood, Kimaya K (12)
|
MREAST |
1:30.00 |
1:22.32 |
-7.68 |
| 18 |
Bochynska, Matylda (10)
|
MREAST |
1:37.22 |
1:22.44 |
-14.78 |
| 19 |
Yapkowitz, Emma B (10)
|
MREAST |
1:26.30 |
1:24.24 |
-2.06 |
| 20 |
Eterovic, Dalia M (10)
|
MREAST |
1:26.24 |
1:24.31 |
-1.93 |
| 21 |
Quezada, Ashley D (11)
|
CTZEUS |
1:22.94 |
1:25.05 |
2.11 |
| 22 |
Campanelli, Violet M (10)
|
MREAST |
1:28.81 |
1:25.39 |
-3.42 |
| 23 |
Sweeney, Estelle M (10)
|
CTZEUS |
|
1:27.70 |
- |
| 24 |
Chang, Barbara A (10)
|
MREAST |
|
1:28.14 |
- |
| 25 |
Krogsgaard, Astrid G (10)
|
MREAST |
1:31.19 |
1:31.08 |
-0.11 |
| 26 |
Krogsgaard, Linnea A (10)
|
MREAST |
1:30.37 |
1:31.72 |
1.35 |
| 27 |
Barowsky, Mischa E (10)
|
MREAST |
1:36.57 |
1:34.63 |
-1.94 |
| 28 |
Bates, Pilar P (10)
|
MREAST |
|
1:37.75 |
- |