| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lam, Makani (10)
|
MRLIAC |
1:13.10 |
1:12.08 |
-1.02 |
| 2 |
Harish, Nila (10)
|
MRLIAC |
1:16.09 |
1:12.14 |
-3.95 |
| 3 |
Dimaculangan, Annabel (10)
|
MRTVSC |
1:13.65 |
1:12.54 |
-1.11 |
| 4 |
Larsen, Sarah E (10)
|
MRLIAC |
1:13.55 |
1:12.61 |
-0.94 |
| 5 |
Chun, April S (10)
|
MRLIAC |
1:16.36 |
1:13.21 |
-3.15 |
| 6 |
Saidmuratov, Grace (10)
|
MRUN |
1:16.26 |
1:16.53 |
0.27 |
| 7 |
Schnappauf, Samantha G (10)
|
MRLIAC |
1:19.39 |
1:16.76 |
-2.63 |
| 8 |
Barr, Fiona P (10)
|
MRBAD |
1:16.12 |
1:18.86 |
2.74 |
| 9 |
Retzlaff, Claudia L (9)
|
MRTVSC |
1:18.81 |
1:20.73 |
1.92 |
| 10 |
McDonald, Mary J (10)
|
MRLIAC |
1:32.09 |
1:22.82 |
-9.27 |
| 11 |
Chen, Mingxin (10)
|
MRLIAC |
1:30.99 |
1:23.25 |
-7.74 |
| 12 |
Wang, Julia S (10)
|
MRLIAC |
1:25.70 |
1:24.69 |
-1.01 |
| 13 |
Chen, Amy (10)
|
MRTVSC |
1:28.03 |
1:26.27 |
-1.76 |
| 14 |
Vinciguerra, Jacqueline X (9)
|
MRTVSC |
1:22.55 |
1:29.70 |
7.15 |
| 15 |
Nolasco, Isabela (10)
|
MRLIAC |
1:31.99 |
1:30.09 |
-1.90 |
| 16 |
Lee, Cherry (9)
|
MRLIAC |
1:38.10 |
1:31.26 |
-6.84 |
| 16 |
Vavalle, Giuliana R (9)
|
MRTVSC |
1:34.90 |
1:31.26 |
-3.64 |
| 18 |
Frucchione, Emily A (10)
|
MRLIAC |
1:40.00 |
1:37.93 |
-2.07 |
|
Reiser, Amanda D (10)
|
MRLIAC |
1:41.05 |
DQ |
- |