| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Flouras, Anastasia (9)
|
MRQNS |
1:32.36 |
1:21.77 |
-10.59 |
| 2 |
Chen, Vivien E (9)
|
MRRA |
1:26.40 |
1:24.93 |
-1.47 |
| 3 |
Tenkman, Claire C (10)
|
MRHYB |
1:26.10 |
1:25.94 |
-0.16 |
| 4 |
Minchala, Emily D (9)
|
MRFLY |
1:28.43 |
1:26.33 |
-2.10 |
| 5 |
Han, Marianne H (10)
|
MRFLY |
1:26.94 |
1:28.34 |
1.40 |
| 6 |
O'Sullivan, Brinan K (9)
|
MRUN |
1:41.00 |
1:30.47 |
-10.53 |
| 7 |
Dugarte, Andrea P (9)
|
MRLGAC |
|
1:35.34 |
- |
| 8 |
Alexander, Ayla S (9)
|
MRLGAC |
1:43.74 |
1:37.03 |
-6.71 |
| 9 |
Buzaid, Catherine E (9)
|
MRRA |
1:41.30 |
1:38.23 |
-3.07 |
| 10 |
Pattanakul, Lena (9)
|
MRQNS |
1:46.07 |
1:39.12 |
-6.95 |
| 11 |
Murphy, Emma (10)
|
MRHYB |
|
1:43.49 |
- |
| 12 |
Jones- Cimini, Margaret (9)
|
MRRED |
1:49.65 |
1:46.06 |
-3.59 |
|
Rojas, Maria V (9)
|
MRRED |
2:15.09 |
DQ |
- |
|
Rodriguez Andersen, Josefine (9)
|
MRLGAC |
|
DQ |
- |