| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cruz, Irina A (10)
|
PVSA |
1:35.81 |
1:34.65 |
-1.16 |
| 2 |
Cartagena, Ila F (9)
|
PVSA |
1:35.73 |
1:35.98 |
0.25 |
| 3 |
Jin, Joanna Y (10)
|
PVSA |
|
1:38.33 |
- |
| 4 |
Liu, Kaia M (9)
|
PVNCAP |
|
1:41.54 |
- |
| 5 |
Herrera, Lucia E (9)
|
PVPAC |
1:45.75 |
1:43.99 |
-1.76 |
| 6 |
Jenkins, Reese L (10)
|
PVSA |
1:45.97 |
1:44.36 |
-1.61 |
| 7 |
Webb, Magnolia B (9)
|
PVPAC |
1:48.00 |
1:44.87 |
-3.13 |
| 8 |
Schojan, Josephine S (10)
|
PVDCPR |
1:50.02 |
1:51.59 |
1.57 |
| 9 |
Navarro, Clementine E (9)
|
PVDCPR |
|
1:54.66 |
- |
| 10 |
Fertakis-Perkins, Norma (10)
|
PVDCPR |
|
1:56.22 |
- |
| 11 |
Gilliland, Mary L (10)
|
PVDCPR |
|
1:57.01 |
- |
| 12 |
Ocampos, Wren A (10)
|
PVSA |
2:08.83 |
2:05.61 |
-3.22 |
|
Chiovenda, Aurelia G (9)
|
PVDCPR |
|
DQ |
- |
|
Joselow, Eloise M (10)
|
PVDCPR |
1:34.11 |
DQ |
- |
|
Burke-Chinarro, Isabel (10)
|
PVDCPR |
1:57.51 |
NS |
- |