| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Elliott, Kimoni (10)
|
FGFLA |
|
1:25.50 |
- |
| 2 |
Nunez-Estrada, Estefania (10)
|
UNAT |
|
1:27.04 |
- |
| 3 |
Ospina, Ana S (9)
|
UNAT |
|
1:29.64 |
- |
| 4 |
Montesino, Carlotta G (9)
|
FGRANS |
1:32.76 |
1:32.93 |
0.17 |
| 5 |
Goron, Sasha C (9)
|
FGCANE |
1:36.35 |
1:36.06 |
-0.29 |
| 6 |
Lopez, Isabella M (10)
|
FGCANE |
1:35.06 |
1:36.36 |
1.30 |
| 7 |
Montalvo, Bianca (9)
|
FGCANE |
1:40.40 |
1:39.56 |
-0.84 |
| 8 |
Montalvo, Emma (9)
|
FGCANE |
1:40.90 |
1:41.02 |
0.12 |
| 9 |
Cimring, Gabriella J (10)
|
FGCANE |
|
1:41.68 |
- |
| 10 |
Enriquez, Victoria (10)
|
FGCANE |
1:42.19 |
1:41.84 |
-0.35 |
| 11 |
Ninova, Francesca N (10)
|
FGCANE |
1:38.43 |
1:42.18 |
3.75 |
| 12 |
Estrada, Victoria . (10)
|
FGCANE |
1:40.09 |
1:44.15 |
4.06 |
| 13 |
Estrada, Valentina . (9)
|
FGCANE |
1:45.28 |
1:46.26 |
0.98 |
| 14 |
Baland, Clea M (10)
|
FGCANE |
1:47.23 |
1:47.87 |
0.64 |
| 15 |
Sheppard, Madeline E (10)
|
FGAJSC |
1:43.51 |
1:48.28 |
4.77 |
|
Costanza, Isabella M (10)
|
FGSWAT |
|
DQ |
- |