| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mann, Michaela A (10)
|
FGUN-0 |
3:28.42 |
2:42.29 |
-46.13 |
| 2 |
Evans, Shelby O (9)
|
FGSOFL |
3:00.05 |
2:46.77 |
-13.28 |
| 3 |
Mirones, Lilliana M (9)
|
FGSUN |
3:03.37 |
2:52.08 |
-11.29 |
| 4 |
Greene, Sophia M (10)
|
FGCSSC |
3:28.21 |
2:56.81 |
-31.40 |
| 5 |
Rodriguez-Quevedo, Alexandra (10)
|
FGSFTL |
|
2:57.36 |
- |
| 6 |
Dromgoole, Madison G (10)
|
FGSFTL |
|
3:02.80 |
- |
| 7 |
Marin, Gabriela A (10)
|
FGSOFL |
3:07.70 |
3:06.78 |
-0.92 |
| 8 |
Cavalcanti, Juliana D (9)
|
FGUN-0 |
3:06.58 |
3:07.31 |
0.73 |
| 9 |
Landron, Elizabeth M (9)
|
FGSUN |
3:16.75 |
3:10.64 |
-6.11 |
| 10 |
Harding, Aveline (9)
|
FGCSSC |
|
3:16.24 |
- |
| 11 |
Reilly, Keira L (10)
|
FGCCPR |
3:34.98 |
3:20.88 |
-14.10 |
|
McCranie, Stella (9)
|
FGAZFL |
|
DNF |
- |