| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Martin, Annabelle E (10)
|
NCRSA |
3:29.51 |
3:22.05 |
-7.46 |
| 2 |
Kwong, Laila S (9)
|
NCYOTA |
3:26.62 |
3:24.45 |
-2.17 |
| 3 |
Thomas, Eliza S (10)
|
NCMOR |
3:37.16 |
3:33.93 |
-3.23 |
| 4 |
Santiago Raimundi, Gabriella (10)
|
NCMOR |
3:41.71 |
3:37.93 |
-3.78 |
| 5 |
Mu, Iris Y (10)
|
NCYOTA |
3:55.09 |
3:42.68 |
-12.41 |
| 6 |
Cockman, Emma E (10)
|
NCYOTA |
3:45.00 |
3:47.32 |
2.32 |
| 7 |
Payton, Margaret C (10)
|
NCYOTA |
4:22.14 |
3:49.27 |
-32.87 |
| 8 |
Poole, Kaiya J (10)
|
NCMOR |
4:30.08 |
4:22.47 |
-7.61 |
| 9 |
Oberkirsch, Isabella J (10)
|
NCYOTA |
4:41.04 |
5:08.30 |
27.26 |
|
Winkle, Hazel G (10)
|
NCYOTA |
3:49.79 |
DQ |
- |