| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ross Allen, Zoe F (10)
|
MRAGUA |
3:14.40 |
2:48.41 |
-25.99 |
| 2 |
Messinger-Nanni, Julia * (10)
|
MRAGUA |
3:17.01 |
2:53.61 |
-23.40 |
| 3 |
Chaploutsky, Polina (10)
|
MRAQRC |
3:05.09 |
3:06.71 |
1.62 |
| 4 |
Rubin, Sally M (10)
|
MRCOND |
3:18.27 |
3:08.30 |
-9.97 |
| 5 |
Zhang, Suri (10)
|
MRFREE |
3:39.99 |
3:10.74 |
-29.25 |
| 6 |
Curinnaia, Elena (9)
|
MRMPNY |
3:09.55 |
3:13.25 |
3.70 |
| 7 |
Marsh, Bethany J (10)
|
NEBGSC |
3:34.78 |
3:14.32 |
-20.46 |
| 8 |
Place, Katherine M (10)
|
MRCOND |
3:35.35 |
3:20.27 |
-15.08 |
| 9 |
Atkins, Sophia A (10)
|
MRCOND |
3:39.09 |
3:47.91 |
8.82 |
| 10 |
Pomeroy, Catherine E (10)
|
MRCOND |
3:34.68 |
3:48.08 |
13.40 |
|
Kim, Olivia (9)
|
MRAQRC |
3:36.49 |
DQ |
- |
|
Winters, Paige E (9)
|
MRFREE |
|
DQ |
- |