| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gerosa, Nicole C (12)
|
MRBGNW |
3:14.80 |
3:08.63 |
-6.17 |
| 2 |
Dennis, Kailee A (12)
|
MRCOND |
3:09.73 |
3:08.65 |
-1.08 |
| 3 |
Naughton, Kiera H (12)
|
MRCOND |
3:16.87 |
3:16.46 |
-0.41 |
| 4 |
Dixon, Matilyn D (12)
|
MRCOND |
3:30.87 |
3:21.72 |
-9.15 |
| 5 |
Vitti, Kate L (11)
|
MRBGNW |
3:25.60 |
3:23.98 |
-1.62 |
| 6 |
Joyce, Margaret K (12)
|
MRSMC |
3:29.26 |
3:26.42 |
-2.84 |
| 7 |
Bradley, Addison O (11)
|
MRLBA |
3:18.77 |
3:26.83 |
8.06 |
| 8 |
Richman, Emma K (12)
|
MRSMC |
|
3:29.73 |
- |
| 9 |
O'Neill, Jade R (11)
|
MRCOND |
3:35.00 |
3:29.92 |
-5.08 |
| 10 |
Guglielmo, Ava S (12)
|
MRLBA |
|
3:31.08 |
- |
| 11 |
Sohng, Ella M (12)
|
MRSMC |
3:50.99 |
3:34.21 |
-16.78 |
| 12 |
Kamiyama, Naomi (12)
|
MRCOND |
3:38.44 |
3:37.86 |
-0.58 |
| 13 |
Londono Arias, Laura (12)
|
MRCOND |
3:35.00 |
3:45.83 |
10.83 |
| 14 |
Olszewski, Claudia (11)
|
MRCOND |
4:20.00 |
4:00.54 |
-19.46 |
| 15 |
Olszewski, Patricia L (11)
|
MRCOND |
4:20.00 |
4:11.24 |
-8.76 |