| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bender, Adeline E (11)
|
NJNJRC |
3:25.02 |
3:19.36 |
-5.66 |
| 2 |
Laracy, Brenna A (12)
|
NJMYM |
3:20.29 |
3:19.93 |
-0.36 |
| 3 |
Yang, Madeleine (11)
|
NJLIFE |
3:24.23 |
3:22.05 |
-2.18 |
| 4 |
Snono, Naya (12)
|
NJSCAR |
3:23.60 |
3:23.02 |
-0.58 |
| 5 |
Labonne, Kelly I (12)
|
NJMYM |
3:19.85 |
3:25.18 |
5.33 |
| 6 |
Tinapay, Alexa (12)
|
NJMYM |
3:27.05 |
3:26.82 |
-0.23 |
| 7 |
Andreeva, Inna M (11)
|
NJNJRC |
3:32.43 |
3:27.44 |
-4.99 |
| 8 |
Jones, Mika I (11)
|
NJNJRC |
3:38.12 |
3:28.98 |
-9.14 |
| 9 |
Kovacs, Alicia (12)
|
NJSCY |
3:29.92 |
3:29.15 |
-0.77 |
| 10 |
Lugo, Jaslene (12)
|
NJCBGC |
3:28.21 |
3:30.20 |
1.99 |
| 11 |
Wilson-Webb, Flora S (12)
|
NJSCAR |
3:32.00 |
3:33.75 |
1.75 |
| 12 |
Silver, Lola H (12)
|
NJSCAR |
3:28.17 |
3:39.63 |
11.46 |
| 13 |
Zhou, Allison Y (12)
|
NJSCAR |
3:34.51 |
3:40.35 |
5.84 |
| 14 |
Lembrich, Caroline C (12)
|
NJSCAR |
3:37.63 |
3:40.90 |
3.27 |
| 15 |
Woo, Calleigh A (12)
|
NJSCAR |
3:33.76 |
3:45.09 |
11.33 |
|
Santiago, Emilia H (11)
|
NJSCAR |
3:32.47 |
NS |
- |