| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Bacon, Marina S (11)
|
MRRED |
3:09.09 |
3:02.43 |
-6.66 |
| 1 |
Singh, Cristina P (12)
|
MRLIE |
3:13.48 |
3:07.02 |
-6.46 |
| 1 |
Zacarias, Samantha (11)
|
MRLIAC |
3:14.00 |
3:14.12 |
0.12 |
| 2 |
Andrew, Fiona J (11)
|
MRFA |
3:19.09 |
3:15.29 |
-3.80 |
| 3 |
Barnard, Victoria R (12)
|
MRLIE |
3:20.07 |
3:15.37 |
-4.70 |
| 4 |
Demirci, Morgan (11)
|
MRHAA |
3:17.96 |
3:15.47 |
-2.49 |
| 5 |
Fiore, Gabriella R (11)
|
MRSSC |
3:26.52 |
3:15.60 |
-10.92 |
| 6 |
Rietmann, Morgan J (12)
|
MRSSC |
3:21.45 |
3:16.70 |
-4.75 |
| 7 |
Steiner, Cassidy A (11)
|
MRLIE |
3:25.83 |
3:19.85 |
-5.98 |
| 8 |
Levine, Paige H (12)
|
MRSSC |
3:29.98 |
3:21.16 |
-8.82 |
| 9 |
Rosario, Michelle D (11)
|
MRRED |
3:30.09 |
3:21.39 |
-8.70 |
| 10 |
Simon, Alexandra (11)
|
MRHAA |
3:22.36 |
3:22.37 |
0.01 |
| 11 |
Van Nostrand, Waela M (11)
|
MRTVSC |
3:44.69 |
3:23.53 |
-21.16 |
| 12 |
Corrigan, Ava N (12)
|
MRSSC |
3:32.67 |
3:23.72 |
-8.95 |
| 13 |
Somma, Isabella (12)
|
MRLIAC |
3:22.48 |
3:25.38 |
2.90 |
| 14 |
Simon, Paige (11)
|
MRHAA |
3:26.83 |
3:28.46 |
1.63 |
| 15 |
Bonagura, Isabella B (12)
|
MRLIE |
3:37.72 |
3:32.30 |
-5.42 |