| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zhu, Ethan (13)
|
ILNEPT |
|
3:06.39 |
- |
| 2 |
Anguelov, Emanuel P (14)
|
ILNEPT |
|
3:09.00 |
- |
| 3 |
Cheng, Jonathan (14)
|
ILCWAC |
3:23.36 |
3:09.77 |
-13.59 |
| 4 |
Spellers, John B (13)
|
ILCWAC |
3:06.65 |
3:11.77 |
5.12 |
| 5 |
Diorio, Syx C (13)
|
INHHSC |
3:15.15 |
3:14.74 |
-0.41 |
| 6 |
Filipov, Velizar I (13)
|
ILNEPT |
|
3:17.92 |
- |
| 7 |
Gubbins, Aidan J (14)
|
INCPSC |
3:17.55 |
3:20.38 |
2.83 |
| 8 |
Lapys, Augustas (14)
|
ILNEPT |
|
3:20.85 |
- |
| 9 |
Chen, Eric (14)
|
ILCWAC |
3:15.74 |
3:21.23 |
5.49 |
| 10 |
Treanor, Owen M (13)
|
ILWCS |
|
3:21.64 |
- |
| 11 |
Kiesewetter, James J (13)
|
ILCWAC |
|
3:22.15 |
- |
| 12 |
Ferguson, Dalton B (13)
|
ILCWAC |
|
3:22.28 |
- |
| 13 |
Gubbins, Liam F (14)
|
INCPSC |
|
3:22.55 |
- |
| 14 |
Morse, Holden M (13)
|
INCPSC |
|
3:23.30 |
- |
| 15 |
Sanchez, Nicolas S (14)
|
INHHSC |
3:27.90 |
3:23.80 |
-4.10 |
| 16 |
Gabel, Shane T (14)
|
ILLWSA |
|
3:31.11 |
- |
| 17 |
McCarthy, Alexander J (14)
|
ILLWSA |
|
3:52.84 |
- |
| 18 |
Lambert, Tyler J (13)
|
ILLWSA |
|
3:58.21 |
- |
|
Mroz, John J (13)
|
ILLWSA |
|
DQ |
- |
|
Tarin, William A (14)
|
INCPSC |
|
NS |
- |