| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Venslauskas, Ignas (12)
|
ILRA |
2:46.63 |
2:36.54 |
-10.09 |
| 2 |
Hampton, Timothy R (12)
|
INLCB |
3:22.65 |
2:50.28 |
-32.37 |
| 2 |
Kubota, Souya (11)
|
ILLWSA |
3:00.67 |
2:50.28 |
-10.39 |
| 4 |
Torres, Aidan E (12)
|
ILFVFY |
3:24.16 |
2:55.90 |
-28.26 |
| 5 |
Mosley, Cameron K (12)
|
INLCB |
3:21.61 |
2:58.96 |
-22.65 |
| 6 |
Liska, Tyler J (11)
|
ILFVFY |
3:18.20 |
3:00.10 |
-18.10 |
| 7 |
Mruk, Garrett S (11)
|
ILSCST |
3:44.36 |
3:03.76 |
-40.60 |
| 8 |
Pacheco, Dylan L (11)
|
INLCB |
3:33.06 |
3:08.58 |
-24.48 |
| 9 |
Walkington, Nathan J (11)
|
ILSCST |
|
3:08.89 |
- |
| 10 |
Billingsley, Benjamin K (11)
|
INLCB |
|
3:15.39 |
- |
| 11 |
Torri, Joshua D (11)
|
ILLWSA |
3:37.20 |
3:19.16 |
-18.04 |
| 12 |
Hoelle, Louis C (11)
|
ILLWSA |
|
3:27.16 |
- |
| 13 |
Hofsommer, Tyler D (11)
|
ILLWSA |
|
3:35.08 |
- |
| 14 |
Faxel, Griffin R (12)
|
ILLWSA |
4:11.94 |
3:42.30 |
-29.64 |
| 15 |
Medel, Ryan M (11)
|
ILLWSA |
|
3:49.47 |
- |
| 16 |
Donnellan, David M (11)
|
ILLWSA |
|
4:20.28 |
- |
|
Chiappetta, Max D (12)
|
ILRA |
|
DQ |
- |
|
Donnellan, Daniel J (11)
|
ILLWSA |
|
DQ |
- |