| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Mertes, Luke M (14)
|
ILUN |
2:33.73 |
2:27.36 |
-6.37 |
| 2 |
Huebner, Austin C (16)
|
ILHHSC |
2:27.23 |
2:33.87 |
6.64 |
| 3 |
Patti, Riccardo (17)
|
ILHHSC |
|
2:34.50 |
- |
| 4 |
Jiao, Kevin Y (13)
|
ILDDST |
2:49.98 |
2:36.64 |
-13.34 |
| 5 |
Pfeiferling, Dane A (14)
|
ILSST |
2:39.25 |
2:36.78 |
-2.47 |
| 6 |
Mosley, Colton A (13)
|
ILDDST |
2:45.82 |
2:42.07 |
-3.75 |
| 7 |
Phan, Alex T (13)
|
ILFFSC |
2:43.97 |
2:43.19 |
-0.78 |
| 8 |
Malerk, Dillon T (13)
|
ILILVY |
2:38.25 |
2:44.12 |
5.87 |
| 9 |
Crowdson, Griffin A (14)
|
ILSPY |
2:42.46 |
2:45.71 |
3.25 |
| 10 |
Svob, Joshua A (12)
|
ILFFSC |
2:47.44 |
2:48.95 |
1.51 |
| 11 |
Moulton, Fletcher K (13)
|
ILSPY |
2:44.77 |
2:49.39 |
4.62 |
| 12 |
Yuan, Nathan Y (13)
|
ILSPY |
2:56.97 |
2:54.00 |
-2.97 |
| 13 |
Bandy, Alek H (13)
|
ILHHSC |
2:51.73 |
2:54.04 |
2.31 |
| 14 |
Wetherill, Mitchell G (13)
|
ILDDST |
2:57.82 |
2:56.28 |
-1.54 |
| 15 |
Voelker, Hayden D (17)
|
ILHHSC |
|
3:02.34 |
- |
| 16 |
Mahoney, Jack S (12)
|
ILDDST |
3:00.99 |
3:03.92 |
2.93 |
| 17 |
Wellenreiter, Clayton J (14)
|
ILILVY |
|
3:08.70 |
- |
| 18 |
Westbrook, Brett P (13)
|
ILSPY |
3:10.98 |
3:11.35 |
0.37 |
| 19 |
Vinzant, Jackson H (11)
|
ILBASC |
|
3:46.49 |
- |
| 20 |
Halley, Blaine S (13)
|
ILOCS |
4:01.89 |
3:58.09 |
-3.80 |
|
Church, Noah A (15)
|
ILHHSC |
3:03.67 |
NS |
- |