| REC | Plainfield South Fieldhouse Records | 1:56.54 | Lorenz | Waubonsie Valley | 2009 | 
| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 1 | DeRose, Zachary | SR | Plainfield (South) | 2:18.80 | |
| 2 | Tong, Raymond | JR | Naperville (Central) | 2:20.00 | |
| 3 | Fountain, Malik | JR | Richton Park (Southland College Prep) | 2:20.00 | |
| 4 | Hunter, Quaron Amir | JR | Richton Park (Southland College Prep) | 2:24.09 | |
| 5 | Kuhn, Justin | JR | Plainfield (South) | 2:25.00 | |
| 6 | Bell, Michael | JR | Olympia Fields (Rich Central) | 2:29.20 | |
| 7 | White, Rodney | JR | Richton Park (Southland College Prep) | 2:30.00 | 
| Lane | Athlete | Yr. | Team | Seed | Note | 
|---|---|---|---|---|---|
| 1 | Deuschle, Andrew | SR | Lemont | 2:03.12 | |
| 2 | Kania, Nick | SO | Lemont | 2:06.12 | |
| 3 | Cabanski, Cory | SR | Lemont | 2:12.12 | |
| 4 | Lathrop, Will | SR | Plainfield (South) | 2:13.60 | |
| 5 | Zhao, Kyle | JR | Naperville (Central) | 2:15.20 | |
| 6 | Li, Sean | JR | Naperville (Central) | 2:15.20 | |
| 7 | Sherman, Daniel | JR | Naperville (Central) | 2:15.20 | |
| 8 | Bailey, Luke | JR | Lemont | 2:15.23 |