| Q | IHSA Boys 2A Qualifying | 1:59.94 | 2A Qualifying | 
| Lane | Athlete | Team | Seed | Note | 
|---|---|---|---|---|
| 1 | TEUBER, Jameson | Woodstock (North) | 2:14.26 | |
| 2 | HEDIN, Noah | Rockford (Boylan Catholic | 2:15.13 | |
| 3 | SBAROUNIS, Robert | Woodstock (Marian) | 2:15.70 | |
| 4 | HANSEN, Carter | Woodstock (H.S.) | 2:16.66 | |
| 5 | HUTCHINSON, Andrew | Poplar Grove (North Boone | 2:17.16 | |
| 6 | GUZICK, Ben | Johnsburg | 2:17.64 | |
| 7 | ZEPEDA, Anthony | Woodstock (H.S.) | 2:18.70 | |
| 8 | MERCADO, Daniel | Harvard | 2:20.11 | |
| 9 | CONNER, Gavin | Johnsburg | 2:20.70 | |
| 10 | ESTRADA, Nathan | Woodstock (North) | 2:22.02 | |
| 11 | FEY, Tim | Rockford (Boylan Catholic | 2:24.54 | |
| 12 | FINKE, Gage | Woodstock (Marian) | 2:29.24 | |
| 13 | SANZ, Andre's | Poplar Grove (North Boone | 2:38.81 | 
| Lane | Athlete | Team | Seed | Note | 
|---|---|---|---|---|
| 1 | DEGROOT, Nick | Richmond (R.-Burton) | 1:58.62 | |
| 2 | KELLUM, John | Richmond (R.-Burton) | 1:59.52 | |
| 3 | MOHRDIECK, Nick | Vernon Hills | 1:59.93 | |
| 4 | RINKA, Richard | Arlington Heights (St. Vi | 2:03.93 | |
| 5 | TAYLOR, Jacob | Belvidere (H.S.) | 2:04.25 | |
| 6 | KOZIN, Jadon | Marengo | 2:07.70 | |
| 7 | LEONARD, Alex | Marengo | 2:08.27 | |
| 8 | CORNELIUS, Calvin | Belvidere (H.S.) | 2:09.02 | |
| 9 | GAYTON, Brandon | Mundelein (Carmel) | 2:09.24 | |
| 10 | DOLAND JR, Jason | Arlington Heights (St. Vi | 2:10.24 | |
| 11 | KIM, Sean | Vernon Hills | 2:10.74 | |
| 12 | SPEER, Alex | Mundelein (Carmel) | 2:12.24 | |
| 13 | STRICKER, Reid | Harvard | 2:12.41 |