| SQ | 4A IESA 8th Grade | 49.24 | 
| Lane | Team | Squad | Seed | Note | 
|---|---|---|---|---|
| 2 | West | A | 53.80 | |
| 3 | Flinn | A | 53.10 | |
| 4 | Challand | A | 53.29 | |
| 5 | Harvard | A | 54.20 | 
| Lane | Team | Squad | Seed | Note | 
|---|---|---|---|---|
| 1 | Roscoe | A | 52.21 | |
| 2 | Eisenhower | A | 52.00 | |
| 3 | Belvidere South | A | 49.80 | |
| 4 | Belvidere Central | A | DQ | |
| 5 | Freeport | A | 52.07 | |
| 6 | Harlem | A | 52.85 |