| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | JANOWICK, Josh | FR | West Chicago (H.S.) | NT | 
| 2 | LOSACCO, Corey | JR | West Chicago (H.S.) | NT | 
| 3 | GIBBS, Akil'adel | SO | Streamwood | NT | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | LUNA, Francisco | SO | Streamwood | 1:09.14 | 
| 2 | HEARD, Isaiah | JR | Chicago (Mt. Carmel) | 1:01.77 | 
| 3 | MILLAN, Jorge | JR | Carol Stream (Glenbard North) | 1:01.84 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | LUPA, Daniel | FR | Addison (A. Trail) | 59.04 | 
| 2 | JOHNSON, Mikaylius | SR | DeKalb | 58.00 | 
| 3 | HOWARD, Marquan | JR | DeKalb | 58.00 | 
| 4 | RADZISZEWSKI, Filip | JR | Carol Stream (Glenbard North) | 1:01.34 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | RINCON, Hugo | SO | Chicago (Mt. Carmel) | 56.08 | 
| 2 | RODRIGUES, Noah | SR | Wilmette (Loyola Academy) | 55.40 | 
| 3 | WOOD PRINCE, Harry | SR | Wilmette (Loyola Academy) | 55.60 | 
| 4 | TACI, John | SR | Addison (A. Trail) | 56.77 |