| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | ENCZUR, Tyler | JR | Yorkville (H.S.) | NT | 
| 2 | ABRAMS, Caleb | JR | Richton Park (Rich Township) | NT | 
| 3 | PUGH, Josh | JR | Yorkville (H.S.) | NT | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | VALLADARES RIVERA, Kevin | JR | Bartlett | 1:05.31 | 
| 2 | MARTINEZ, Arturo | SO | Bartlett | 1:00.86 | 
| 3 | KADIYALA, Dylan | JR | Naperville (Central) | 1:01.00 | 
| 4 | FOLLIARD, Connor | SO | Plainfield (South) | 59.00 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | RICHEY, Bradley | SR | Bartlett | 59.94 | 
| 2 | VILCEK, Alex | JR | Plainfield (South) | 59.47 | 
| 3 | PARKER, Mark | SR | Richton Park (Rich Township) | 59.49 | 
| 4 | FORD, Lamar | JR | Richton Park (Rich Township) | 1:00.51 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | COMER, Chris | SR | Naperville (Central) | 58.90 | 
| 2 | ANDERSON, Zach | JR | Plainfield (South) | 54.61 | 
| 3 | RHODES, Andrew | SR | Naperville (Central) | 55.05 | 
| 4 | LANE, Robert | JR | Richton Park (Southland College Prep) | 59.00 | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | TAKAHASHI, Owen | JR | Lisle (Benet Academy) | 54.20 | 
| 2 | KING, Gabriel | SR | Plainfield (South) | 53.08 | 
| 3 | HUANG, Jason | SR | Lisle (Benet Academy) | 54.10 | 
| 4 | SCHNEID, Carson | SR | Lisle (Benet Academy) | 54.37 |