| Lane | Athlete | Team | Seed | 
|---|---|---|---|
| 1 | MEZA, Brian | Chicago (Schurz) | NT | 
| 2 | MUCIC, Marin | Skokie (Niles West) | NT | 
| 3 | NGUYEN, Son | Chicago (Taft) | NT | 
| 4 | NITOI, Dane | Skokie (Niles North) | NT | 
| 5 | NOBRIGA, Ryan | Chicago (Taft) | NT | 
| 6 | OLGUIN, Hazael | Chicago (Schurz) | NT | 
| 7 | POWERS, Evan | Chicago (Taft) | NT | 
| 8 | SHIREY, James | Chicago (Northside) | NT | 
| 9 | VILCHEZ, Alejandro | Chicago (Schurz) | NT | 
| 10 | ZERVOS, Nick | Skokie (Niles West) | NT | 
| Lane | Athlete | Team | Seed | 
|---|---|---|---|
| 1 | GIWA, Zahir | Chicago (Lincoln Park) | 1:16.00 | 
| 2 | NAUMAN, Max | Skokie (Niles West) | 1:34.00 | 
| 3 | ABEDOWALE, Toni | Skokie (Niles North) | NT | 
| 4 | ALONSO, Daniel | Chicago (Taft) | NT | 
| 5 | ANDRY, Armand | Chicago (Lincoln Park) | NT | 
| 6 | AVILA, Alexander | Chicago (Schurz) | NT | 
| 7 | BLAIR, Julian | Chicago (Lincoln Park) | NT | 
| 8 | BRUSSTAR, Samuel | Chicago (Northside) | NT | 
| 9 | DELAWARE-STANTON, Nicholas | Chicago (Lincoln Park) | NT | 
| 10 | GALVAN, Marvin | Skokie (Niles North) | NT | 
| 11 | LIND, Jacob | Chicago (Taft) | NT |