| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | CUJI, Amiel | SR | Chicago (Amundsen) | NT | 
| 2 | FINDLEY, Juan | SO | Chicago (Lincoln Park) | NT | 
| 3 | JAIMAS, Benjamin | JR | Chicago (Senn) | NT | 
| 4 | MENDEZ, Geovanni | JR | Chicago (Taft) | NT | 
| 5 | PATEL, Atticus | JR | Chicago (Senn) | NT | 
| 6 | POWERS, Evan | SR | Chicago (Taft) | NT | 
| 7 | ROSENTHAL, Zachary | SR | Chicago (Lincoln Park) | NT | 
| 8 | SAUCEDO, Alex | SR | Chicago (Amundsen) | NT | 
| 9 | TOMASZKOWICZ, David | JR | Chicago (Taft) | NT | 
| Lane | Athlete | Yr. | Team | Seed | 
|---|---|---|---|---|
| 1 | DASSANI, Dev | JR | Chicago (Jones) | 1:33.50 | 
| 2 | MEDINA, Esteban | JR | Chicago (Jones) | 1:34.30 | 
| 3 | POLAK, Evan | JR | Skokie (Niles West) | 1:35.00 | 
| 4 | ANDRY, Armand | JR | Chicago (Lincoln Park) | 1:36.37 | 
| 5 | DELAWARE-STANTON, Nicholas | SR | Chicago (Lincoln Park) | 1:49.28 | 
| 6 | MUCIC, Marin | JR | Skokie (Niles West) | 1:49.49 | 
| 7 | BOZHKO, Oliver | JR | Chicago (Jones) | 1:54.30 | 
| 8 | ALONSO, Daniel | JR | Chicago (Taft) | 2:45.64 | 
| 9 | BENNETT, Avery | JR | Chicago (Payton) | NT |