| 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 |