| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 2 | WOOD, Matthew | Evanston (Beacon Academy) | NT |
| 3 | SHROFF, Anjun | Chicago (Latin) | NT |
| 4 | FEIGELSON, Micah | Deerfield (Rochelle Zell) | NT |
| 5 | RUCKER, Seonn | Chicago (Noble/Rowe-Clark) | NT |
| 6 | SIMS, Thomas | Chicago (Leo) | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | OSTROM, Julian | Chicago (Wolcott) | 1:21.80 |
| 2 | FOURNESS, Liam | Chicago (Lycée Français de Chicago) | 1:17.10 |
| 3 | PEREZ, Alberto | Chicago (Horizon/McKinley) | 1:11.30 |
| 4 | COLEMAN, Christian | Winnetka (North Shore Country Day) | 1:07.00 |
| 5 | ALLEN, Maurice | Chicago (C. Math and Science Charter) | 1:08.90 |
| 6 | SALAS, Nathaniel | Chicago (Holy Trinity) | 1:11.90 |
| 7 | WADE, Caleb | Chicago (Providence St. Mel) | 1:19.10 |
| 8 | ESLING, Owen | Chicago (Wolcott) | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | HENOC, Ahman | Chicago (Lycée Français de Chicago) | 1:04.10 |
| 2 | BLOOMINGBURG, Taijuan | Chicago (Noble/Rowe-Clark) | 1:03.50 |
| 3 | BLASSVIE, Omri | Deerfield (Rochelle Zell) | 1:02.10 |
| 4 | MARTINEZ, Daniel | Chicago (Horizon/McKinley) | 1:01.00 |
| 5 | AVERY, Pharaoh | Chicago (Crane Medical Prep) | 1:01.60 |
| 6 | DIXON, Levi | Chicago (Orr) | 1:03.40 |
| 7 | HAMILTON, Jaden | Chicago (Holy Trinity) | 1:03.70 |
| 8 | LEWIS, Demaj | Chicago (Orr) | 1:04.70 |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | DUNLOP, David-Allen | Chicago (C. Math and Science Charter) | 58.39 |
| 2 | NELSON, Roosevelt | Chicago (Leo) | 57.97 |
| 3 | SMITH, Brian | Winnetka (North Shore Country Day) | 52.03 |
| 4 | LUGO, Alika | Chicago (Latin) | 51.79 |
| 5 | YOUNG, Mateo | Chicago (C. Hope Academy) | 51.91 |
| 6 | BRAYBOY, Zach | Chicago (C. Hope Academy) | 56.22 |
| 7 | BRACKENS, Jaymel | Chicago (North Lawndale Charter) | 58.02 |
| 8 | WILLIAMS, Leonard | Chicago (North Lawndale Charter) | 59.96 |