| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 2 | MAGAC, Reid | Lincoln (Chicago) | NT |
| 3 | ZEMAN, Billy | Near North Montessori | NT |
| 4 | PRESTON, Owen | Queen of Angels | NT |
| 5 | TRYGESSTAD, Joseph | Queen of Angels | NT |
| 6 | SCHAFFER, Samuel | Lincoln (Chicago) | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | BORGHOFF, Felipe | Alexander Graham Bell Elementary | NT |
| 2 | POWERS, Matthew | Immaculate Conception North Park | NT |
| 3 | SHUKLA, Adi | Catherine Cook | NT |
| 4 | HOFFMAN, Emmett | Pritzker | NT |
| 5 | LYNCH, Alex | Immaculate Conception North Park | NT |
| 6 | KAMINSKI, Griffin | Alexander Graham Bell Elementary | NT |
| 7 | DESANTO, Alexander | Pritzker | NT |
| 8 | CHAUDRI, Zane | Lincoln (Chicago) | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | BUTLER, Caden | Immaculate Conception North Park | NT |
| 2 | DOHERTY, Aonghus | Lincoln (Chicago) | NT |
| 3 | GIOIOSA-HUBICKI, Lucas | Lincoln (Chicago) | NT |
| 4 | EUGENIO, Cooper | Immaculate Conception North Park | 20.97 |
| 5 | MIRZA, Bo | Pope John XXIII | NT |
| 6 | JANDALI, Ryan | Lincoln (Chicago) | NT |
| 7 | ADDINGTON, James (Nunu) | Immaculate Conception North Park | NT |
| 8 | NUNEZ, Giancarlo | Queen of Angels | NT |
| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | BARACH, Elijah | Catherine Cook | 19.25 |
| 2 | FLATHER, Finn | Catherine Cook | 17.60 |
| 3 | DILETTI, Anthony | St Matthias | 17.14 |
| 4 | MADKINS, Tyson | Francis W. Parker | 16.24 |
| 5 | HEVNER, Jack | Pope John XXIII | 16.27 |
| 6 | PEREZ, Jacob | Immaculate Conception North Park | 17.42 |
| 7 | MARCEL, Matthias | St Matthias | 19.00 |
| 8 | MCCARTHY, Quinten | Queen of Angels | 19.25 |