| Lane | Athlete | Team | Seed |
|---|---|---|---|
| 1 | SWAN, Alrik | St Matthias | 2:26.90 |
| 2 | RASTATTER, Nico` | Near North Montessori | 2:40.00 |
| 3 | BADILLO, Jackson | Pope John XXIII | 2:43.32 |
| 4 | SCHAFFER, Samuel | Lincoln (Chicago) | 2:49.00 |
| 5 | BATTIN, Jude | St Matthias | 2:53.19 |
| 6 | HERING, James | Chicago Trailblazers | 2:55.00 |
| 7 | VOLMERDING, Benjamin | St Matthias | 2:59.18 |
| 8 | HUANG, Christopher | Lincoln (Chicago) | 3:00.00 |
| 9 | OSWALD, Xavi | St Matthias | 3:03.30 |
| 10 | GRIEB, Max | Catherine Cook | 3:06.53 |
| 11 | MCCUSKER, Jameson | Immaculate Conception North Park | 3:06.58 |
| 12 | GOMEZ, Diego | Lincoln (Chicago) | 3:10.00 |
| 13 | KRASZEWSKI, Noah | Queen of Angels | 3:13.28 |
| 14 | FIESTA, David | Queen of Angels | 3:13.67 |
| 15 | MILBURG, Blake | Lincoln (Chicago) | 3:14.00 |
| 16 | ROUSSEL BENOIS, Hugo | Lincoln (Chicago) | 3:15.00 |
| 17 | MAGAC, Reid | Lincoln (Chicago) | 3:15.00 |
| 18 | KELLY, Jack | Queen of Angels | NT |
| 19 | SCHMUCK, Albert | St. Helen | NT |
| 20 | JACOBY, Nikhil | Alexander Graham Bell Elementary | NT |
| 21 | DEL REAL, Remberto | St. Helen | NT |
| 22 | ESTELA, Elon | Pritzker | NT |
| 23 | MOSNY, Jackson | St. Helen | NT |