Boys 4x400m -
| Team | Athlete 1 | Time | Athlete 2 | Time | Athlete 3 | Time | Athlete 4 | Time | Total |
|---|---|---|---|---|---|---|---|---|---|
| Kenwood | Sidney Morris | 51.40 | Landan Gillespie | 52.46 | Jahad Henderson | 52.01 | Kendall Norris | 52.99 | 3:27.46 |
| Lane Tech | Nick Gestrich | 52.43 | Demastanis Nikopoulos | 52.71 | Ethan Seitz | 53.53 | Geremy Gomez | 53.01 | 3:30.28 |
| Downers Grove North | Jackson Irby | 52.68 | Will Guerin | 51.86 | Ryan Eddington | 53.90+ | Vince Davero | 53.93 | 3:31.01 |
| Plainfield South | Gavin Borger | 53.80 | Zach Anderson | 52.79 | Camyn Viger | 53.40 | Brian Stanton | 54.10 | 3:32.69 |
| Yorkville | Josh Pugh | 49.84 | Owen Horeni | 53.75 | Brycen Clements | 55.70+ | Elliot Goodwin | 55.00+ | 3:32.89 |
| Plainfield North | Victor Patterson | 54.00+ | Demir Ashiru | 54.00+ | Zander Pauly | 52.41 | Kwame Amoo-Otoo | 54.05 | 3:33.06 |
| Lockport | Nolan Lamoureux | 52.95 | Alex Johnson | 53.52 | Erick Ramirez | 52.95 | Elijah Beltran | 55.19 | 3:33.21 |
| Minooka | Samuel Drey | 52.81 | Zach Balzer | 54.40+ | Carter Wikoff | 55.02 | Cael Hiser | 53.51 | 3:34.35 |
| Glenbrook North | Makoto Majoros | 52.81 | John Ihrke | 52.28 | Brian Pekala | 54.57 | Trevor Bowles | 56.18 | 3:34.44 |
| Naperville Central | Foster Shelbert | 50.03 | Bode Smith | 53.61 | Luke Noren | 53.27 | Benjamin Pieczynski | 58.95 | 3:34.46 |
| Bolingbrook | Terence Jackson | 52.15 | Joshua Stewart | 52.44 | Hussein Almousawi | 55.80+ | Vincent De Farno | 55.80+ | 3:34.79 |
| Downers Grove South | TaKavin Russell | 53.50+ | Alex Benkart | 53.50+ | Shane Hosty | 53.90+ | Jake Steele | 55.30+ | 3:34.80 |
| St. Ignatius | Alex Ditsch | 54.26 | Thomas Fitzpatrick | 55.00+ | Russell Robertson | 54.36 | Angel Tirado | 53.78 | 3:36.01 |
| Hinsdale Central | Smith Maxwell | 53.78 | Joey Morissey | 55.34 | Mehlum Anjarwala | 52.91 | Owen Peterson | 56.44 | 3:37.07 |
| Downers Grove North (B) | Asa Gaspar | 56.90+ | Leo Gartlan | 54.90+ | Zach Bender | 54.90+ | Caden Weber | 55.30+ | 3:40.58 |
| Whitney Young | Quinn Duhon | 55.68 | Max Warner | 56.61 | Kendall Easterly | 55.47 | Sean Baker | 54.29 | 3:40.65 |
| St. Charles North | Robert Messina | 53.68 | Anthony Taormina | 59.77 | Owen Brown | 56.66 | Bryce Thomas | 52.43 | 3:41.14 |
| Burlington Central | Leighton Dietz | 54.06 | Farooq Kusi | 55.95 | Rocco Boss | 55.83 | Mikey Franzone | 57.06 | 3:41.50 |
| Niles North | Dylan Parker | 53.30 | Demitri Romero | 54.63 | Maurico Alvarado | 57.07 | Luis Mancera | 58.00+ | 3:41.60 |
| Andrew | Carter Bailitz | 55.12 | Corey Alexander | 58.02 | Nick Smith | 58.37 | Tony Ryan | 55.66 | 3:45.77 |
| Downers Grove South (B) | Luke Spear | 55.11 | Jeffrey Spirek | 55.57 | Tim Sumlin | 59.00+ | Nick Sadelski | 58.36 | 3:46.64 |
| Willowbrook | Liam Moran | 55.51 | Cody Wenkus | 59.00+ | Evan Weder | 58.38 | Luca Parato | 56.34 | 3:47.83 |
| Plainfield East | Quinn Callaghan | 53.56 | Ryan Breese | 58.50+ | Stephen Adegunleye | 58.30 | Travon Guthrie | 59.00+ | 3:47.96 |
| Glenbard East | David Hernandez | 54.92 | Joey Rosenthal | 56.00+ | Ryan Stringer | 60.40+ | Cooper Hoffmann | 59.52 | 3:49.48 |
| Bradley-Bourbonnais | CJ Shapiro | 62.30 | Ebenezer Gideon | 56.03 | Grant Washington | 56.74 | Avion Strickland | 56.80+ | 3:50.47 |
| Shepard | Jacob Madera | 56.60 | Oscar Montiel | 58.17 | Terry Mcherron | 56.97 | Jacob Diaferio | 62.40+ | 3:52.74 |
| Downers Grove South (C) | Josh Poeschel | 58.60+ | Carter Smott | 57.20+ | Kevin Davy | 58.50+ | Luke Urban | 60.00+ | 3:52.87 |
| West Aurora | Sere Iranloye | 56.39 | Nathan Gehrmann | 60.60+ | Branden DeLeon | 60.90+ | Sean Heetland | 58.60+ | 3:55.09 |
| West Chicago | Matt Dewees | 61.00+ | Cooper Pensinger | 60.51 | Jaden Bates | 58.00+ | Mason Williams | 60.00+ | 3:58.11 |
| Sandburg | Tauras Alonso | 58.93 | Damien Davia | 59.00+ | Zeeshan Khan | 62.00 | Sebastian Mitra | 64.00+ | 4:02.53 |
Overall -
| Kenwood | 3:27.46 |
| Lane Tech | 3:30.28 |
| Downers Grove North | 3:31.01 |
| Plainfield South | 3:32.69 |
| Yorkville | 3:32.89 |
| Plainfield North | 3:33.06 |
| Lockport | 3:33.21 |
| Minooka | 3:34.35 |
| Glenbrook North | 3:34.44 |
| Naperville Central | 3:34.46 |
| Bolingbrook | 3:34.79 |
| Downers Grove South | 3:34.80 |
| St. Ignatius | 3:36.01 |
| Hinsdale Central | 3:37.07 |
| Downers Grove North (B) | 3:40.58 |
| Whitney Young | 3:40.65 |
| St. Charles North | 3:41.14 |
| Burlington Central | 3:41.50 |
| Niles North | 3:41.60 |
| Andrew | 3:45.77 |
| Downers Grove South (B) | 3:46.64 |
| Willowbrook | 3:47.83 |
| Plainfield East | 3:47.96 |
| Glenbard East | 3:49.48 |
| Bradley-Bourbonnais | 3:50.47 |
| Shepard | 3:52.74 |
| Downers Grove South (C) | 3:52.87 |
| West Aurora | 3:55.09 |
| West Chicago | 3:58.11 |
| Sandburg | 4:02.53 |