| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 3 | CROOKS, Nolan | JR | Downers Grove (South) | NT |
| 4 | GONZALEZ, Izaac | FR | Minooka | 59.00 |
| 5 | AMARTEIFIO, Ethan | SO | Zion (Z.-Benton) | 57.82 |
| 6 | ALVARADO, Mauricio | JR | Skokie (Niles North) | 58.00 |
| 7 | AIMONE, Jake | FR | Park Ridge (Maine East) | 1:01.43 |
| 8 | KATO, Tim | SO | Park Ridge (Maine East) | NT |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | GABRIONE, Will | JR | Arlington Heights (Hersey) | 57.64 |
| 2 | HINTON, Steven | JR | Chicago (St. Ignatius College Prep) | 56.50 |
| 3 | WIKOFF, Carter | FR | Minooka | 55.78 |
| 4 | SMORYNSKI, Kyle | JR | Chicago (Lane) | 55.60 |
| 5 | PATRICK, William | FR | Hoffman Estates (H.S.) | 55.08 |
| 6 | MALDONADO, Cesar | SR | Chicago (Lane) | 55.40 |
| 7 | HALL, Micah | SO | Barrington | 55.76 |
| 8 | LAZO, Johan | JR | Skokie (Niles North) | 56.00 |
| 9 | ZIMBRAKOS, Dimitri | SR | Des Plaines (Maine West) | 57.58 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | MICHELS, Luke | SR | Des Plaines (Maine West) | 54.71 |
| 2 | WARD, Michael | JR | Barrington | 54.54 |
| 3 | LAVACCHI, Angelo | SR | Naperville (Neuqua Valley) | 54.11 |
| 4 | SPEAR, Luke | JR | Downers Grove (South) | 54.00 |
| 5 | MCGOVERN, Matthew | JR | LaGrange (Lyons) | 53.98 |
| 6 | SALEH, Omar | SR | Chicago (Whitney Young) | 54.00 |
| 7 | HUSSAIN, Samir | SR | Naperville (Central) | 54.06 |
| 8 | WAHL, Nathan | SR | Rockton (Hononegah) | 54.20 |
| 9 | WAUGH, Wesley | SR | Rockton (Hononegah) | 54.60 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | SMITH, Bode | SO | Naperville (Central) | 53.97 |
| 2 | PRUITT, EJ | JR | Springfield | 53.50 |
| 3 | PFISTER, Caden | JR | Winnetka (New Trier) | 53.23 |
| 4 | WILLIAMS, Darnell | JR | Hillside (Proviso West) | 53.00 |
| 5 | SINGH, Preetpaul | SR | Hoffman Estates (H.S.) | 52.97 |
| 6 | FARDELLA, Nic | SR | Mt. Prospect (Prospect) | 52.98 |
| 7 | REMPFER, Jack | JR | LaGrange (Lyons) | 53.23 |
| 8 | DUCKLER, Drew | SR | Winnetka (New Trier) | 53.36 |
| 9 | BARAJAS, Eric | JR | Zion (Z.-Benton) | 53.60 |
| Lane | Athlete | Yr. | Team | Seed |
|---|---|---|---|---|
| 1 | GALLAGHER, Ethan | SR | Lockport (Twp.) | 52.95 |
| 2 | FLECK, Jack | SR | Chicago (Whitney Young) | 52.15 |
| 3 | MENDEZ, Alexander | SR | Hillside (Proviso West) | 51.50 |
| 4 | CZAKO, Gabe | SR | Lockport (Twp.) | 50.20 |
| 5 | BALENDA, Dominik | JR | Mt. Prospect (Prospect) | 49.27 |
| 6 | MITCHELL, Maxwell | SR | Naperville (Neuqua Valley) | 50.00 |
| 7 | CABANBAN, Austin | SR | Wilmette (Loyola Academy) | 51.27 |
| 8 | HANLON, Brody | SR | Chicago (St. Ignatius College Prep) | 51.98 |
| 9 | THOMAS, Bryson | JR | Springfield | 52.32 |