| Lane | Team | Squad | Seed | Note |
|---|---|---|---|---|
| 2 | Johnson College Prep | A | DNF | |
| 3 | Chicago (Kennedy) | A | 55.32 | |
| 4 | Chicago (Providence-St. Mel) | A | 51.34 | |
| 5 | Chicago (Hancock) | A | 53.00 | |
| 6 | Chicago Military | A | NT | |
| 7 | Chicago (CICS/Ellison) | A | NT |
| Lane | Team | Squad | Seed | Note |
|---|---|---|---|---|
| 1 | Chicago (Washington) | A | 51.19 | |
| 2 | Pritzker | A | DNS | |
| 3 | Chicago (Sullivan) | A | DNS | |
| 4 | South Shore Int'l Prep | A | 44.35 | |
| 5 | Chicago (Little Village) | A | 46.63 | |
| 6 | Chicago (King) | A | 47.15 | |
| 7 | Chicago (Lake View) | A | 50.98 | |
| 8 | Chicago (Rickover Naval Academy) | A | 51.33 |