| MR | Glenbrook North Relays | 51.82 | Warren, Johnson, Akalaonu, Akalaonu | Grayslake North | 2019 |
| Lane | Team | Squad | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 |
|---|---|---|---|---|---|---|
| 1 | St. Viator High School | A | ||||
| 2 | Glenbrook North High School | A | ||||
| 3 | Deerfield High School | A | ||||
| 4 | Palatine High School | A | ||||
| 5 | Glenbrook South High School | A | ||||
| 6 | Lake Forest High School | A | ||||
| 7 | Resurrection High School | A |