| IA | Iowa HS Record | 57.18 | Marschal, Gbarjolo, Thornton, Williams | Valley, West Des Moines | 
| PL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | HPL | 
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Western Dubuque | A | 1:00.29 | 10 | 2 (1) | |||||
| 2 | Independence | A | 1:02.17 | 8 | 2 (2) | |||||
| 3 | Waverly-Shell Rock | A | 1:02.65 | 6 | 2 (3) | |||||
| 4 | Decorah | A | 1:03.40 | 5 | 2 (4) | |||||
| 5 | Charles City | A | 1:04.79 | 4 | 1 (1) | |||||
| 6 | Vinton-Shellsburg | A | 1:05.02 | 3 | 1 (2) | |||||
| 7 | West Delaware | A | 1:14.93 | 2 | 1 (3) | 
| HPL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | 
|---|---|---|---|---|---|---|---|---|---|
| 1 | Charles City | A | 1:04.79 | 4 | |||||
| 2 | Vinton-Shellsburg | A | 1:05.02 | 3 | |||||
| 3 | West Delaware | A | 1:14.93 | 2 | 
| HPL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | 
|---|---|---|---|---|---|---|---|---|---|
| 1 | Western Dubuque | A | 1:00.29 | 10 | |||||
| 2 | Independence | A | 1:02.17 | 8 | |||||
| 3 | Waverly-Shell Rock | A | 1:02.65 | 6 | |||||
| 4 | Decorah | A | 1:03.40 | 5 |