| IA | Iowa HS Record | 41.33 | Dan McMahon, Jason Ringena, Mike Richards, Merrill Coleman | Iowa City, City High | 1996 | 
| PL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | HPL | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lisbon | A | 45.34 | 
 | 
 | 
 | 
 | 10 | 2 (1) | |||||
| 2 | South Tama | A | 46.47 | 
 | 
 | 
 | 
 | 8 | 2 (2) | |||||
| 3 | BCLUW | A | 47.59 | 
 | 
 | 
 | 
 | 6 | 2 (3) | |||||
| 4 | Oelwein | A | 47.61 | 
 | 
 | 
 | 
 | 4 | 2 (4) | |||||
| 5 | Lisbon | B | 49.51 | 
 | 
 | 
 | 
 | 1 (1) | ||||||
| 6 | Newton | A | 49.90 | 
 | 
 | 
 | 
 | 2 | 2 (5) | |||||
| 7 | East Marshall | A | 50.82 | 
 | 
 | 
 | 
 | 1 | 2 (6) | |||||
| 8 | GMG | A | 51.26 | 
 | 
 | 
 | 
 | 2 (7) | ||||||
| 9 | Newton | B | 52.59 | 
 | 
 | 
 | 
 | 1 (2) | ||||||
| Oelwein | B | DQ | 
 | 
 | 
 | 
 | ||||||||
| BCLUW | B | DNS | 
 | 
 | 
 | 
 | 
| HPL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lisbon | B | 49.51 | 
 | 
 | 
 | 
 | ||||||
| 2 | Newton | B | 52.59 | 
 | 
 | 
 | 
 | ||||||
| Oelwein | B | DQ | 
 | 
 | 
 | 
 | |||||||
| BCLUW | B | DNS | 
 | 
 | 
 | 
 | 
| HPL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Lisbon | A | 45.34 | 
 | 
 | 
 | 
 | 10 | |||||
| 2 | South Tama | A | 46.47 | 
 | 
 | 
 | 
 | 8 | |||||
| 3 | BCLUW | A | 47.59 | 
 | 
 | 
 | 
 | 6 | |||||
| 4 | Oelwein | A | 47.61 | 
 | 
 | 
 | 
 | 4 | |||||
| 5 | Newton | A | 49.90 | 
 | 
 | 
 | 
 | 2 | |||||
| 6 | East Marshall | A | 50.82 | 
 | 
 | 
 | 
 | 1 | |||||
| 7 | GMG | A | 51.26 | 
 | 
 | 
 | 
 |