| 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 | 
|---|---|---|---|---|---|---|---|---|
| 1 | Lisbon | A | 53.74 | |||||
| 2 | GMG | A | 54.76 | |||||
| 3 | BCLUW | A | 56.05 | |||||
| 4 | South Tama | A | 58.42 | |||||
| 5 | Oelwein | A | 1:02.65 | |||||
| Newton | A | DNS | ||||||
| East Marshall | A | DNS | ||||||
| Ankeny High School | A | DNS | 
| PL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | 
|---|---|---|---|---|---|---|---|---|
| 1 | Lisbon | A | 53.74 | |||||
| 2 | GMG | A | 54.76 | |||||
| 3 | BCLUW | A | 56.05 | |||||
| 4 | South Tama | A | 58.42 | |||||
| 5 | Oelwein | A | 1:02.65 | |||||
| Newton | A | DNS | ||||||
| East Marshall | A | DNS | ||||||
| Ankeny High School | A | DNS |