| IA | Iowa HS Record | 47.55 | Des Moines Roosevelt | 2015 | |
| # | Creek Classic Relays | 50.41 | Ryan, Levin, Fleck, Kerkhoff | Solon | 4/5/2019 | 
| PL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | HPL | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mid-Prairie | A | 51.20 | 
 | 
 | 
 | 
 | 10 | 2 (1) | |||||
| 2 | Solon | A | 53.23 | 
 | 
 | 
 | 
 | 8 | 2 (2) | |||||
| 3 | Clear Creek Amana | A | 53.27 | 
 | 
 | 
 | 
 | 6 | 2 (3) | |||||
| 4 | Mount Vernon | A | 53.67 | 
 | 
 | 
 | 
 | 5 | 2 (4) | |||||
| 5 | Williamsburg | A | 54.43 | 
 | 
 | 
 | 
 | 4 | 2 (5) | |||||
| 6 | Solon | B | 55.71 | 
 | 
 | 
 | 
 | 1 (1) | ||||||
| 7 | Williamsburg | B | 55.98 | 
 | 
 | 
 | 
 | 1 (2) | ||||||
| 8 | Mid-Prairie | B | 56.77 | 
 | 
 | 
 | 
 | 1 (3) | ||||||
| 9 | Independence | A | 58.07 | 
 | 
 | 
 | 
 | 3 | 2 (6) | |||||
| 10 | Mount Vernon | B | 58.14 | 
 | 
 | 
 | 
 | 1 (4) | ||||||
| 11 | Belle Plaine | A | 59.23 | 
 | 
 | 
 | 
 | 2 | 2 (7) | |||||
| 12 | Independence | B | 1:00.50 | 
 | 
 | 
 | 
 | 1 (5) | ||||||
| 13 | Benton Community | A | 1:00.75 | 
 | 
 | 
 | 
 | 1 | 2 (8) | |||||
| 14 | Clear Creek Amana | B | 1:02.87 | 
 | 
 | 
 | 
 | 1 (6) | ||||||
| 15 | Benton Community | B | 1:03.00 | 
 | 
 | 
 | 
 | 1 (7) | ||||||
| Belle Plaine | B | DNS | 
 | 
 | 
 | 
 | 
| HPL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Solon | B | 55.71 | 
 | 
 | 
 | 
 | ||||||
| 2 | Williamsburg | B | 55.98 | 
 | 
 | 
 | 
 | ||||||
| 3 | Mid-Prairie | B | 56.77 | 
 | 
 | 
 | 
 | ||||||
| 4 | Mount Vernon | B | 58.14 | 
 | 
 | 
 | 
 | ||||||
| 5 | Independence | B | 1:00.50 | 
 | 
 | 
 | 
 | ||||||
| 6 | Clear Creek Amana | B | 1:02.87 | 
 | 
 | 
 | 
 | ||||||
| 7 | Benton Community | B | 1:03.00 | 
 | 
 | 
 | 
 | ||||||
| Belle Plaine | B | DNS | 
 | 
 | 
 | 
 | 
| HPL | JD | Team | Squad | Time | Athlete 1 | Athlete 2 | Athlete 3 | Athlete 4 | Pts | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Mid-Prairie | A | 51.20 | 
 | 
 | 
 | 
 | 10 | |||||
| 2 | Solon | A | 53.23 | 
 | 
 | 
 | 
 | 8 | |||||
| 3 | Clear Creek Amana | A | 53.27 | 
 | 
 | 
 | 
 | 6 | |||||
| 4 | Mount Vernon | A | 53.67 | 
 | 
 | 
 | 
 | 5 | |||||
| 5 | Williamsburg | A | 54.43 | 
 | 
 | 
 | 
 | 4 | |||||
| 6 | Independence | A | 58.07 | 
 | 
 | 
 | 
 | 3 | |||||
| 7 | Belle Plaine | A | 59.23 | 
 | 
 | 
 | 
 | 2 | |||||
| 8 | Benton Community | A | 1:00.75 | 
 | 
 | 
 | 
 | 1 |