| July 1, 1955 | Playland Speedway, Council Bluffs, IA | SAFE Convertible | Jack Harrison | |
| June 22, 1956 | Playland Speedway, Council Bluffs, IA | IMCA Stock Car | Johnny Beauchamp | |
| August 22, 1956 | Playland Speedway, Council Bluffs, IA | IMCA Stock Car | Bob Burdick | |
| May 4, 1958 | Playland Speedway, Council Bluffs, IA | IMCA Stock Car | Lynn Grabill | |
| June 14, 1958 | Playland Speedway, Council Bluffs, IA | IMCA Stock Car | Don White |