September 1, 1949             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Eddie Anderson
July 4, 1950             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Don White
September 1, 1950             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Tommy Melvin
July 1, 1951       Gold Cup      Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Ernie Derr
August 25, 1951             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Chris Skadal
September 3, 1951             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Dick Rathmann
June 29, 1952             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Tubby Harrison
July 13, 1952             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Jim Ward
August 23, 1952             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Ernie Derr
September 1, 1952             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Don White
June 28, 1953             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Ernie Derr
August 29, 1953             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Don White
September 6, 1953             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Ernie Derr
July 18, 1954             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Jim Ward
August 28, 1954             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Ernie Derr
September 5, 1954             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Don White
July 10, 1955             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Herschel Buchanan
September 4, 1955             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Don White
June 10, 1956       Hawkeye Futurity      Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Jud Larson
July 15, 1956       Iowa International      Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Johnny Beauchamp
August 24, 1956             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Jud Larson
August 26, 1956             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bobby Grim
August 29, 1956             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Ed Loetscher
August 30, 1956             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Jud Larson
August 31, 1956             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bobby Grim
September 2, 1956             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Johnny Beauchamp
June 9, 1957       Hawkeye Futurity      Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bobby Grim
July 14, 1957       International 300      Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Bob Burdick
August 23, 1957             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bob Cleberg
August 25, 1957             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bob Cleberg
August 29, 1957             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bobby Grim
August 30, 1957             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bobby Grim
September 1, 1957             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Bob Burdick
June 8, 1958       Hawkeye Futurity      Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bobby Grim
July 13, 1958             Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Don White
August 24, 1958             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Red Amick
August 28, 1958             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bobby Grim
August 29, 1958             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Johnny Pouelson
August 30, 1958       Centennial Sweepstakes      Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Bobby Grim
June 7, 1959       Hawkeye Futurity      Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Pete Folse
August 28, 1959             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Harold Leep
August 30, 1959             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Harold Leep
September 2, 1959             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Pete Folse
September 5, 1959             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Pete Folse
June 19, 1960       Hawkeye Futurity      Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Pete Folse
August 28, 1960             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Pete Folse
September 1, 1960             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Pete Folse
September 3, 1960             Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Buzz Barton
June 11, 1961       Hawkeye Futurity      Iowa State Fairgrounds, Des Moines, IA      IMCA Sprint Car      Buzz Barton
July 13, 1969       Iowa 300      Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Ernie Derr
July 11, 1971       Iowa 300      Iowa State Fairgrounds, Des Moines, IA      IMCA Stock Car      Ernie Derr
September 14, 1974       Bulldog 150      Iowa State Fairgrounds, Des Moines, IA      USAC Stock Car      Butch Hartman
July 3, 1975       Bulldog 150      Iowa State Fairgrounds, Des Moines, IA      USAC Stock Car      Ernie Derr
September 26, 1981             Iowa State Fairgrounds, Des Moines, IA      USAC Stock Car      Joe Wallace
July 22, 2015             Iowa State Fairgrounds, Des Moines, IA      NSL 410 Sprint Car      Craig Dollansky