| 1911 | Ray Harroun | 1912 | Joe Dawson |
| 1913 | Jules Goux | 1914 | Rene Thomas |
| 1915 | Ralph DePalma | 1916 | Dario Resta |
| 1917 | NA | 1918 | NA |
| 1919 | Howdy Wilcox | 1920 | Gaston Chevrolet |
| 1921 | Tommy Milton | 1922 | Jimmy Murphey |
| 1923 | Tommy Milton | 1924 | L.L. Corum and Joe Boyer |
| 1925 | Peter Depaolo | 1926 | Fraank Lockhart |
| 1927 | George Souders | 1928 | Lou Meyer |
| 1929 | Ray Keech | 1930 | Billy Arnold |
| 1931 | Louis Schnedier | 1932 | Fred Frame |
| 1933 | Lou Meyer | 1934 | Bill Cummings |
| 1935 | Kelly Petillo | 1936 | Lou Meyer |
| 1937 | Wilbur Shaw | 1938 | Floyd Roberts |
| 1939 | Wilbur Shaw | 1940 | Wilbur Shaw |
| 1941 | Floyd Davis and Mauri Rose | 1942 | NA |
| 1943 | NA | 1944 | NA |
| 1945 | NA | 1946 | George Robson |
| 1947 | Mauri Rose | 1948 | Mauri Rose |
| 1949 | Bill Holland | 1950 | Johnnie Parsons |
| 1951 | Lee Wallard | 1952 | Troy Ruttman |
| 1953 | Bill Vukovich | 1954 | Bill Vukovich |
| 1955 | Bob Sweikert | 1956 | Pat Flaherty |
| 1957 | Sam Hanks | 1958 | Jimmy Bryan |
| 1959 | Rodger Ward | 1960 | Jim Rathmann |
| 1961 | AJ Foyt Jr | 1962 | Rodger Ward |
| 1963 | Parnelli Jones | 1964 | AJ Foyt Jr |
| 1965 | Jim Clark | 1966 | Graham Hill |
| 1967 | AJ Foyt Jr | 1968 | Bobby Unser |
| 1969 | Mario Andretti | 1970 | Al Unser |
| 1971 | Al Unser | 1972 | Mark Donohue |
| 1973 | Gordon Johncock | 1974 | Johnny Rutherford |
| 1975 | Bobby Unser | 1976 | Johnny Rutherford |
| 1977 | AJ Foyt Jr | 1978 | Al Unser |
| 1979 | Rick Mears | 1980 | Johnny Rutherford |
| 1981 | Bobby Unser | 1982 | Gordon Johncock |
| 1983 | Tom Sneva | 1984 | Rick Mears |
| 1985 | Danny Sullivan | 1986 | Bobby Rahal |
| 1987 | Al Unser | 1988 | Rick Mears |
| 1989 | Emerson Fittipaldi | 1990 | Arie Luyendyk |
| 1991 | Rick Mears | 1992 | Al Unser Jr |
| 1993 | Emerson Fittipaldi | 1994 | Al Unser Jr |
| 1995 | Jacques Villenueve | 1996 | Buddy Lazier |
| 1997 | Arie Luyendyk | 1998 | Eddie Cheever Jr |