Year	Winner				Average Speed
1997	Arie Luyendyk			145.827
1996	Buddy Lazier			147.956
1995	Jacques Villenueve		153.616
1994	Al Unser, Jr.			160.872
1993	Emerson Fittipaldi		157.207
1992	Al Unser, Jr.			134.212
1991	Rick Mears			176.460
1990	Arie Luyendyk			185.984
1989	Emerson Fittipaldi		167.581
1988	Rick Mears			144.809
1987	Al Unser, Sr.			162.175
1986	Bobby Rahal			170.722
1985	Danny Sullivan			152.982
1984	Rick Mears			163.612
1983	Tom Sneva			162.117
1982	Gordon Johncock			162.029
1981	Bobby Unser			139.084
1980	Johnny Rutherford		142.862
1979	Rick Mears			158.899
1978	Al Unser, Sr.			161.363
1977	A. J. Foyt			161.331
1976	Johnny Rutherford		148.725
1975	Bobby Unser			149.213
1974	Johnny Rutherford		158.589
1973	Gordon Johncock			159.036
1972	Mark Donohue			162.962
1971	Al Unser, Sr.			157.735
1970	Al Unser, Sr.			155.749
1969	Mario Andretti			156.867
1968	Bobby Unser			152.882
1967	A. J. Foyt			151.207
1966	Graham Hill			144.317
1965	Jimmy Clark			150.686
1964	A. J. Foyt			147.350
1963	Parnelli Jones			143.187
1962	Roger Ward			140.293
1961	A. J. Foyt			139.131
1960	Jim Rathmann			138.767
1959	Roger Ward			135.857
1958	Jim Bryan			133.791
1957	Sam Hanks			135.601
1956	Pat Flaherty			128.490
1955	Bob Sweikert			128.209
1954	Bill Vukovich			130.840
1953	Bill Vukovich			128.740
1952	Troy Ruttman			128.922
1951	Lee Wallard			126.244
1950	Johnnie Parsons			124.002
1949	Bill Holland			121.327
1948	Mauri Rose			119.814
1947	Mauri	Rose			116.338
1946	George Robson			114.820
1945	no race
1944	no race
1943	no race
1942	no race
1941	Floyd Davis/Mauri Rose		115.117
1940	Wilbur Shaw
1939	Wilbur Shaw			114.277
1938	Floyd Roberts			117.200
1937	Wilbur Shaw			113.580
1936	Louis Meyer			109.069
1935	Kelly Petillo			106.240
1934	William Cummings		104.863
1933	Louis Meyer			104.162
1932	Fred Frame			104.144
1931	Louis Schneider			 96.629
1930	Billy Arnold			100.448
1929	Ray Keech			 97.585
1928	Louis Meyer			 99.482
1927	George Souders			 97.545
1926	Frank Lockhart			 95.904
1925	Peter DePaolo			101.127
1924	L. L. Corum/Joe Boyer		 98.234
1923	Tommy Milton			 90.954
1922	Jimmy Murphy			 94.484
1921	Tommy Milton			 89.621
1920	Gaston Chevrolet		 88.618
1919	Howard Wilcox			 88.050
1918	no race
1917	no race
1916	Dario Resta			 84.001
1915	Ralph Depalma			 89.040
1914	Rene Thomas			 82.474
1913	Jules Goux			 75.933
1912	Joe Dawson			 78.719
1911	Ray Harroun			 74.602