Year    Winner              Avg. Speed
----    ------              ----------
1998    Eddie Cheever Jr.     145.155
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           114.277
1939    Wilbur Shaw           115.035
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