Race Winner
Country
United States
Circuit
Round
11
Laps
420
1981 Season
Past Results
1980,
1980,
1979,
1979,
1978,
1978,
1977,
1977,
1976,
1976,
1975,
1975,
1974,
1974,
1973,
1973,
1972,
1971,
1970,
1969,
1968,
1967,
1966,
1965,
1965,
1964,
1963,
1962,
1961,
1960,
1959,
1958