1971 USAC Championship Car season

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1971 USAC Championship Car season

USAC Marlboro Championship Trail
Season
Races	12
Start date	February 28
End date	October 23
Awards
National champion	Joe Leonard
Indianapolis 500 winner	Al Unser

Chronology
Previous season	Next season
1970	1972

The 1971 USAC Championship Car season consisted of 12 races, beginning in Rafaela, Argentina on February 28 and concluding in Avondale, Arizona on October 23. The USAC National Champion was Joe Leonard and the Indianapolis 500 winner was Al Unser. This was the first year that road courses and ovals were separated from dirt courses in the Championship.

Contents

1 Schedule and results
2 Leading National Championship standings
3 References
4 See also

Schedule and results

Rnd	Date	Race Name	Length	Track	Location	Pole Position	Winning Driver
1	February 28	Rafaela Indy 300 Heat 1	152.322 mi (245.138 km)	Autódromo de Rafaela	Rafaela, Argentina	Lloyd Ruby	Al Unser
2	February 28	Rafaela Indy 300 Heat 2	152.322 mi (245.138 km)	Autódromo de Rafaela	Rafaela, Argentina	Al Unser	Al Unser
3	March 27	Phoenix 150	150 mi (240 km)	Phoenix International Raceway	Avondale, Arizona	Bobby Unser	Al Unser
4	April 25	Trenton 200	200 mi (320 km)	Trenton International Speedway	Trenton, New Jersey	Bobby Unser	Mike Mosley
5	May 29	International 500 Mile Sweepstakes	500 mi (800 km)	Indianapolis Motor Speedway	Speedway, Indiana	Peter Revson	Al Unser
6	June 6	Rex Mays Classic 150	150 mi (240 km)	Wisconsin State Fair Park Speedway	West Allis, Wisconsin	Bobby Unser	Al Unser
7	July 3	Pocono 500	500 mi (800 km)	Pocono International Raceway	Long Pond, Pennsylvania	Mark Donohue	Mark Donohue
8	July 18	Michigan 200	200 mi (320 km)	Michigan International Speedway	Brooklyn, Michigan	Bobby Unser	Mark Donohue
9	August 15	Tony Bettenhausen 200	200 mi (320 km)	Wisconsin State Fair Park Speedway	West Allis, Wisconsin	Bobby Unser	Bobby Unser
10	September 5	California 500	500 mi (800 km)	Ontario Motor Speedway	Ontario, California	Mark Donohue	Joe Leonard
11	October 3	Trenton 300	300 mi (480 km)	Trenton International Speedway	Trenton, New Jersey	Bobby Unser	Bobby Unser
12	October 23	Bobby Ball 150	150 mi (240 km)	Phoenix International Raceway	Avondale, Arizona	Bobby Unser	A. J. Foyt

Leading National Championship standings

#	Driver	Team	Points
1	Joe Leonard	Vel’s Parnelli Jones Racing	3015
2	A. J. Foyt	ITT-Thompson	2320
3	Bill Vukovich II		2250
4	Al Unser	Johnny Lightning	2200
5	Lloyd Ruby	Gene White Firestone	1830

References

Åberg, Andreas. "USAC National Championship 1971". Driver Database. Archived from the original on 2009-05-06. http://www.driverdb.com/standings/980-1971/. Retrieved 2009-05-03.
Harms, Phil; Ferner, Michael; Measures, Gerry; Brown, Allen. "Indy 500 and USAC racing 1971". OldRacingCars.com. http://www.oldracingcars.com/indy/1971/.
"1971 USAC Marlboro Championship Trail". ChampCarStats.com. http://www.champcarstats.com/year/1971.htm. Retrieved 2009-05-11.
Harms, Phil. "1971 Championship Driver Summary". Motorsport.com. Archived from the original on 2011-05-03. http://old.motorsport.com/stats/champ/data/1971sum.pdf. Retrieved 2011-05-03.

v · d · eAmerican Championship car racing (IndyCar) seasons

AAA	1905 • 1906–1908 • 1909 • 1910 • 1911 • 1912 • 1913 • 1914 • 1915 • 1916 • 1917 • 1918 • 1919 • 1920 • 1921 • 1922 • 1923 • 1924 • 1925 • 1926 • 1927 • 1928 • 1929 • 1930 • 1931 • 1932 • 1933 • 1934 • 1935 • 1936 • 1937 • 1938 • 1939 • 1940 • 1941 • 1942–1945 • 1946 • 1947 • 1948 • 1949 • 1950 • 1951 • 1952 • 1953 • 1954 • 1955

NASCAR	1952 • 1953

USAC	1956 • 1957 • 1958 • 1959 • 1960 • 1961 • 1962 • 1963 • 1964 • 1965 • 1966 • 1967 • 1968 • 1969 • 1970 • 1971 • 1972 • 1973 • 1974 • 1975 • 1976 • 1977 • 1978 • 1979 • 1980 • 1981–82 • 1982–83 • 1983–84

CART / CCWS	1979 • 1980 • 1981 • 1982 • 1983 • 1984 • 1985 • 1986 • 1987 • 1988 • 1989 • 1990 • 1991 • 1992 • 1993 • 1994 • 1995 • 1996 • 1997 • 1998 • 1999 • 2000 • 2001 • 2002 • 2003 • 2004 • 2005 • 2006 • 2007 • ~~2008~~

IRL / INDYCAR	1996 • 1996–97 • 1998 • 1999 • 2000 • 2001 • 2002 • 2003 • 2004 • 2005 • 2006 • 2007 • 2008 • 2009 • 2010 • 2011 • 2012

Years marked in italics are not official championship years.

v · d · eUSAC Championship Cars (1971-1995)

Seasons	1971 • 1972 • 1973 • 1974 • 1975 • 1976 • 1977 • 1978 • 1979 • 1980 • 1981–82 • 1982–83 • 1983–84

Indianapolis 500s	1971 • 1972 • 1973 • 1974 • 1975 • 1976 • 1977 • 1978 • 1979 • 1980 • 1981 • 1982 • 1983 • 1984 • 1985 • 1986 • 1987 • 1988 • 1989 • 1990 • 1991 • 1992 • 1993 • 1994 • 1995

National Champions	Emerson Fittipaldi (twice) • A. J. Foyt (twice) • Gordon Johncock • Joe Leonard (twice) • Arie Luyendyk • Roger McCluskey • Rick Mears (three times) • Bobby Rahal • Johnny Rutherford • Tom Sneva (three times) • George Snider • Danny Sullivan • Al Unser • Al Unser, Jr. (twice) • Bobby Unser • Jacques Villeneuve

Tracks	Atlanta • Brands Hatch • DuQuoin State Fair • Illinois State Fair • Indianapolis • Indiana State Fair • Michigan • Mid-Ohio • Milwaukee • Mosport • Nazareth • Ontario • Phoenix • Pocono • Rafaela • Silverstone • Texas World • Trenton

The Indianapolis 500 was the only race in the USAC National Championship from 1984-85 onwards

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1971 USAC Championship Car season