Il principale campionato americano per monoposto, corso dal 1916 al 1955, si chiama AAA; nel 1956 prende il nome di USAC National Championship (United States Automobile Club) e si corre fino al 1979. Nel 1980 l'USAC si fonde con la serie CART nel campionato CRL. Nel 1981 si corre l'ultimo campionato USAC. Dal 1985 al 1995 organizza solo la 500 miglia di Indianapolis. Nel 1995 la serie viene rinominata Indy Racing League (IRL) da Tony George. Nel 2008 si fonde con la Champ Car World Series (ex CART) nella IndyCar Series.
La corsa più nota di tale serie è la 500 miglia di Indianapolis che si corre nei periodi 1911/'16, 1919/'41 e dal 1946 fino ad oggi.

1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 | 1978 | 1979 || 1981

Classifica | Piazzamenti | Campionato

1971
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
8		Mark Donohue	Team Penske	McLaren M16A - Offenhauser
12		Peter Revson	McLaren Racing	McLaren M16A - Offenhauser
26		Denny Zimmerman	Vollstedt Racing	McLaren M15A - Offenhauser
27		Gordon Johncock	McLaren Racing Vollstedt Racing	McLaren M15A - Ford McLaren M15A - Offenhauser McLaren M16A - Offenhauser
29		John Mahler	John Mahler	McLaren M15A - Offenhauser
45		Denny Hulme	McLaren Racing	McLaren M16A - Offenhauser

1972
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
3		Roger McCluskey	Hopkins Racing	McLaren M16A - Offenhauser
5		Mark Donohue	Team Penske	McLaren M16B - Offenhauser
6		Mike Hiss	Team Penske	McLaren M16B - Offenhauser
12		Gary Bettenhausen	Team Penske	McLaren M16A - Offenhauser McLaren M16B - Offenhauser
14		Salt Walther	Dayton Walther	McLaren M16A - Offenhauser
22		Gordon Johncock	McLaren Racing Team Penske	McLaren M16B - Offenhauser
30		John Mahler	Roy Woods Racing Vanguard Racing	McLaren M15A - Offenhauser McLaren M16A - Offenhauser
43		Denny Zimmerman	Vollstedt Racing	McLaren M15A - Offenhauser
43		Peter Revson	McLaren Racing	McLaren M16B - Offenhauser

1973
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
		John Mahler	Roy Woods Racing	McLaren M16C - Offenhauser
1		Roger McCluskey	Hopkins Racing	McLaren M16A - Offenhauser McLaren M16B - Offenhauser
3		Johnny Rutherford	McLaren Racing	McLaren M16C - Offenhauser
8		Gary Bettenhausen	Team Penske	McLaren M16C - Offenhauser
17		John Martin	Automotive Technology	McLaren M16B - Offenhauser
37		Al Loquasto	Loquasto Racing Team Penske	McLaren M16B - Offenhauser
37		Bobby Allison	Team Penske	McLaren M16C - Offenhauser
37		Mark Donohue
37		Peter Revson	McLaren Racing	McLaren M16C - Offenhauser
37		Salt Walther	Dayton Walther	McLaren M16A - Offenhauser

1974
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
2		Johnny Rutherford	McLaren Racing	McLaren M16C/D - Offenhauser
16		John Martin	Automotive Technology	McLaren M16B - Offenhauser
17		Roger McCluskey	Hopkins Racing	McLaren M16B - Offenhauser
19		Mike Hiss	Team Penske	McLaren M16C/D - Offenhauser
22		Gary Bettenhausen	Team Penske	McLaren M16C/D - Offenhauser
26		Al Loquasto	Loquasto Racing	McLaren M16B - Offenhauser
31		Salt Walther	Dayton Walther	McLaren M16C - Offenhauser
38		David Hobbs	McLaren Racing	McLaren M16C/D - Offenhauser
38		Jim Hurtubise	Gohr MVS	McLaren M16B - Offenhauser
		John Mahler	Roy Woods Racing	McLaren M16A - Offenhauser

1975
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
2		Johnny Rutherford	McLaren Racing	McLaren M16E - Offenhauser
6		Tom Sneva	Team Penske	McLaren M16C/D - Offenhauser
7		Roger McCluskey	Hopkins Racing	McLaren M16B - Offenhauser
11		John Martin	Automotive Technology	McLaren M16B - Offenhauser McLaren M16B/A - Offenhauser
19		Al Loquasto	Loquasto Racing	McLaren M16B - Offenhauser
21		Salt Walther	Dayton Walther	McLaren M16C - Offenhauser McLaren M16C/D - Offenhauser
25		Bob Harkey	Dayton Walther	McLaren M16C - Offenhauser
36		Lloyd Ruby	McLaren Racing	McLaren M16E - Offenhauser
39		Bobby Allison	Team Penske	McLaren M16C/D - Offenhauser
39		Larry McCoy	Dayton Walther	McLaren M16C - Offenhauser
		Graham McRae	Hopkins Racing	McLaren M16A - Offenhauser

1976
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
2		Johnny Rutherford	McLaren Racing	McLaren M16C/D - Offenhauser McLaren M16E - Offenhauser
8		Tom Sneva	Team Penske	McLaren M16C/D - Offenhauser
9		Mario Andretti	Team Penske	McLaren M16C/D - Offenhauser
19		George Snider	Bidwell Bros	McLaren M16A - Offenhauser
20		Salt Walther	Dayton Walther	McLaren M16C/D - Offenhauser
25		Larry Dickson	Polak Racing	McLaren M16E - Offenhauser
26		Al Loquasto	Loquasto Racing	McLaren M16B - Offenhauser
27		Bill Simpson	Theodore Racing Team	McLaren M16C/D - Offenhauser
30		Spike Gehlhausen	Spirit of Indiana	McLaren M16B - Offenhauser
40		David Hobbs	Dayton Walther	McLaren M16C - Offenhauser
40		Jerry Karl	Shurfine Foods	McLaren M16A - Offenhauser

1977
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
1		Tom Sneva	Team Penske	McLaren M24 - Cosworth
3		Johnny Rutherford	McLaren Racing	McLaren M24 - Cosworth
7		Mario Andretti	Team Penske	McLaren M24 - Cosworth
15		Johnny Parsons Jr	Bill Freeman Racing	McLaren M16B/A - Offenhauser
16		Larry Dickson	Polak Racing	McLaren M16E - Offenhauser
20		Rick Mears	Theodore Racing Team	McLaren M16C/D - Offenhauser
21		Spike Gehlhausen	PV Corp	McLaren M16B - Offenhauser
23		Salt Walther	Dayton Walther	McLaren M16C/D - Offenhauser
25		Steve Krisiloff	Theodore Racing Team	McLaren M16C/D - Offenhauser
31		Jerry Sneva	J.C.Bidwell	McLaren M16A - Offenhauser
34		Bill Simpson	Theodore Racing Team	McLaren M16C/D - Offenhauser
37		Al Loquasto	Loquasto Racing	McLaren M16B - Offenhauser
41		Cliff Hucul	Hucul Racing Hunter Racing Katke Racing	McLaren M16E - Offenhauser
42		Clay Regazzoni	Theodore Racing Team	McLaren M16C/D - Offenhauser
		Bob Harkey	Bill Freeman Racing	McLaren M16B/A - Offenhauser

1978
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
4		Johnny Rutherford	McLaren Racing	McLaren M24 - Cosworth McLaren M24B - Cosworth
6		Wally Dallenbach	Jerry O'Connell Racing	McLaren M24 - Cosworth
20		Salt Walther	Dayton Walther	McLaren M16C/D - Offenhauser McLaren M24 - Cosworth
21		Cliff Hucul	Hucul Racing	McLaren M16E - Offenhauser
33		Jerry Karl	Fiore Racing Enterprises Williams R Compton	McLaren M16C - Offenhauser McLaren M16C/D - Offenhauser
34		Jerry Sneva	Bill Freeman Racing Thunder Racing	McLaren M16B/A - Offenhauser
		Al Loquasto	Loquasto Racing	McLaren M16B - Offenhauser
		Graham McRae	Dayton Walther	McLaren M16C - Offenhauser

1979
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
4		Larry Dickson	Gilmore Racing Thunder Racing	McLaren M16B/A - Offenhauser
10		Roger McCluskey	Hodgdon Racing	McLaren M24 - Cosworth
13		Cliff Hucul	Hucul Racing	McLaren M16E - Offenhauser
23		Tony Bettenhausen Jr.	Robert W. LaWarre	McLaren M16A - Offenhauser
24		Dana Carter	Shade Tree Racing	McLaren M16B/A - Offenhauser
26		Al Loquasto	Loquasto Racing	McLaren M16B - Offenhauser
29		Jerry Karl	Williams R Compton	McLaren M16C - Offenhauser
37		John Martin	Scientific Drilling Controls	McLaren M16E - Offenhauser
38		Tom Sneva	Jerry O'Connell Racing	McLaren M24 - Cosworth
41		Johnny Rutherford	McLaren Racing	McLaren M24B - Cosworth
47		Ken Nichols	Fiore Racing Enterprises	McLaren M16C/D - Offenhauser

1981
CLASSIFICA		PILOTA	TEAM	MODELLO
ASS.	CLASSE
		Jerry Karl	Williams R Compton	McLaren M16C - Chevrolet
		Phil Threshie	Mergard Racing	McLaren M24 - Chevrolet
		Tony Bettenhausen Jr.	Herb & Rose Wysard	McLaren M24 - Cosworth
		Vern Schuppan	Theodore Racing Team	McLaren M24 - Cosworth