Round	Race name	Date	Circuit	Laps	Winner
1	Jimmy Bryan 150	20/03/1966	Phoenix	150	Jim McElreath John Zink
2	Trenton 150	24/04/1966	Trenton	102	Rodger Ward Mecom Racing Enterprises
3	Indianapolis 500	30/05/1966	Indianapolis	200	Graham Hill Mecom Racing Enterprises
4	Rex Mays 100	05/06/1966	Milwaukee	100	Mario Andretti Dean Van Lines Racing Division
5	Langhorne 100	12/06/1966	Langhorne	100	Mario Andretti Dean Van Lines Racing Division
6	Atlanta 300	26/06/1966	Atlanta	200	Mario Andretti Dean Van Lines Racing Division
7	Pikes Peak	04/07/1966	Pikes Peak	1	Bobby Unser Bobby Unser
8	Hoosier Grand Prix	24/07/1966	Indianapolis Raceway Park	80	Mario Andretti Dean Van Lines Racing Division
9	Langhorne 150	07/08/1966	Langhorne	150	Roger McCluskey Lindsey Hopkins Racing
10	Tony Bettenhausen 100	20/08/1966	Springfield	100	Don Branson Leader Card Racers
11	Tony Bettenhausen 200	27/08/1966	Milwaukee	200	Mario Andretti Dean Van Lines Racing Division
12	Ted Horn Memorial/Du Quoin 100	05/09/1966	Du Quoin	100	Bud Tingelstad Federal Engineering
13	Hoosier 100	10/09/1966	Indiana State Fair	100	Mario Andretti Dean Van Lines Racing Division
14	Trenton 200	25/09/1966	Trenton	200	Mario Andretti Dean Van Lines Racing Division
15	Golden State 100	23/10/1966	Sacramento	100	Dick Atkins JC Agajanian
16	Bobby Ball 200	20/11/1966	Phoenix	200	Mario Andretti Dean Van Lines Racing Division

Driver	Standing	Team	Nationality	Points
Mario Andretti	1	Dean Van Lines Racing Division	USA	3070
Jim McElreath	2	John Zink	USA	2430
Gordon Johncock	3	Weinberger & Welseck Enterprises	USA	2050
Joe Leonard	4	All-American Racers	USA	1275
Al Unser	5	STP Oil Treatment	USA	1260
Bobby Unser	6	Gordon van Liew	USA	1210
Don Branson	7	Leader Card Racers	USA	1135
Chuck Hulse	8	Leader Card Racers	USA	1030
Graham Hill	9	Mecom Racing Enterprises	GBR	1000
Billy Foster	10	Jim Robbins	CAN	930
Bud Tingelstad	11	Federal Engineering	USA	870
Dick Atkins	12	Leader Card Racers	USA	815
Jim Clark	13	STP Gas Treatment	GBR	800
Roger McCluskey	14	Lindsey Hopkins Racing	USA	780
AJ Foyt jr	15	Ansted-Thompson Racing	USA	775
Mel Kenyon	16	Fred Gerhardt	USA	560
Rodger Ward	17	Mecom Racing Enterprises	USA	540
Al Smith	18	STP Gas Treatment	USA	420
Jackie Stewart	19	Mecom Racing Enterprises	GBR	400
Gary Congdon	20	Vatis Enterprises	USA	390
Arnie Knepper	21	DVS	USA	375
George Snider	22	Ansted-Thompson Racing	USA	365
Lloyd Ruby	23	All-American Racers	USA	355
Larry Dickson	24	Michner Petroleum	USA	320
Eddie Johnson	25	Vatis Enterprises	USA	300
Art Pollard	26	Mecom Racing Enterprises	USA	280
Bobby Grim	27	Racing Associates	USA	275
Ralph Liguori	28	DVS	USA	255
Sam Sessions	29	Ansted-Thompson Racing	USA	210
Carl Williams	29	Dayton-Walther	USA	210
Al Miller	31	Jerry Alderman Ford Sales	USA	190
Johnny Boyd	32	George R Bryant	USA	180
Greg Weld	32	Heger & Compton	USA	180
Jerry Grant	34	All-American Racers	USA	150
Ronnie Duman	35	J Frank Harrison	USA	140
Ron Lux	35	Dayton-Walther	USA	140
Bob Harkey	37	Federal Engineering	USA	135
Bruce Jacobi	38	Jerry Alderman Ford Sales	USA	100
Wes Vandervoort	39	STP Corporation	USA	80
Norm Brown	39	George R Bryant	USA	80
Bob Hurt	41	All-American Racers	USA	75
Bob Mathouser	41	Barnett Brothers	USA	75
Paul Kleinschmidt	43	Jim Robbins	USA	70
Chuck Arnold	44	J Frank Harrison	USA	60
Ted Foltz	44	Caves Buick	USA	60
Parnelli Jones	44	JC Agajanian	USA	60
Orville Nance	47	Pete Salemi	USA	50
John Hollansworth	48	Western Racing Associates	USA	45
Clyde McFarlin	49		USA	40
Wally Dallenbach	49		USA	40
Grier Manning	51	Jim Robbins	USA	30
Jack Hahn	52	Viking Racing	USA	25
Rick Vermillion	53		USA	20
Don Anderson	54		USA	15
Red Riegel	54		USA	15
Bob Lacey	56	JC Agajanian	USA	10
Clark Yowell	57		USA	5

1966 USAC National Championship