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International Race of Champions (IROC)

American Government Special Collections Reference Desk

Sports/Touring Car Racing Stock Car Racing

International Race of Champions (IROC)
Racing Series

A racing series where champions of other racing forms race against each other.  The first IROC race was in 1973.


Champions and Cars Used

SeasonChampionCar
1974Mark DonohuePorsche Carerra RSR
1975Bobby UnserChevrolet Camaro
1976A.J. FoytChevrolet Camaro


IROC 1:  1974

Season Standings

FinishNameSanctioning BodyEarnings
ChampionMark DonohueSCCA$54,000
2Peter RevsonSCCA$21,200
3Bobby UnserUSAC$19,100
4David PearsonNASCAR$14,600
5George FollmerSCCA$16,000
6A.J. FoytUSAC$9,900
7Emerson FittipaldiFIA$8,300
8Denis HulmeFIA$6,000
9Bobby AllisonNASCAR$5,400
10Richard PettyNASCAR$5,400
11Gordon JohncockUSAC$5,100
12Roger McCluskeyUSAC$5,000

Race 1

Riverside International Raceway
October 27, 1973
30 laps, 76.2 miles
Time of race:  45:07.750
Average speed:  101.309 mph
Margin of victory:  3.6 seconds
Lead changes:  0
Lap leaders:  Donohue (1-30)

FinishStartDriverLapsStatus
11Mark Donohue30Running
25Bobby Unser30Running
32Peter Revson30Running
412George Follmer30Running
54Denis Hulme30Running
66A.J. Foyt30Running
78Richard Petty30Running
810Roger McCluskey30Running
93David Pearson28Out (Oil leak)
109Gordon Johncock28Running
117Bobby Allison14Out (Transmission)
1211Emerson Fittipaldi9Out (Gas leak)

Race 2

Riverside International Raceway
October 27, 1973
30 laps, 76.2 miles
Time of race:  45:12.300
Average speed:  101.136 mph
Margin of victory:  14.680 seconds
Lead changes:  4

FinishStartDriverLapsStatus
19George Follmer30Running
24David Pearson30Running
31Emerson Fittipaldi30Running
410Peter Revson30Running
57A.J. Foyt30Running
611Bobby Unser30Running
72Bobby Allison30Running
88Denis Hulme30Running
93Gordon Johncock29Out (Oil leak)
106Richard Petty29Running
115Roger McCluskey14Out (Accident)
1212Mark Donohue9Out (Throttle linkage)

Race 3

Riverside International Raceway
October 28, 1973
30 laps, 76.2 miles
Time of race:  45:18.350
Average speed:  100.914 mph
Margin of victory:  2.8 seconds
Lead changes:  0
Lap leaders:  Donohue (1-30)

FinishStartDriverLapsStatus
11Mark Donohue30Running
27Bobby Unser30Running
310Emerson Fittipaldi30Running
411David Pearson30Running
512George Follmer30Running
68A.J. Foyt30Running
79Peter Revson30Running
85Denis Hulme30Running
96Bobby Allison20Out (Engine)
103Richard Petty19Out (Throttle linkage)
114Gordon Johncock9Out (Throttle linkage)
122Roger McCluskey8Out (Oil leak)

Race 4

Daytona International Raceway (3.81 mile road course)
February 14, 1974
25 laps, 93.94 miles
Time of race:  49:00.001
Average speed:  114.979 mph
Margin of victory:  8 seconds
Lead changes:  2

FinishStartDriverLapsStatus
11Mark Donohue25Running
22Peter Revson25Running
35Bobby Unser25Running
43David Pearson23Running
54George FollmerOut (Transmission)
66A.J. FoytOut (Engine)


IROC 2:  1975

Season Standings

FinishNameSanctioning BodyEarnings
ChampionBobby UnserUSAC$41,000
2A.J. FoytUSAC$27,600
3Cale YarboroughNASCAR$22,200
4Bobby AllisonNASCAR$20,400
5Emerson FittipaldiFIA$18,300
6David PearsonNASCAR$16,500
7George FollmerSCCA$15,300
8Ronnie PetersonFIA$12,300
9Johnny RutherfordUSAC$9,900
10Richard PettyNASCAR$6,000
11Graham HillFIA$5,400
12Jody ScheckterFIA$4,500

Race 1

Michigan International Speedway
September 14, 1974
50 laps, 100 miles
Average speed:  153.690 mph
Margin of victory:  2 seconds
Lead changes:  1

FinishStartDriverLapsStatus
16Bobby Unser50Running
28Cale Yarborough50Running
37David Pearson50Running
43Bobby Allison50Running
511George Follmer50Running
69Emerson Fittipaldi50Running
71Ronnie Peterson50Running
812Johnny Rutherford50Running
92A.J. Foyt38Out (Accident)
1010Richard Petty38Out (Accident)
114Graham Hill35Out (Ignition)
125Jody Scheckter16Out (Accident)

Race 2

Riverside International Raceway
October 26, 1974
30 laps, 76.2 miles
Time of race:  46:10.999
Average speed:  98.997 mph
Margin of victory:  3.729 seconds
Lead changes:  3

FinishStartDriverLapsStatus
17Emerson Fittipaldi30Running
28George Follmer30Running
34A.J. Foyt30Running
410David Pearson30Running
53Richard Petty30Running
61Jody Scheckter30Running
76Ronnie Peterson30Running
811Cale Yarborough30Running
95Johnny Rutherford30Running
102Graham Hill30Running
1112Bobby Unser29Running
129Bobby Allison0Out (Accident)

Race 3

Riverside International Raceway
October 27, 1974
30 laps, 76.2 miles
Time of race:  46:07.726
Average speed:  99.114 mph
Margin of victory:  3.149 seconds
Lead changes:  1

FinishStartDriverLapsStatus
1Bobby Allison30Running
2Bobby Unser30Running
3Emerson Fittipaldi30Running
4A.J. Foyt30Running
5George Follmer30Running
6Graham Hill30Running
7Johnny Rutherford30Running
8Ronnie Peterson30Running
9Cale Yarborough30Running
10Richard Petty29Running
11David Pearson19Out (Engine)
12Jody Scheckter6Out (Oil leak)

Race 4

Daytona International Raceway
February 14, 1975
40 laps, 100 miles
Time of race:  35:00.049
Average speed:  167.516 mph
Margin of victory:  2 feet
Lead changes:  12

FinishStartDriverLapsStatus
12Bobby Unser40Running
25A.J. Foyt40Running
37Cale Yarborough40Running
44Bobby Allison40Running
56David Pearson40Running
61Emerson Fittipaldi40Running
78Ronnie Peterson30Out (Accident)
83George Follmer3Out (Accident)
99Johnny Rutherford3Out (Accident)


IROC 3:  1976

IROC 3 was the first season the Championship was determined by the total points scored in all 4 races.

Season Standings

FinishNameSanctioning BodyEarnings
ChampionA.J. FoytUSAC$50,000
2Mario AndrettiSCCA$25,000
3Benny ParsonsNASCAR$25,000
4Bobby AllisonNASCAR$23,000
5David PearsonNASCAR$21,000
6Al UnserUSAC$15,000
7Bobby UnserUSAC$16,000
8Emerson FittipaldiFIA$11,000
9Brian RedmanSCCA$10,000
10Richard PettyNASCAR$5,000
11James HuntFIA$5,000
12Jody ScheckterFIA$5,000

Race 1

Michigan International Speedway
September 13, 1975
50 laps, 100 miles
Time of race:  40:20.6
Average speed:  148.725 mph
Margin of victory:  1/2 car length
Lead changes:  15

FinishStartDriverLapsStatus
17David Pearson50Running
211Bobby Allison50Running
34A.J. Foyt50Running
48Benny Parsons50Running
55Emerson Fittipaldi50Running
69Richard Petty50Running
710Brian Redman50Running
86Al Unser50Running
91Mario Andretti50Running
103Jody Scheckter50Running
112James Hunt49Running
1212Bobby Unser0DNS

Race 2

Riverside International Raceway
October 25, 1975
30 laps, 76.2 miles
Time of race:  53:09.807
Average speed:  85.998 mph
Margin of victory:  3.879 seconds
Lead changes:  0

FinishStartDriverLapsStatus
11Bobby Unser30Running
210A.J. Foyt30Running
34Mario Andretti30Running
48Emerson Fittipaldi30Running
59Benny Parsons30Running
67Richard Petty29Running
73Jody Scheckter28Running
86Brian Redman23Out (Accident)
95Al Unser20Out (Ignition)
1012David Pearson20Out (Ignition)
1111Bobby Allison8Out (Engine)
122James Hunt5Out (Gearbox)

Race 3

Riverside International Raceway
October 26, 1975
30 laps, 76.2 miles
Time of race:  45:54.124
Average speed:  99.603 mph
Margin of victory:  .534 seconds
Lead changes:  1

FinishStartDriverLapsStatus
12Bobby Allison30Running
24Al Unser30Running
311A.J. Foyt30Running
410Mario Andretti30Running
512Bobby Unser30Running
61James Hunt30Running
75Brian Redman30Running
83David Pearson30Running
98Benny Parsons30Running
106Jody Scheckter27Out (Tire)
117Richard Petty23Out (Accident)
129Emerson Fittipaldi18Out (Accident)

Race 4

Daytona International Raceway
February 13, 1976
40 laps, 100 miles
Time of race:  35:00.041
Average speed:  168.146 mph
Margin of victory:  One car length
Lead changes:  24

FinishStartDriverLapsStatus
12Benny Parsons40Running
27A.J. Foyt40Running
36Mario Andretti40Running
43David Pearson40Running
58Al Unser40Running
61Emerson Fittipaldi36Out (Engine)
79Bobby Allison28Out (Oil leak)
85Bobby Unser23Out (Engine)
94Brian Redman1Out (Transmission)


IROC 9:  1985

Race 4




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