1971 (Champion: Peter Gregg/Hurley Haywood)
1. Virginia, Apr 18-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 914
2. Talladega, May 15-Or Costanzo (USA)/Dave Heinz (USA)-Chevrolet Corvette
3. Charlotte, May 23-Or Costanzo (USA)/Dave Heinz (USA)-Chevrolet Corvette
4. Bridgehampton, Jun 27-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 914
5. Summit Point, Sep 19-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 914
6. Daytona, Nov 21-Dave Heinz (USA)/Don Yenko (USA)-Chevrolet Corvette
1972 (Champion: Hurley Haywood)
1. Texas, Dec 4 ’71-Juan Izquierdo (MEX)/Daniel Muniz (MEX)-Ford Mustang
2. Daytona, Apr 1-Charlie Kemp (USA)/Wilbur Pickett (USA)-Chevrolet Corvette
3. Virginia, Apr 16-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 911
4. Lime Rock, May 29-Bob Bailey (USA)/Jim Locke (USA)-Porsche 911
5. Brainerd, Jun 11-Denny Long (USA)-Chevrolet Corvette
6. Mid-Ohio, Jul 9-Bob Beasley (USA)/Michael Keyser (USA)-Porsche 911
7. Talladega, Aug 5-Wilbur Pickett (USA)-Chevrolet Corvette
8. Watkins Glen, Sep 10-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 911
9. Bryar, Sep 24-Maurice Carter (CDN)/Paul Nichter (USA)-Chevrolet Camaro
10. Daytona, Nov 19-Gene Felton (USA)-Chevrolet Camaro
1973 (Champion: Peter Gregg)
1. Sebring 12 Hours, Mar 24-Peter Gregg (USA)/Hurley Haywood (USA)/Dave Helmick (USA)-Porsche 911
2. Daytona, Apr 21-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 911
3. Pocono, Jun 10-Maurice Carter (USA)/Tony DeLorenzo (USA)-Chevrolet Camaro
4. Daytona, Jul 4-Gene Felton (USA)-Chevrolet Camaro
5. Mid-Ohio, Jul 15-Bob Beasley (USA)/Michael Keyser (USA)-Porsche 911
6. Lime Rock, Race 1 (Sep 15)-Michael Keyser (USA)-Porsche 911
7. Lime Rock, Race 2 (Sep 15)-Peter Gregg (USA)-Porsche 911
8. Road Atlanta, Sep 30-Peter Gregg (USA)-Porsche 911
9. Indianapolis Raceway Park, Oct 14-Peter Gregg (USA)-Porsche 911
10. Daytona, Nov 25-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 911
1974 (Champion: Peter Gregg)
1. Road Atlanta, Apr 21-Elliott Forbes-Robinson (USA)/Al Holbert (USA)-Porsche 911
2. Laguna Seca, Race 1 (May 12)-Elliott Forbes-Robinson (USA)-Porsche 911
3. Laguna Seca, Race 2 (May 12)-Milt Minter (USA)-Porsche 911
4. Ontario, May 19-Peter Gregg (USA)-Porsche 911
5. Mid-Ohio, Jun 30-Peter Gregg (USA)/Al Holbert (USA)-Porsche 911
6. Daytona, Jul 4-Hurley Haywood (USA)-Porsche 911
7. Talladega, Aug 10-Milt Minter (USA)-Chevrolet Corvette
8. Charlotte, Aug 18-Peter Gregg (USA)-Porsche 911
9. Lime Rock, Race 1 (Sep 2)-Peter Gregg (USA)-Porsche 911
10. Lime Rock, Race 2 (Sep 2)-Michael Keyser (USA)-Porsche 911
11. Mexico City, Oct 20-Hector Rebaque (MEX)/Guillermo Rojas (MEX)/Fred van Beuren (MEX)-Porsche 911
12. Daytona, Dec 1-John Greenwood (USA)-Porsche 911
1975 (Champion: Peter Gregg)
1. Daytona 24 Hours, Feb 1-2-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 911
2. Sebring 12 Hours, Mar 21-Allan Moffat (CDN)/Sam Posey (USA)/Brian Redman (GB)/Hans-Joachim Stuck (D)-BMW 3.0 CSL
3. Road Atlanta, Race 1 (Apr 20)-Peter Gregg (USA)-Porsche 911
4. Road Atlanta, Race 2 (Apr 20)-Al Holbert (USA)-Porsche 911
5. Laguna Seca, Race 1 (May 4)-Peter Gregg (USA)-Porsche 911
6. Laguna Seca, Race 2 (May 4)-Hans-Joachim Stuck (D)-BMW 3.0 CSL
7. Riverside, May 10-Dieter Quester (A)/Hans-Joachim Stuck (D)-BMW 3.0 CSL
8. Lime Rock, Race 1 (May 26)-Peter Gregg (USA)-Porsche 911
9. Lime Rock, Race 2 (May 26)-Al Holbert (USA)-Porsche 911
10. Mid-Ohio, Jun 1-Al Holbert (USA)-Porsche 911
11. Mosport, Jun 14-Hurley Haywood (USA)-Porsche 911
12. Daytona, Jul 4-Hans-Joachim Stuck (D)-BMW 3.0 CSL
13. Mid-America, Race 1 (Jul 20)-Al Holbert (USA)-Porsche 911
14. Mid-America, Race 2 (Jul 20)-Al Holbert (USA)-Porsche 911
15. Talladega, Aug 9-Hans-Joachim Stuck (D)-BMW 3.0 CSL
16. Mid-Ohio, Aug 24-Elliott Forbes-Robinson (USA)/Al Holbert (USA)-Porsche 911
17. Daytona, Nov 30-John Greenwood (USA)-Porsche 911
1976 (Champion: Al Holbert)
1. Daytona 24 Hours, Jan 31-Feb 1-John Fitzpatrick (GB)/Peter Gregg (USA)/Brian Redman (GB)-BMW 3.0 CSL
2. Sebring 12 Hours, Mar 20-Al Holbert (USA)/Michael Keyser (USA)-Porsche 911
3. Road Atlanta, Apr 11-Al Holbert (USA)-Chevrolet Monza
4. Laguna Seca, May 2-Al Holbert (USA)-Chevrolet Monza
5. Ontario, May 9-Jim Busby (USA)-Porsche 911
6. Lime Rock, May 31-George Dyer (USA)-Porsche 911
7. Mid-Ohio, Jun 6-Michael Keyser (USA)-Chevrolet Monza
8. Daytona, Jul 4-Al Holbert (USA)-Chevrolet Monza
9. Sears Point, Jul 25-Jim Busby (USA)-Porsche 911
10. Talladega, Aug 7-Peter Gregg (USA)-BMW 3.5 CSL
11. Pocono, Aug 15-Al Holbert (USA)-Chevrolet Monza
12. Mid-Ohio, Aug 29-Jim Busby (USA)-Porsche 911
13. Road Atlanta, Sep 19-Al Holbert (USA)-Chevrolet Monza
14. Laguna Seca, Oct 3-Jim Busby (USA)-Porsche 911
15. Daytona, Nov 28-Michael Keyser (USA)-Chevrolet Monza
1977 (Champion: Al Holbert)
1. Daytona 24 Hours, Feb 5-6-John Graves (USA)/Hurley Haywood (USA)/Dave Helmick (USA)-Porsche 911
2. Sebring 12 Hours, Mar 19-George Dyer (USA)/Brad Frisselle (USA)-Porsche 911
3. Road Atlanta, Apr 17-Al Holbert (USA)-Chevrolet Monza
4. Laguna Seca, May 1-Danny Ongais (USA)-Porsche 934
5. Mid-America, May 15-Al Holbert (USA)-Chevrolet Monza
6. Lime Rock, May 30-Al Holbert (USA)-Chevrolet Monza
7. Mid-Ohio, Jun 5-David Hobbs (GB)-BMW 320i
8. Brainerd, Jun 19-Danny Ongais (USA)-Porsche 934
9. Daytona, Jul 4-George Dyer (USA)-Porsche 934
10. Sears Point, Jul 31-David Hobbs (GB)-BMW 320i
11. Pocono, Aug 14-Al Holbert (USA)-Chevrolet Monza
12. Mid-Ohio, Aug 28-Peter Gregg (USA)-Porsche 935
13. Road Atlanta, Sep 5-David Hobbs (GB)-BMW 320i
14. Laguna Seca, Oct 9-David Hobbs (GB)-BMW 320i
15. Daytona, Nov 27-Hurley Haywood (USA)-Porsche 934
1978 (Champion: Peter Gregg)
1. Daytona 24 Hours, Feb 4-5-Peter Gregg (USA)/Toine Hezemans (NL)-Rolf Stommelen (D)-Porsche 935
2. Sebring 12 Hours, Mar 18-Bob Garretson (USA)/Charles Mendez (USA)/Brian Redman (GB)-Porsche 935
3. Talladega, Apr 2-Brad Frisselle (USA)/Peter Gregg (USA)-Porsche 935
4. Road Atlanta, Apr 16-Peter Gregg (USA)-Porsche 935
5. Laguna Seca, Apr 30-George Follmer (USA)-Porsche 935
6. Hallett, May 7-David Hobbs (GB)-BMW 320i
7. Lime Rock, May 29-Peter Gregg (USA)-Porsche 935
8. Brainerd, Jun 18-Peter Gregg (USA)-Porsche 935
9. Daytona, Jul 4-Peter Gregg (USA)-Porsche 935
10. Sears Point, Jul 30-David Hobbs (GB)-BMW 320i
11. Portland, Aug 6-Peter Gregg (USA)-Porsche 935
12. Mid-Ohio, Aug 27-Jim Busby (USA)/Bill Whittington (USA)-Porsche 935
13. Road Atlanta, Sep 4-Peter Gregg (USA)-Porsche 935
14. Daytona, Nov 26-Peter Gregg (USA)-Porsche 935
1979 (Champion: Peter Gregg)
1. Daytona 24 Hours, Feb 3-4-Ted Field (USA)/Hurley Haywood (USA)/Danny Ongais (USA)-Porsche 935
2. Sebring 12 Hours, Mar 17-Bob Akin (USA)/Rob McFarlin (USA)/Roy Woods (USA)-Porsche 935
3. Road Atlanta, Apr 8-Peter Gregg (USA)-Porsche 935
4. Riverside, Apr 22-Bill Whittington (USA)/Don Whittington (USA)-Porsche 935
5. Laguna Seca, Apr 29-Peter Gregg (USA)-Porsche 935
6. Hallett, May 13-David Hobbs (GB)-BMW 320i
7. Lime Rock, May 28-Peter Gregg (USA)-Porsche 935
8. Brainerd, Jun 17-Peter Gregg (USA)-Porsche 935
9. Daytona, Jul 1-Hurley Haywood (USA)/Charles Mendez (USA)-Porsche 935
10. Mid-Ohio, Jul 15-Peter Gregg (USA)/Hurley Haywood (USA)-Porsche 935
11. Sears Point, Jul 29-Peter Gregg (USA)-Porsche 935
12. Portland, Aug 5-Peter Gregg (USA)-Porsche 935
13. Road America, Sep 2-Derek Bell (GB)/David Hobbs (GB)-BMW 320i
14. Road Atlanta, Sep 23-Peter Gregg (USA)-Porsche 935
15. Daytona, Nov 25-Bill Whittington (USA)-Porsche 935
1980 (Champion: John Fitzpatrick)
1. Daytona 24 Hours, Feb 2-3-Reinhold Joest (D)/Volkert Merl (D)/Rolf Stommelen (D)-Porsche 935
2. Sebring 12 Hours, Mar 22-Dick Barbour (USA)/John Fitzpatrick (GB)-Porsche 935
3. Road Atlanta, Apr 13-Bill Whittington (USA)-Porsche 935
4. Riverside, Apr 27-Dick Barbour (USA)/John Fitzpatrick (GB)-Porsche 935
5. Laguna Seca, May 4-John Fitzpatrick (GB)-Porsche 935
6. Lime Rock, May 26-John Paul Jr (USA)/John Paul Sr (USA)-Porsche 935
7. Daytona, Jul 4-John Fitzpatrick (GB)-Porsche 935
8. Sears Point, Jul 27-John Fitzpatrick (GB)-Porsche 935
9. Portland, Aug 3-John Fitzpatrick (GB)-Porsche 935
10. Mosport (CDN), Aug 17-John Fitzpatrick (GB)/Brian Redman (GB)-Porsche 935
11. Road America, Aug 31-John Paul Jr (USA)/John Paul Sr (USA)-Porsche 935
12. Road Atlanta, Race 1 (Sep 21)-John Fitzpatrick (GB)-Porsche 935
13. Road Atlanta, Race 2 (Sep 21)-Gianpiero Moretti (I)-Porsche 935
14. Daytona, Nov 30-Reinhold Joest (D)/Giampiero Moretti (I)-Porsche 935
1981 (Champion: Brian Redman)
1. Daytona 24 Hours (USA), Feb 1-Bob Garretson (USA)/Bobby Rahal (USA)/Brian Redman (GB)-Porsche 935
2. Sebring 12 Hours (USA), Mar 21-Bruce Leven (USA)/Hurley Haywood (USA)/Al Holbert (USA)-Porsche 935
3. Road Atlanta (USA), Apr 12-John Fitzpatrick (GB)-Porsche 935
4. Riverside (USA), Apr 26-Jim Busby (USA)/John Fitzpatrick (GB)-Porsche 935
5. Laguna Seca (USA), May 3-Brian Redman (GB)-Lola T600-Chevrolet
6. Lime Rock (USA), May 24-Brian Redman (GB)-Lola T600-Chevrolet
7. Mid-Ohio (USA), May 31-Brian Redman (GB)-Lola T600-Chevrolet
8. Brainerd (USA), Jun 14-Klaus Ludwig (D)-Ford Mustang
9. Daytona (USA), Jul 5-Mauricio de Narvaez (COL)/Hurley Haywood (USA)-Porsche 935
10. Sears Point (USA), Jul 26-Klaus Ludwig (D)-Ford Mustang
11. Portland (USA), Aug 2-Brian Redman (GB)-Lola T600-Chevrolet
12. Mosport (CDN), Aug 16-Harald Grohs (D)/Rolf Stommelen (D)-Porsche 935
13. Road America (USA), Aug 23-Harald Grohs (D)/Rolf Stommelen (D)-Porsche 935
14. Road Atlanta (USA), Sep 13-Brian Redman (GB)-Lola T600-Chevrolet
15. Pocono (USA), Sep 27-John Paul Jr (USA)/John Paul Sr (USA)-Porsche 935
16. Daytona (USA), Nov 29-John Paul Jr (USA)-Porsche 935
1982 (Champion: John Paul Jr)
1. Daytona 24 Hours (USA), Jan 31-John Paul Jr (USA)/John Paul Sr (USA)/Rolf Stommelen (D)-Porsche 935
2. Sebring 12 Hours (USA), Mar 20-John Paul Jr (USA)/John Paul Sr (USA)-Porsche 935
3. Road Atlanta (USA), Apr 4-John Paul Jr (USA)-Porsche 935
4. Riverside (USA), Apr 25-Ted Field (USA)/Bill Whittington (USA)-Lola T600-Chevrolet
5. Laguna Seca (USA), May 2-John Paul Jr (USA)-Lola T600-Chevrolet
6. Charlotte (USA), May 16-John Paul Jr (USA)/John Paul Sr (USA)-Porsche 935
7. Mid-Ohio (USA), May 23-John Fitzpatrick (GB)-Porsche 935
8. Lime Rock (USA), May 31-John Fitzpatrick (GB)-Porsche 935
9. Daytona (USA), Jul 3-Ted Field (USA)/Danny Ongais (USA)-Lola T600-Chevrolet
10. Brainerd (USA), Jul 11-John Paul Jr (USA)-Porsche 935
11. Sears Point (USA), Jul 25-Klaus Ludwig (D)-Ford Mustang
12. Portland (USA), Aug 1-John Paul Jr (USA)-Porsche 935
13. Mosport (CDN), Aug 15-John Paul Jr (USA)/John Paul Sr (USA)-Porsche 935
14. Road America (USA), Aug 22-John Fitzpatrick (GB)/David Hobbs (GB)-Porsche 935
15. Mid-Ohio (USA), Sep 5-John Fitzpatrick (GB)/David Hobbs (GB)-Porsche 935
16. Road Atlanta (USA), Sep 12-John Paul Jr (USA)/John Paul Sr (USA)-Porsche 935
17. Pocono (USA), Sep 26-Ted Field (USA)/Danny Ongais (USA)-Lola T600-Chevrolet
18. Daytona (USA), Nov 28-Ted Field (USA)/Danny Ongais (USA)-Lola T600-Chevrolet
1983 (Champion: Al Holbert)
1. Daytona 24H (USA), Feb 6-Claude Ballot-Lena (F)/AJ Foyt (USA)/Preston Henn (USA)/Bob Wollek (F)-Porsche 935
2. Miami (USA), Feb 27-Al Holbert (USA)-March 83G-Chevrolet
3. Sebring 12 Hours (USA), Mar 19-Wayne Baker (USA)/Jim Mullen (USA)/Kees Nierop (USA)-Porsche 934
4. Road Atlanta (USA), Apr 10-Bill Adam (CDN)/Bob Tullius (USA)-Jaguar XJR-5
5. Riverside (USA), Apr 24-Derek Bell (USA)/John Fitzpatrick (GB)/David Hobbs (GB)-Porsche 935
6. Laguna Seca (USA), May 1-Al Holbert (USA)-March 83G-Chevrolet
7. Charlotte (USA), May 15-Al Holbert (USA)/Jim Trueman (USA)-March 83G-Chevrolet
8. Lime Rock (USA), May 30-Bill Adam (CDN)/Bob Tullius (USA)-Jaguar XJR-5
9. Mid-Ohio (USA), Jun 19-Doc Bundy (USA)/Bobby Rahal (USA)/Jim Trueman (USA)-March 83G-Chevrolet
10. Daytona (USA), Jul 4-AJ Foyt (USA)/Hurley Haywood (USA-Porsche 935
11. Brainerd (USA), Jul 10-Al Holbert (USA)/Jim Trueman (USA)-March 83G-Chevrolet
12. Sears Point (USA), Jul 24-Al Holbert (USA)/Jim Trueman (USA)-March 83G-Chevrolet
13. Portland (USA), Jul 31-Al Holbert (USA)-March 83G-Chevrolet
14. Mosport (CDN), Aug 14-Bill Adam (CDN)/Bob Tullius (USA)-Jaguar XJR-5
15. Road America (USA), Aug 21-Tim Coconis (USA)/Klaus Ludwig (D)-Ford Mustang GTP
16. Pocono (USA), Sep 11-Doc Bundy (USA)/Bob Tullius (USA)-Jaguar XJR-5
17. Daytona (USA), Nov 27-Al Holbert (USA)/Jim Trueman (USA)-March 83G-Chevrolet
1984 (Champion: Randy Lanier)
1. Daytona 24 Hours (USA), Feb 5-Graham Duxbury (ZA)/Tony Martin (ZA)/Sarel van der Merwe (ZA)-March 83G-Porsche
2. Miami (USA), Feb 26-Doc Bundy (USA)/Brian Redman (GB)-Jaguar XJR-5
3. Sebring 12 Hours (USA), Mar 24-Mauricio de Narvaez (COL)/Hans Heyer (D)/Stefan Johansson (S)-Porsche 935
4. Road Atlanta (USA), Apr 8-Don Whittington (USA)-March 84G-Chevrolet
5. Riverside (USA), Apr 29-Randy Lanier (USA)/Bill Whittington (USA)-March 84G-Chevrolet
6. Laguna Seca (USA), May 6-Randy Lanier (USA)-March 84G-Chevrolet
7. Charlotte (USA), May 20-Randy Lanier (USA)/Bill Whittington (USA)-March 84G-Chevrolet
8. Lime Rock (USA), May 28-Sarel van der Merwe (ZA)-March 83G-Porsche
9. Mid-Ohio (USA), Jun 10-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
10. Watkins Glen (USA), Jul 8-Jim Adams (USA)/Derek Bell (GB)/Al Holbert (USA)-Porsche 962
11. Portland (USA), Jul 29-Randy Lanier (USA)/Bill Whittington (USA)-March 84G-Chevrolet
12. Sears Point (USA), Aug 5-Bill Whittington (USA)-March 83G-Chevrolet
13. Road America (USA), Aug 26-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
14. Pocono (USA), Sep 9-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
15. Michigan (USA), Sep 16-Randy Lanier (USA)/Bill Whittington (USA)-March 84G-Chevrolet
16. Watkins Glen (USA), Sep 30-Randy Lanier (USA)/Dale Whittington (USA)-March 83G-Chevrolet
17. Daytona (USA), Nov 25-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
1985 (Champion: Al Holbert)
1. Daytona 24 Hours (USA), Feb 3-Thierry Boutsen (B)/AJ Foyt (USA)/Al Unser (USA)/Bob Wollek (F)-Porsche 962
2. Miami (USA), Feb 24-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
3. Sebring 12 Hours (USA), Mar 23-AJ Foyt (USA)/Bob Wollek (F)-Porsche 962
4. Road Atlanta (USA), Apr 14-Hurley Haywood (USA)/Brian Redman (GB)-Jaguar XJR-5
5. Riverside (USA), Apr 28-Pete Halsmer (USA)/John Morton (USA)-Porsche 962
6. Laguna Seca (USA), May 5-Al Holbert (USA)-Porsche 962
7. Charlotte (USA), May 19-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
8. Lime Rock (USA), May 27-Drake Olson (USA)-Porsche 962
9. Mid-Ohio (USA), Jun 9-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
10. Watkins Glen (USA), Jul 7-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
11. Portland (USA), Jul 28-Al Holbert (USA)-Porsche 962
12. Sears Point (USA), Aug 4-Bob Wollek (F)-Porsche 962
13. Road America (USA), Aug 25-Drake Olson (USA)/Bobby Rahal (USA)-Porsche 962
14. Pocono (USA), Sep 8-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
15. Watkins Glen (USA), Sep 29-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
16. Columbus (USA), Oct 6-Drake Olson (USA)/Price Cobb (USA)-Porsche 962
17. Daytona (USA), Dec 1-Al Holbert (USA)/Al Unser Jr (USA)-Porsche 962
1986 (Champion: Al Holbert)
1. Daytona 24 Hours (USA), Feb 2-Derek Bell (GB)/Al Holbert (USA)/Al Unser Jr (USA)-Porsche 962
2. Miami (USA), Mar 2-Paolo Barilla (I)/Bob Wollek (GB)-Porsche 962
3. Sebring 12 Hours (USA), Mar 22-Bob Akin (USA)/Jo Gartner (A)/Hans-Joachim Stuck (D)-Porsche 962
4. Road Atlanta (USA), Apr 6-Doc Bundy (USA)/Sarel van der Merwe (ZA)-Lola T710-Chevrolet
5. Riverside (USA), Apr 27-Price Cobb (USA)/Rob Dyson (USA)-Porsche 962
6. Laguna Seca (USA), May 4-Klaus Ludwig (D)-Ford Mustang
7. Charlotte (USA), May 18-Price Cobb (USA)/Drake Olson (USA)-Porsche 962
8. Lime Rock (USA), May 26-Al Holbert (USA)-Porsche 962
9. Mid-Ohio (USA), Jun 8-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
10. West Palm Beach (USA), Jun 22-Doc Bundy (USA)/Sarel van der Merwe (ZA)-Lola T86/10-Chevrolet
11. Watkins Glen (USA), Jul 6-Derek Bell (GB)/Al Holbert (USA)-Porsche 962
12. Portland (USA), Jul 27-Al Holbert (USA)-Porsche 962
13. Sears Point (USA), Aug 3-Price Cobb (USA)/Rob Dyson (USA)-Porsche 962
14. Road America (USA), Aug 24-Al Holbert (USA)/Al Unser Jr (USA)-Porsche 962
15. Watkins Glen (USA), Sep 21-John Andretti (USA)/Davy Jones (USA)-March 86G-BMW
16. Columbus (USA), Oct 5-Scott Pruett (USA)/Bob Wollek (F)-Porsche 962
17. Daytona (USA), Oct 27-Chip Robinson (USA)/Bob Tullius (USA)-Jaguar XJR-7
1987 (Champion: Chip Robinson)
1. Daytona 24 Hours (USA), Feb 1-Derek Bell (GB)/Al Holbert (USA)/Chip Robinson (USA)/Al Unser Jr (USA)-Porsche 962
2. Miami (USA), Mar 1-Geoff Brabham (AUS)/Elliott Forbes-Robinson (USA)-Lola T810-Nissan
3. Sebring 12 Hours (USA), Mar 21-Jochen Mass (D)/Bobby Rahal (USA)-Porsche 962
4. Road Atlanta (USA), Apr 12-Price Cobb (USA)/James Weaver (GB)-Porsche 962
5. Riverside (USA), Apr 26-John Morton (USA)/Hurley Haywood (USA)-Jaguar XJR-7
6. Laguna Seca (USA), May 3-Klaus Ludwig (D)-Porsche 962
7. Lime Rock (USA), May 24-Al Holbert (USA)-Porsche 962
8. Mid-Ohio (USA), Jun 7-Jochen Mass (D)/Bobby Rahal (USA)-Porsche 962
9. West Palm Beach (USA), Jun 21-John Morton (USA)/Hurley Haywood (USA)-Jaguar XJR-7
10. Watkins Glen (USA), Jul 5-Price Cobb (USA)/Vern Schuppan (AUS)-Porsche 962
11. Portland (USA), Jul 26-Chip Robinson (USA)-Porsche 962
12. Sears Point (USA), Aug 2-Jochen Mass (D)-Porsche 962
13. Road America (USA), Aug 16-Price Cobb (USA)/Johnny Dumfries (GB)-Porsche 962
14. San Antonio (USA), Sep 6-Derek Bell (GB)/Al Holbert (USA)/Chip Robinson (USA)-Porsche 962
15. Columbus (USA), Oct 4-Bobby Rahal (USA)-Porsche 962
16. Del Mar (USA), Oct 25-Jochen Mass (D)-Porsche 962
1988 (Champion: Geoff Brabham)
1. Daytona 24H (USA), Jan 31-Raul Boesel (BR)/Martin Brundle (GB)/Jan Lammers (NL)/John Nielsen (DK)-Jaguar XJR-9
2. Miami (USA), Feb 28-Price Cobb (USA)/James Weaver (GB)-Porsche 962
3. Sebring 12 Hours (USA), Mar 19-Klaus Ludwig (D)/Hans-Joachim Stuck (D)-Porsche 962
4. Road Atlanta (USA), Apr 10-Geoff Brabham (AUS)/John Morton (USA)-Nissan ZX-T
5. West Palm Beach (USA), Apr 24-Geoff Brabham (AUS)/John Morton (USA)-Nissan ZX-T
6. Lime Rock (USA), May 30-Geoff Brabham (AUS)-Nissan ZX-T
7. Mid-Ohio (USA), Jun 5-Geoff Brabham (AUS)/Tom Gloy (USA)-Nissan ZX-T
8. Watkins Glen (USA), Jul 3-Geoff Brabham (AUS)/John Morton (USA)-Nissan ZX-T
9. Road America (USA), Jul 17-Geoff Brabham (AUS)/John Morton (USA)-Nissan ZX-T
10. Portland (USA), Jul 31-Geoff Brabham (AUS)-Nissan ZX-T
11. Sears Point (USA), Aug 14-Geoff Brabham (AUS)-Nissan ZX-T
12. San Antonio (USA), Sep 4-Price Cobb (USA)/James Weaver (GB)-Porsche 962
13. Columbus (USA), Oct 2-Geoff Brabham (AUS)-Nissan ZX-T
14. Del Mar (USA), Oct 23-Martin Brundle (GB)/Jan Lammers (NL)-Jaguar XJR-9
1989 (Champion: Geoff Brabham)
1. Daytona 24 Hours (USA), Feb 5-John Andretti (USA)/Derek Bell (GB)/Bob Wollek (F)-Porsche 962
2. Miami (USA), Mar 5-Geoff Brabham (AUS)/Chip Robinson (USA)-Nissan ZX-T
3. Sebring 12 Hours (USA), Mar 18-Geoff Brabham (AUS)/Arie Luyendyk (NL)/Chip Robinson (USA)-Nissan ZX-T
4. Road Atlanta (USA), Apr 2-Geoff Brabham (AUS)/Chip Robinson (USA)-Nissan ZX-T
5. West Palm Beach (USA), Apr 23-John Andretti (USA)/Bob Wollek (F)-Porsche 962
6. Lime Rock (USA), May 29-Geoff Brabham (AUS)-Nissan ZX-T
7. Mid-Ohio (USA), Jun 4-Geoff Brabham (AUS)/Chip Robinson (USA)-Nissan ZX-T
8. Watkins Glen (USA), Jul 2-Geoff Brabham (AUS)/Chip Robinson (USA)-Nissan ZX-T
9. Road America (USA), Jul 16-Geoff Brabham (AUS)/Chip Robinson (USA)-Nissan ZX-T
10. Portland (USA), Jul 30-Price Cobb (USA)/Jan Lammers (NL)-Jaguar XJR-10
11. Topeka (USA), Aug 13-Geoff Brabham (AUS)-Nissan ZX-T
12. San Antonio (USA), Sep 3-Chip Robinson (USA)-Nissan ZX-T
13. Sears Point (USA), Sep 10-Geoff Brabham (AUS)-Nissan ZX-T
14. Tampa (USA), Oct 1-Price Cobb (USA)-Jaguar XJR-9
15. Del Mar (USA), Oct 22-Jan Lammers (NL)-Jaguar XJR-10
1990 (Champion: Geoff Brabham)
1. Daytona 24 Hours (USA), Feb 4-Davy Jones (USA)/Jan Lammers (NL)/Andy Wallace (GB)-Jaguar XJR-12
2. Miami (USA), Feb 25-Geoff Brabham (AUS)/Bob Earl (USA)/Chip Robinson (USA)-Nissan ZX-T
3. Sebring 12 Hours (USA), Mar 17-Derek Daly (IRL)/Bob Earl (USA)-Nissan ZX-T
4. Road Atlanta (USA), Apr 1-Geoff Brabham (AUS)/Derek Daly (IRL)-Nissan ZX-T
5. West Palm Beach (USA), Apr 22-Geoff Brabham (AUS)/Derek Daly (IRL)-Nissan ZX-T
6. Topeka (USA), May 6-Juan Manuel Fangio II (ARG)-Eagle HF89-Toyota
7. Lime Rock (USA), May 28-Price Cobb (USA)/John Nielsen (DK)-Jaguar XJR-10
8. Mid-Ohio (USA), Jun 3-Geoff Brabham (AUS)/Derek Daly (IRL)-Nissan NPT-90
9. Watkins Glen (USA), Jul 1-Bob Earl (USA)/Chip Robinson (USA)-Nissan NPT-90
10. Sears Point (USA), Jul 15-Juan Manuel Fangio II (ARG)-Eagle HF89-Toyota
11. Portland (USA), Jul 29-Davy Jones (USA)-Jaguar XJR-10
12. Road America (USA), Aug 19-Geoff Brabham (AUS)-Nissan NPT-90
13. San Antonio (USA), Sep 2-Juan Manuel Fangio II (ARG)-Eagle HF90-Toyota
14. Tampa (USA), Sep 30-James Weaver (GB)-Porsche 962
15. Del Mar (USA), Nov 11-Juan Manuel Fangio II (ARG)-Eagle HF89-Toyota
1991 (Champion: Geoff Brabham)
1. Daytona 24H (USA), Feb 3-Hurley Haywood (USA)/Frank Jelinski (D)/Henri Pescarolo (F)/John Winter (D)/Bob Wollek (F)-Porsche 962
2. West Palm Beach (USA), Mar 3-Davy Jones (USA)-Jaguar XJR-10
3. Sebring 12 Hours (USA), Mar 16-Gary Brabham (AUS)/Geoff Brabham (AUS)/Derek Daly (IRL)-Nissan NPT-90
4. Miami (USA), Apr 7-Raul Boesel (BR)-Jaguar XJR-10
5. Road Atlanta (USA), Apr 28-Davy Jones (USA)-Jaguar XJR-16
6. Topeka (USA), May 5-Chip Robinson (USA)-Nissan NPT-91
7. Lime Rock (USA), May 26-Chip Robinson (USA)-Nissan NPT-91
8. Mid-Ohio (USA), Jun 2-Davy Jones (USA)-Jaguar XJR-16
9. New Orleans (USA), Jun 16-Wayne Taylor (ZA)-Intrepid RM-1-Chevrolet
10. Watkins Glen (USA), Jun 30-Juan Manuel Fangio II (ARG)-Eagle HF90-Toyota
11. Laguna Seca (USA), Jul 21-Davy Jones (USA)-Jaguar XJR-16
12. Portland (USA), Jul 28-Juan Manuel Fangio II (ARG)-Eagle MKIII-Toyota
13. Road America (USA), Aug 25-Davy Jones (USA)-Jaguar XJR-16
14. Del Mar (USA), Oct 13-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
1992 (Champion: Juan Manuel Fangio II)
1. Daytona 24 Hours (USA), Jan 2-Masahiro Hasemi (J)/Kazuyoshi Hoshino (J)/Toshio Suzuki (J)-Nissan R91CP
2. Miami (USA), Feb 23-Geoff Brabham (AUS)-Nissan NPT-91A
3. Sebring 12 Hours (USA), Mar 21-Juan Manuel Fangio II (ARG)/Andy Wallace (GB)-Eagle MkIII-Toyota
4. Road Atlanta (USA), Apr 26-Davy Jones (USA)-Jaguar XJR-14
5. Lime Rock (USA), May 25-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
6. Mid-Ohio (USA), May 31-Davy Jones (USA)-Jaguar XJR-14
7. New Orleans (USA), Jun 14-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
8. Watkins Glen (USA), Jun 28-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
9. Laguna Seca (USA), Jul 19-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
10. Portland (USA), Jul 26-PJ Jones (USA)-Eagle MkIII-Toyota
11. Road America (USA), Aug 9-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
12. Phoenix (USA), Oct 4-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
13. Del Mar (USA), Oct 11-PJ Jones (USA)-Eagle MkIII-Toyota
1993 (Champion: Juan Manuel Fangio II)
1. Daytona 24 Hours (USA), Jan 31-Mark Dismore (USA)/PJ Jones (USA)/Rocky Moran (USA)-Eagle MkIII-Toyota
2. Miami (USA), Feb 21-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
3. Sebring 12 Hours (USA), Mar 20-Juan Manuel Fangio II (ARG)/Andy Wallace (GB)-Eagle MkIII-Toyota
4. Road Atlanta (USA), Apr 18-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
5. Lime Rock (USA), May 31-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
6. Mid-Ohio (USA), Jun 13-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
7. Watkins Glen (USA), Jun 27-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
8. Road America (USA), Jul 11-Manuel Reuter (D)/John Winter (D)-Porsche 962
9. Laguna Seca (USA), Jul 25-PJ Jones (USA)-Eagle MkIII-Toyota
10. Portland (USA), Aug 1-Juan Manuel Fangio II (ARG)-Eagle MkIII-Toyota
11. Phoenix (USA), Oct 2-PJ Jones (USA)-Eagle MkIII-Toyota
1994 (Champion: Wayne Taylor)
1. Daytona 24 Hours (USA), Feb 5-6-Paul Gentilozzi (USA)/Butch Leitzinger (USA)/Steve Millen (NZ)/Scott Pruett (USA)-Nissan 300ZX
2. Sebring 12 Hours (USA), Mar 19-Steve Millen (NZ)/John Morton (USA)/Johnny O’Connell (USA)-Nissan 300ZX
3. Road Atlanta (USA), Apr 17-Jay Cochran (USA)-Ferrari 333SP
4. Lime Rock (USA), May 30-Gianpiero Moretti (I)/Eliseo Salazar (RCH)-Ferrari 333SP
5. Watkins Glen (USA), Jun 26-Gianpiero Moretti (I)/Eliseo Salazar (RCH)-Ferrari 333SP
6. Indianapolis (USA), Jul 10-Gianpiero Moretti (I)/Eliseo Salazar (RCH)-Ferrari 333SP
7. Laguna Seca (USA), Jul 24-Andy Evans (USA)/Fermin Velez (E)-Ferrari 333SP
8. Portland (USA), Aug 7-Jeremy Dale (USA)-Spice HC94-Oldsmobile
9. Phoenix (USA), Oct 1-Jeremy Dale (USA)-Spice HC94-Oldsmobile
1995 (Champion: Fermin Velez)
1. Daytona 24H (USA), Feb 4-5-Christophe Bouchut (F)/Jurgen Lasssig (D)/Giovanni Lavaggi (I)/Marco Werner (D)-Kremer Porsche K8
2. Sebring 12 Hours (USA), Mar 18-Andy Evans (USA)/Eric van de Poele (B)/Fermin Velez (E)-Ferrari 333SP
3. Road Atlanta (USA), Apr 30-James Weaver (GB)-Riley & Scott MkIII-Ford
4. Halifax (CDN), May 21-Mauro Baldi (I)/Fermin Velez (E)-Ferrari 333SP
5. Lime Rock (USA), May 29-Wayne Taylor (ZA)-Ferrari 333SP
6. Watkins Glen (USA), Jun 24-Butch Leitzinger (USA)/James Weaver (GB)-Riley & Scott MkIII-Ford
7. Sears Point (USA), Jul 16-James Weaver (GB)-Riley & Scott MkIII-Ford
8. Mosport (CDN), Aug 13-Andy Wallace (GB)/James Weaver (GB)-Riley & Scott MkIII-Ford
9. Texas (USA), Sep 10-Wayne Taylor (ZA)-Ferrari 333SP
10. Phoenix (USA), Sep 30-Fermin Velez (E)-Ferrari 333SP
11. New Orleans (USA), Oct 8-James Weaver (GB)-Riley & Scott MkIII-Ford
1996 (Champion: Wayne Taylor)
1. Daytona 24 Hours (USA), Feb 3-4-Jim Pace (USA)/Scott Sharp (USA)/Wayne Taylor (ZA)-Riley & Scott MkIII-Oldsmobile
2. Sebring 12 Hours (USA), Mar 17-Jim Pace (USA)/Wayne Taylor (ZA)/Eric van de Poele (B)-Riley & Scott MKIII-Oldsmobile
3. Road Atlanta (USA), Apr 21-Gianpiero Moretti (I)/Max Papis (I)-Ferrari 333SP
4. Texas (USA), May 5-Jim Pace (USA)/Wayne Taylor (ZA)-Riley & Scott MKIII-Oldsmobile
5. Lime Rock (USA), May 27-Gianpiero Moretti (I)/Max Papis (I)-Ferrari 333SP
6. Watkins Glen (USA), Jun 9-Gianpiero Moretti (I)/Max Papis (I)-Ferrari 333SP
7. Sears Point (USA), Jul 14-Scott Sharp (USA)/Wayne Taylor (ZA)-Riley & Scott MkIII-Oldsmobile
8. Mosport (CDN), Aug 25-Butch Leitzinger (USA)/John Paul Jr (USA)-Riley & Scott MkIII-Ford
9. Dallas (USA), Sep 1-Butch Leitzinger (USA)-Riley & Scott MkIII-Ford
10. Daytona (USA), Oct 6-Butch Leitzinger (USA)/John Paul Jr (USA)-Riley & Scott MkIII-Ford
1997 (Champion: Butch Leitzinger)
1. Daytona 24 Hours (USA), Feb 1-2-Rob Dyson (USA)/Elliott Forbes-Robinson (USA)/Butch Leitzinger (USA)/John Paul Jr (USA)/John Schneider (USA)/Andy Wallace (GB)/James Weaver (GB)-Riley & Scott MkIII-Ford
2. Sebring 12 Hours (USA), Mar 15-Yannick Dalmas (F)/Andy Evans (USA)/Stefan Johansson (S)/Fermin Velez (E)-Ferrari 333SP
3. Road Atlanta (USA), Apr 20-Butch Leitzinger (USA)/James Weaver (GB)-Riley & Scott MkIII-Ford
4. Lime Rock (USA), May 26-Antonio Hermann (BR)/Andrea Montermini (I)-Ferrari 333SP
5. Watkins Glen (USA), Jun 1-Elliott Forbes-Robinson (USA)/Butch Leitzinger (USA)/James Weaver (GB)-Riley & Scott MkIII-Ford
6. Sears Point (USA), Jul 13-Andy Wallace (GB)/James Weaver (GB)-Riley & Scott MkIII-Ford
7. Mosport (CDN), Aug 31-Ron Fellows (CDN)/Rob Morgan (USA)-Ferrari 333SP
8. Las Vegas (USA), Sep 20-John Paul Jr (USA)/Butch Leitzinger (USA)-Riley & Scott MkIII-Ford
9. Pikes Peak (USA), Sep 28-Antonio Hermann (BR)/Andrea Montermini (I)-Ferrari 333SP
10. Sebring (USA), Oct 18-Antonio Hermann (BR)/Andrea Montermini (I)-Ferrari 333SP
11. Laguna Seca (USA), Oct 26-John Paul Jr (USA)/Butch Leitzinger (USA)-Riley & Scott MkIII-Ford
1998 (Champion: Butch Leitzinger)
1. Sebring 12 Hours (USA), Mar 22-Mauro Baldi (I)/Gianpiero Moretti (I)/Didier Theys (B)-Ferrari 333SP
2. Las Vegas (USA), Apr 26-Wayne Taylor (ZA)/Eric van de Poele (B)-Ferrari 333SP
3. Lime Rock (USA), May 25-Butch Leitzinger (USA)/James Weaver (GB)-Riley & Scott MkIII-Ford
4. Road Atlanta (USA), Jun 21-Butch Leitzinger (USA)/James Weaver (GB)-Riley & Scott MkIII-Ford
5. Mosport (CDN), Aug 9-Butch Leitzinger (USA)/James Weaver (GB)-Riley & Scott MkIII-Ford
6. Sebring (USA), Sep 20-David Brabham (AUS)/Andy Wallace (GB)-Panoz GTR-1-Ford
7. Road Atlanta PLM (USA), Oct 10-Emmanuel Collard (F)/Wayne Taylor (ZA)/Eric van de Poele (B)-Ferrari 333SP
8. Laguna Seca (USA), Oct 25-Bill Auberlen (USA)/Didier de Radigues (B)-Riley & Scott MkIII-Ford
Total races: 377
Winning drivers
49 wins-Al Holbert
39 wins-Peter Gregg
26 wins-Geoff Brabham
23 wins-Hurley Haywood
21 wins-Juan Manuel Fangio II
19 wins-Derek Bell
18 wins-John Paul Jr
16 wins-John Fitzpatrick, James Weaver
15 wins-Chip Robinson
13 wins-Butch Leitzinger
12 wins-Price Cobb, Brian Redman
11 wins-David Hobbs
10 wins-Davy Jones, Bill Whittington
9 wins-Bob Wollek
8 wins-Gianpiero Moretti, John Morton, John Paul Sr, Wayne Taylor
7 wins-Michael Keyser, Klaus Ludwig, Hans-Joachim Stuck, Andy Wallace
6 wins-Jim Busby, Elliott Forbes-Robinson, Randy Lanier, Danny Ongais, Bobby Rahal
5 wins-Doc Bundy, Derek Daly, Ted Field, PJ Jones, Jan Lammers, Rolf Stommelen, Jim Trueman, Bob Tullius, Fermin Velez
4 wins-AJ Foyt, Jochen Mass, Drake Olson, Al Unser Jr, Sarel van der Merwe
3 wins-Bill Adam, John Andretti, George Dyer, Rob Dyson, Bob Earl, Andy Evans, Dave Heinz, Antonio Hermann, Andrea Montermini, Jim Pace, Max Papis, Eliseo Salazar, Eric van de Poele
2 wins-Bob Akin, Mauro Baldi, Bob Beasley, Raul Boesel, Martin Brundle, Maurice Carter, Or Costanzo, Jeremy Dale, Mauricio de Narvaez, Gene Felton, Brad Friselle, Bob Garretson, John Greenwood, Harold Grohs, Dave Helmick, Reinhold Joest, Stefan Johansson, Charles Mendez, Steve Millen, Milt Minter, John Nielsen, Wilbur Pickett, Scott Pruett, Scott Sharp, Don Whittington, John Winter
1 win-Jim Adams, Bill Auberlen, Bob Bailey, Wayne Baker, Claude Ballot-Lena, Paolo Barilla, Christophe Bouchut, Thierry Boutsen, David Brabham, Gary Brabham, Jay Cochran, Tim Coconis, Emmnauel Collard, Yannick Dalmas, Tony DeLorenzo, Didier de Radigues, Mark Dismore, Johnny Dumfries, Graham Duxbury, Ron Fellows, George Follmer, Jo Gartner, Paul Gentilozzi, Tom Gloy, John Graves, Pete Halsmer, Masahiro Hasemi, Preston Henn, Hans Heyer, Toine Hezemans, Kazuyoshi Hoshino, Juan Izquierdo, Frank Jelinski, Charlie Kemp, Jurgen Lassig, Giovanni Lavaggi, Bruce Leven, Jim Locke, Denny Long, Arie Luyendyk, Tony Martin, Ron McFarlin, Volkert Merl, Allan Moffat, Rocky Moran, Rob Morgan, Jim Mullen, Daniel Muniz, Paul Nichter, Kees Nierop, Johnny O’Connell, Henri Pescarolo, Sam Posey, Hector Rebaque, Manuel Reuter, Guillermo Rojas, John Schneider, Vern Schuppan, Toshio Suzuki, Didier Theys, Al Unser Sr, Fred van Beuren, Marco Werner, Dale Whittington, Roy Woods, Don Yenko
Total winning drivers: 149
Winning nationalities
Argentina-1 driver (Fangio)
Australia-4 drivers (D Brabham, Ga Brabham, Ge Brabham, Schuppan)
Austria-1 driver (Gartner)
Belgium-4 drivers (Boutsen, de Radigues, Theys, van de Poele)
Brazil-2 drivers (Boesel, Hermann)
Canada-3 drivers (Fellows, Moffat, Nierop)
Chile-1 driver (Salazar)
Colombia-1 driver (de Narvaez)
Denmark-1 driver (Nielsen)
France-6 drivers (Ballot-Lena, Bouchut, Collard, Dalmas, Pescarolo, Wollek)
Germany-13 drivers (Grohs, Heyer, Jelinski, Joest, Lassig, Ludwig, Mass, Merl, Reuter, Stommelen, Stuck, Werner, Winter)
Great Britain-8 drivers (Bell, Brundle, Dumfries, Fitzpatrick, Hobbs, Redman, Wallace, Weaver)
Holland-3 drivers (Hezemans, Lammers, Luyendyk)
Ireland-1 driver (Daly)
Italy-6 drivers (Baldi, Barilla, Lavaggi, Montermini, Moretti, Papis)
Japan-3 drivers (Hasemi, Hoshino, Suzuki)
Mexico-5 drivers (Izquierdo, Muniz, Rebaque, Rojas, van Beuren)
New Zealand-1 driver (Millen)
South Africa-4 drivers (Duxbury, Martin, Taylor, van der Merwe)
Spain-1 driver (Velez)
Sweden-1 driver (Johansson)
United States-78 drivers (Adam, Adams, Akin, Andretti, Auberlen, Bailey, Baker, Beasley, Bundy, Busby, Carter, Cobb, Cochran, Coconis, Costanzo, Dale, DeLorenzo, Dismore, Dyer, Dyson, Earl, Evans, Felton, Field, Forbes-Robinson, Follmer, Foyt, Friselle, Garretson, Gentilozzi, Gloy, Graves, Greenwood, Gregg, Halsmer, Haywood, Heinz, Helmick, Henn, Holbert, D Jones, PJ Jones, Kemp, Keyser, Lanier, Leitzinger, Leven, Locke, Long, McFarlin, Mendez, Minter, Moran, Morgan, Morton, Mullen, Nichter, O’Connell, Olson, Ongais, Pace, Paul Jr, Paul Sr, Pickett, Posey, Pruett, Rahal, Robinson, Schneider, Sharp, Trueman, Tullius, Unser Jr, Unser Sr, B Whittington, Dale Whittington, Don Whittington, Woods, Yenko)
Total winning nationalities: 22
Winning manufacturers
171 wins-Porsche
33 wins-Nissan
26 wins-Eagle
25 wins-Jaguar
22 wins-Chevrolet, Riley & Scott
21 wins-Ferrari
19 wins-March
15 wins-BMW
13 wins-Lola
6 wins-Ford
2 wins-Spice
1 win-Intrepid, Panoz
Total wins: 377 by 14 manufacturers
Winning engines
173 wins-Porsche
51 wins-Chevrolet
34 wins-Nissan
26 wins-Toyota
25 wins-Ford, Jaguar
21 wins-Ferrari
16 wins-BMW
6 wins-Oldsmobile
Total wins: 377 by 9 engine manufacturers