| 1994 · 1994 24 Hours of Le Mans | 1 | 36 | LM-GT1 | Le Mans Porsche Team | Yannick Dalmas · Hurley Haywood · Mauro BaldiYannick Dalmas Hurley Haywood Mauro Baldi | Dauer 962 Le Mans | Porsche 935/82 3.0L F6 twin turbo | 344 | Wikipedia contributors · CC BY-SA 4.0 |
| 1993 · 1993 24 Hours of Le Mans | DNF | 46 | Category 4 | Le Mans Porsche Team | Hans-Joachim Stuck · Hurley Haywood · Walter RöhrlHans-Joachim Stuck Hurley Haywood Walter Röhrl | Porsche 911 Turbo S LM | Porsche M64 3.2L F6 twin turbo | 79 | Wikipedia contributors · CC BY-SA 4.0 |
| 1991 · 1991 24 Hours of Le Mans | NC | 53 | Category 2 | Salamin Primagaz Team Schuppan | Hurley Haywood · James Weaver · Wayne TaylorHurley Haywood James Weaver Wayne Taylor | Porsche 962C | Porsche 935 3.0L F6 twin turbo | 316 | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · 1990 24 Hours of Le Mans | 12 | 33 | Gr.C1 | Team Schuppan Takefuji | Hurley Haywood · Wayne Taylor · Rickard RydellHurley Haywood Wayne Taylor Rickard Rydell | Porsche 962C | Porsche 935/82 3.0L F6 twin turbo | 332 | Wikipedia contributors · CC BY-SA 4.0 |
| 1987 · 1987 24 Hours of Le Mans | DNF | 8 | Gr.C1 | Joest Racing | Stanley Dickens · Frank Jelinski · Hurley HaywoodStanley Dickens Frank Jelinski Hurley Haywood | Porsche 962C | Porsche 935/79 2.8L F6 twin turbo | 7 | Wikipedia contributors · CC BY-SA 4.0 |
| 1986 · 1986 24 Hours of Le Mans | DNF | 53 | Gr.C1 | Silk Cut Jaguar Tom Walkinshaw Racing | Gianfranco Brancatelli · Win Percy · Hurley HaywoodGianfranco Brancatelli Win Percy Hurley Haywood | Jaguar XJR-6 | Jaguar 6.0L V12 | 154 | Wikipedia contributors · CC BY-SA 4.0 |
| 1986 · 1986 24 Hours of Le Mans | DNF | 52 | Gr.C1 | Silk Cut Jaguar Tom Walkinshaw Racing | Brian Redman · Hans Heyer · Hurley HaywoodBrian Redman Hans Heyer Hurley Haywood | Jaguar XJR-6 | Jaguar 6.0L V12 | 53 | Wikipedia contributors · CC BY-SA 4.0 |
| 1985 · 1985 24 Hours of Le Mans | DNF | 40 | IMSA GTP | Group 44 Racing | Brian Redman · Hurley HaywoodBrian Redman Hurley Haywood Jim Adams | Jaguar XJR-5 | Jaguar 6.0L V12 | 151 | Wikipedia contributors · CC BY-SA 4.0 |
| 1983 · 1983 24 Hours of Le Mans | 1 | 3 | Gr.C | Rothmans Porsche | Vern Schuppan · Hurley Haywood · Al HolbertVern Schuppan Hurley Haywood Al Holbert | Porsche 956 | Porsche 935/79 2.6L F6 twin turbo | 371 | Wikipedia contributors · CC BY-SA 4.0 |
| 1982 · 1982 24 Hours of Le Mans | 3 | 3 | Gr.C | Porsche System | Jürgen Barth · Hurley Haywood · Al HolbertJürgen Barth Hurley Haywood Al Holbert | Porsche 956 | Porsche 935/76 2.6L F6 twin turbo | 340 | Wikipedia contributors · CC BY-SA 4.0 |
| 1981 · 1981 24 Hours of Le Mans | 12 | 12 | Gr.6 S +2.0 | Porsche System | Jochen Mass · Vern Schuppan · Hurley HaywoodJochen Mass Vern Schuppan Hurley Haywood | Porsche 936/81 | Porsche 935/82 2.6L F6 turbo | 313 | Wikipedia contributors · CC BY-SA 4.0 |
| 1981 · 20th Annual 24 Hour Pepsi Challenge Camel GT race, Daytona Internati onal Speedway | 42 | 86 | 4. GTX | Bruce Leven | Hurley Haywood · Jürgen Barth · Bruce Leven | Porsche 935/80 | — | 232 | WSPR historical record |
| 1981 · 20th Annual 24 Hour Pepsi Challenge Camel GT race, Daytona Internati onal Speedway | entry_only | 85 | GTX | Bruce Leven | Bruce Leven · Hurley Haywood · Jürgen Barth | Porsche 935/77A | — | | WSPR historical record |
| 1981 · 6 Hours of Daytona Champion Spark Plug Challenge, Daytona Internation al Speedway | 3 | 27 | 3. RS | Mike Meyer | Jack Dunham · Hurley Haywood · DNS - Tom Sheehy | Mazda RX-3 | — | 147 | WSPR historical record |
| 1981 · 6 Hours of Daytona Champion Spark Plug Challenge, Daytona Internation al Speedway | 61 | 00 | 1. RS | Mike Meyer | Hurley Haywood · Mike Meyer | Mazda RX-3 | — | 1 | WSPR historical record |
| 1981 · 6 hours of Watkins Glen | retired | 86 | Gr.5 | Bayside Disposal Racing | Hurley Haywood · Bruce Leven | Porsche 935/80 | — | 80 | WSPR historical record |
| 1981 · Molson 1000 Camel GT, Mosport | did_not_start | 86 | GTX | Bayside Disposal Racing | Hurley Haywood · Bruce Leven | Porsche 935/80 | — | | WSPR historical record |
| 1981 · Pabst 500 Camel GT, Road America, Elkhart Lake | did_not_start | 86 | GTX | Bruce Leven | Bruce Leven · Hurley Haywood | Porsche 935/80 | — | | WSPR historical record |
| 1981 · 29th Annual Coca-Cola 12 Hours of Sebring Camel GT race, Sebring Airp ort | 1 | 86 | 1. GTX | Bayside Disposal Racing | Hurley Haywood · Al Holbert · Bruce Leven | Porsche 935/8 | — | 245 | WSPR historical record |
| 1981 · Los Angeles Times/Toyota Grand Prix Camel GT, Riverside Int'l Raceway | 5 | 86 | 5. GTX | Bruce Leven | Hurley Haywood · Bruce Leven | Porsche 935/80 | — | 189 | WSPR historical record |
| 1980 · 1980 24 Hours of Le Mans | DNF | 85 | IMSA | Whittington Brothers Racing Sun System | Don Whittington · Dale Whittington · Hurley HaywoodDon Whittington Dale Whittington Hurley Haywood | Porsche 935-K3/80 | Porsche 930 3.0L F6 turbo | 151 | Wikipedia contributors · CC BY-SA 4.0 |
| 1980 · 19th Annual 24 Hour Pepsi Challenge, Daytona International Speedweay | 11 | 59 | 7. GTX | Brumos Porsche | Peter Gregg · Hurley Haywood · Bruce Leven | Porsche 935/80 T | — | 584 | WSPR historical record |
| 1980 · 6 hours of Watkins Glen | 9 | 85 | 9. Gr.5 | Whittington Brothers Racing | Don Whittington · Hurley Haywood · Dale Whittington | Porsche 935 K3 | — | 130 | WSPR historical record |
| 1980 · 6 hours of Watkins Glen | entry_only | 94 | Gr.5 | Whittington Brothers Racing | Don Whittington · Hurley Haywood | Porsche 935 K3 | — | | WSPR historical record |
| 1980 · Molson Canadian 1000 IMSA GT Series, Mosport Park | 14 | 86 | 9. GTX | Bayside Disposal Racing | Hurley Haywood · Bruce Leven | Porsche 935/7 | — | 205 | WSPR historical record |
| 1979 · 1979 24 Hours of Le Mans | DNF | 14 | Gr.6 S 3.0 | Essex Motorsport Porsche | Bob Wollek · Hurley HaywoodBob Wollek Hurley Haywood | Porsche 936-78 | Porsche 935/73 2.1L F6 twin-turbo | 236 | Wikipedia contributors · CC BY-SA 4.0 |
| 1979 · 18th Annual 24 Hour Pepsi Challenge, Daytona International Speedway | 1 | 0 | 1. GTX | Interscope Racing | Ted Field · Danny Ongais · Hurley Haywood | Porsche 935/79 | — | 684 | WSPR historical record |
| 1979 · Watkins Glen 6 Hours Trans-Am and World Championship of Makes, Watkin s Glen Grand Prix Circuit | 31 | 85 | - | Bruce Leven | Peter Gregg · Hurley Haywood · Bruce Leven | Porsche 935/77 | — | 72 | WSPR historical record |
| 1978 · 1978 24 Hours of Le Mans | 3 | 7 | Gr.6 S 3.0 | Martini Racing Porsche System | Hurley Haywood · Peter Gregg · Reinhold JoestHurley Haywood Peter Gregg Reinhold Joest | Porsche 936-77 | Porsche 911/78 2.1L F6 turbo | 362 | Wikipedia contributors · CC BY-SA 4.0 |
| 1978 · 17th Annual 24 Hours of Daytona Camel GT Challenge | 40 | 95 | 6. GTX | Bob Hagestad | Hurley Haywood · Bob Hagestad · Doc Bundy | Porsche 935 Tu | — | 400 | WSPR historical record |
| 1978 · Watkins Glen 6 Hours/Trans-Am Championship, Watkins Glen Grand Prix C ircuit | 8 | 3 | 6. Gr.5 | Vasek Polak Racing | Janet Guthrie · Brian Redman · Hurley Haywood · DNS - George Follmer | Porsche 935/77 | — | 128 | WSPR historical record |
| 1978 · Watkins Glen 6 Hours/Trans-Am Championship, Watkins Glen Grand Prix C ircuit | 33 | 4 | 4. Gr.5 | Vasek Polak Racing | Hurley Haywood · John Gunn · DNS - Janet Guthrie · DNS - George Follmer · DNS - Jacky Ickx | Porsche 935 | — | 72 | WSPR historical record |
| 1978 · Watkins Glen 6 Hours/Trans-Am Championship, Watkins Glen Grand Prix C ircuit | 45 | 08 | 7. Gr.5 | JLP Racing | Hurley Haywood · John Paul | Porsche 935/77A | — | | WSPR historical record |
| 1977 · 1977 24 Hours of Le Mans | 1 | 4 | Gr.6 S 3.0 | Martini Racing Porsche System | Jürgen Barth · Hurley Haywood · Jacky IckxJürgen Barth Hurley Haywood Jacky Ickx | Porsche 936-77 | Porsche 911/78 2.1L F6 twin-turbo | 342 | Wikipedia contributors · CC BY-SA 4.0 |
| 1977 · 24 Hours of Daytona, Daytona International Speedway | 1 | 43 | 1. GTO | Ecurie Escargot | Hurley Haywood · John Graves · Dave Helmick | Porsche Carrer | — | 681 | WSPR historical record |
| 1977 · SCCA Trans-Am Championship and 6 Hours of Watkins Glen World Champion ship of Makes, Watkins Glen GP | 3 | 95 | 3. Gr.5 | Bob Hagestad Porsche Audi | Hurley Haywood · Bob Hagestad | Porsche 934 Turbo | — | 169 | WSPR historical record |
| 1976 · 6 Hours of Watkins Glen World Championship of Makes and SCCA Trans-Am Championship | 4 | 59 | 4. Gr.5 | Brumos Kendall | Peter Gregg · Hurley Haywood | BMW 3.5 CSL | — | 170 | WSPR historical record |
| 1975 · Daytona 24 Hours | 1 | 59 | 1. GTO | Brumos Porsche | Peter Gregg · Hurley Haywood | Porsche Carrer | — | 684 | WSPR historical record |
| 1975 · 6 Hours of Watkins Glen World Championship of Makes and SCCA Trans-Am Championship | 5 | 95 | 1. GT | Bob Hagestad Porsche-Audi | Bob Hagestad · Hurley Haywood | Porsche Carrer | — | 143 | WSPR historical record |
| 1974 · 6 Hours of Watkins Glen World Championship of Makes and SCCA Trans-Am Championship | 3 | 59 | - | Brumos Porsche | Peter Gregg · Hurley Haywood | Porsche Carrer | — | 176 | WSPR historical record |
| 1973 · 24 h Daytona | 1 | 59 | 1. S3.0 | Brumos Porsche | Peter Gregg · Hurley Haywood | Porsche Car | — | 670 | WSPR historical record |
| 1973 · Watkins Glen 6 Hours | 7 | 59 | 7. S3.0 | Brumos Porsche | Peter Gregg · Hurley Haywood | Porsche Car | — | 168 | WSPR historical record |
| 1972 · Watkins Glen 6 Hours | retired | 59 | GT2.5 | Brumos Porsche | Hurley Haywood · Peter Gregg | Porsche 911S | — | 91 | WSPR historical record |
| 1972 · Daytona 6 Hours | 7 | 59 | 1. GT2.5 | Brumos Porsche | Hurley Haywood · Peter Gregg | Porsche 911S | — | 166 | WSPR historical record |
| 1972 · Sebring 12 Hours | 5 | 59 | 1. GT2.5 | Brumos Porsche | Peter Gregg · Hurley Haywood | Porsche 911S | — | 215 | WSPR historical record |
| 1971 · Watkins Glen 6 Hours | 6 | 59 | GT2.5 19 | umos Porsche-Audi 22 | Peter Gregg · Hurley Haywood | Porsche 914/6 GT ASK US Br | — | 8 | WSPR historical record |
| 1971 · 24 h Daytona Beach | retired | 59 | GT2.5 23 | umos Porsche 26 | Peter Gregg · Hurley Haywood | Porsche 914/6 GT ASK US Br | — | 0 | WSPR historical record |
| 1971 · Sebring 12 Hours | 14 | 59 | GT2.5 28 | umos Porsche Audi Corp. 19 | Peter Gregg · Hurley Haywood | Porsche 914/6 GT ASK US Br | — | 2 | WSPR historical record |
| 1969 · Watkins Glen 6 Hours, 22nd Annual Sports Car Weekend at Watkins Glen | 8 | 58 | 1. GT2.0 | Brumos Porsche Corp. | Peter Gregg · Hurley Haywood | Porsche 911S | — | 235 | WSPR historical record |