PORSCHE RACING HISTORYBruce Leven (USA)
1980 : Riverside 5 Hours - 3rd overall : Watkins Glen 6 Hours - 3rd in class
3 February 1980 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 935/79 | 930 990 0030 | GTX | Peter Gregg (USA)/Hurley Haywood (USA)/Bruce Leven (USA) | Brumos Porsche Audi (USA) | 11th | 7th | 4th | 584 laps |
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/77A | 930 890 0018 | GTX | Peter Gregg (USA)/Hurley Haywood (USA)/Bruce Leven (USA) | Bayside Disposal Racing (USA) | 10th | 8th | 2nd | 220 laps |
13 April 1980 - Road Atlanta 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 935 | 930 770 0909 | GTX | Bruce Leven (USA) | Bruce Leven (USA) | 25th | 14th | 13th | 16 laps - DNF |
27 April 1980 - Riverside 5 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/77A | 930 890 0018 | GTX | Bruce Leven (USA)/Hurley Haywood (USA) | Bayside Disposal (USA) | 3rd | 3rd | 6th | 161 laps |
4 May 1980 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 935 | 930 770 0909 | GTX | Bruce Leven (USA) | Bruce Leven (USA) | 7th | 7th | 37th | 49 laps |
5 July 1980 - Watkins Glen 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 57 | Porsche 911 SC | 911 460 0059 | Trans Am | Monte Shelton (USA)/Bruce Leven (USA) | Porsche-Audi Northwest | 16th | 3rd | 20th | 114 laps |
3 August 1980 - Portland 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 88 | Porsche 935 | 930 770 0909 | GTX | Bruce Leven (USA) | Bayside Disposal Racing (USA) | 7th | 7th | 8th | 50 laps |
17 August 1980 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/80 | 000 00024 | GTX | Hurley Haywood (USA)/Bruce Leven (USA) | Bayside Disposal Racing (USA) | 14th | 9th | 7th | 205 laps |
31 August 1980 - Road America 500 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 935/80 | 000 00024 | GTX | Hurley Haywood (USA)/Bruce Leven (USA) | Bayside Disposal Racing (USA) | 37th | 12th | 5th | 40 laps - Aerodynamics |
21 September 1980 - Road Atlanta 50 Miles - Heat 2 - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 935 | GTX | Bruce Leven (USA) | 23rd | 12th | 22nd | 10 laps - DNF |