PORSCHE RACING HISTORYKees Nierop (CDN)
1980
3 February 1980 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 911 Carrera RSR | 911 460 9113 | GTO | Bonky Fernandez (PR)/Tato Ferrer (PR)/Kees Nierop (CDN) | Boricua Racing (PR) | 49th | 18th | 36th | 211 laps - Engine |
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 935 K3 | 009 00030 | GTX | Bob Garretson (USA)/Bobby Rahal (USA)/Kees Nierop (CDN) | Dick Barbour Racing (USA) | 7th | 6th | 6th | 227 laps |
17 August 1980 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935 K3 | 009 00016 | GTX | Paul Miller (USA)/Bob Akin (USA)/Kees Nierop (CDN) | Racing Associates (USA) | 6th | 6th | 10th | 234 laps |