PORSCHE RACING HISTORYRainer Brezinka (CDN)
1980 : Mosport 6 Hours - 3rd in class
22 March 1980 - Sebring 12 Hours - World Challenge for Endurance Drivers
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 914/6 | 914 043 0188 | GTU | Gary Hirsch (USA)/Rainer Brezinka (CDN)/Peter Aschenbrenner (CDN) | R & H Racing (CDN) | 20th | 6th | 71st | 205 laps |
17 August 1980 - Mosport 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 50 | Porsche 911 S | GTO | Fritz Hochreuter (CDN)/Rainer Brezinka (CDN)/Norm Ridgely (CDN) | Fritz Hochreuter (CDN) | 15th | 3rd | 31st | 204 laps |
30 November 1980 - Daytona Finale 250 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 58 | Porsche 911 Carrera RSR | GTO | Fritz Hochreuter (CDN)/Rainer Brezinka (CDN) | 17th | 7th | 51st | 57 laps |