PORSCHE RACING HISTORYKenper Miller (USA)
1985
23 March 1985 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 43 | Porsche 935 J | 930 890 0012 | GTP | Mauricio DeNarváez (COL)/Dave Cowart (USA)/Kenper Miller (USA) | De Narvaez Enterprises (CO) | 30th | 11th | 16th | 157 laps - Engine |
16 June 1985 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 956 | 956-104 | C1 | Mauricio DeNarváez (COL)/Kenper Miller (USA)/Paul Belmondo (F) | New Man Joest Racing (D) | DNF | 8th | 277 laps - Accident |