PORSCHE RACING HISTORYJean-Michel Martin (B)
1983
8 May 1983 - Silverstone 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 936 C | JR-005 | C | Phillippe Martin (B)/Jean-Michel Martin (B)/Marc Duez (B) | Joest Racing | DNF | 16th | 77 laps - Transmission |
19 June 1983 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 936 C | JR-005 | C | Jean-Michel Martin (B)/Phillippe Martin (B)/Marc Duez (B) | Joest Racing | DNF | 21st | 9 laps - Injection Pump |
4 September 1983 - Spa 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 936 C | JR-005 | C | Dieter Schornstein (D)/"John Winter" Louis Krages (D)/Jean-Michel Martin (B) | Joest Racing | 8th | 8th | 20th | 127 laps |