PORSCHE RACING HISTORYChassis No. JR-005
28 March 1982 - Interserie Nürburgring 300 - Interserie
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 936 C | JR-005 | C | Jean-Michel Martin (B) | Joest Racing (D) | 3rd | 3rd | 43 laps |
18 April 1982 - Monza 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 936 C | JR-005 | C | Bob Wollek (F)/Jean-Michel Martin (B)/Phillippe Martin (B) | Joest Racing | DQ | 5th | 162 laps - Oversize Fuel Tank |
16 May 1982 - Silverstone 6 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 936 C | JR-005 | C | Bob Wollek (F)/Jean-Michel Martin (B)/Phillippe Martin (B) | Joest Racing | 3rd | 2nd | 7th | 231 laps |
30 May 1982 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 936 C | JR-005 | C | Bob Wollek (F)/Jean-Michel Martin (B)/Phillippe Martin (B) | Joest Racing | DNF | 4th | 19 laps - Accident |
20 June 1982 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 936 C | JR-005 | C | Bob Wollek (F)/Jean-Michel Martin (B)/Phillippe Martin (B) | Joest Racing | DNF | 3rd | 314 laps - Piston |
5 September 1982 - Spa 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 936 C | JR-005 | C | Jean-Michel Martin (B)/Phillippe Martin (B) | Joest Racing | 4th | 3rd | 14th | 134 laps |
19 September 1982 - Mugello 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 936 C | JR-005 | C | Bob Wollek (F)/Hans Heyer (D)/Henri Pescarolo (F) | Joest Racing | 3rd | 1st | 1st | 184 laps |
17 October 1982 - Brands Hatch 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 936 C | JR-005 | C | Bob Wollek (F)/Henri Pescarolo (F)/Hans Heyer (D) | Joest Racing | 8th | 6th | 14th | 197 laps |
6 November 1982 - Kyalami 9 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 936 C | JR-005 | Cat I | Volkert Merl (D)/Hans Heyer (D)/Dieter Schornstein (D) | Lindsay Sakers/Joest Racing (D) | 4th | 4th | 4th | 359 laps |
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 |
10 December 1983 - Kyalami 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 936 C | JR-005 | C | Leopold von Bayern (D)/Siegfried Brunn (D)/Klaus Groeger (ZA) | Joest Racing | 7th | 7th | 15th | 217 laps |
20 April 1986 - Monza 360 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 63 | Porsche 936 C | JR-005 | C1 | Siegfried Brunn (D)/Ernst Schuster (D) | Ernst Schuster (D) | 12th | 11th | 16th | 56 laps |
4 May 1986 - Silverstone 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 63 | Porsche 936 C | JR-005 | C1 | Siegfried Brunn (D)/Ernst Schuster (D) | Ernst Schuster (D) | 17th | 13th | 19th | 180 laps |
1 June 1986 - Le Mans 24 Hours - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 63 | Porsche 936 C | JR-005 | C1 | Siegfried Brunn (D)/Ernst Schuster (D)/Rudi Seher (D) | Ernst Schuster (D) | 6th | 6th | 21st | 344 laps |
29 June 1986 - Norisring 100 Mile - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 63 | Porsche 936 C | JR-005 | C1 | Ernst Schuster (D) | Ernst Schuster (D) | 14th | 12th | 21st | 71 laps |
24 August 1986 - Nürburgring 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 63 | Porsche 936 C | JR-005 | C1 | Ernst Schuster (D)/Rudi Seher (D)/Siegfried Brunn (D) | Ernst Schuster (D) | DNF | 22nd | 4 laps - Accident |