PORSCHE RACING HISTORYWalter Brun (CH)
1986 : Monza 360 km - 3rd overall : Jerez 360 km - 2nd overall
20 April 1986 - Monza 360 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 956 | 956-106 | C1 | Massimo Sigala (I)/Walter Brun (CH) | Brun Motorsport (CH) | 3rd | 3rd | 11th | 61 laps |
4 May 1986 - Silverstone 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 10 | Porsche 956 | 956-106 | C1 | Walter Brun (CH)/Frank Jelinski (D) | Brun Motorsport (CH) | 9th | 9th | 22nd | 203 laps |
1 June 1986 - Le Mans 24 Hours - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 962 C | 962C-117 | C1 | Massimo Sigala (I)/Walter Brun (CH)/Frank Jelinski (D) | Brun Motorsport (CH) | DNF | 12th | 75 laps - Valves |
29 June 1986 - Norisring 100 Mile - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 962 C | 962C-117 | C1 | Walter Brun (CH) | Brun Motorsport (CH) | 6th | 6th | 7th | 78 laps |
20 July 1986 - Brands Hatch 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 962 C | 962C-117 | C1 | Walter Brun (CH)/Massimo Sigala (I) | Brun Motorsport (CH) | DNF | 9th | 107 laps - Engine |
3 August 1986 - Jerez 360 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 956 | 956-106 | C1 | Walter Brun (CH)/Frank Jelinski (D) | Brun Motorsport (CH) | 2nd | 2nd | 1st | 86 laps |
24 August 1986 - Nürburgring 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 962 C | 962C-117 | C1 | Thierry Boutsen (B)/Walter Brun (CH) | Brun Motorsport (CH) | DNF | 1st | 22 laps - Withdrawn Due To Conditions |
15 September 1986 - Spa 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 956 | 956-106 | C1 | Didier Theys (B)/Walter Brun (CH)/Massimo Sigala (I) | Brun Motorsport (CH) | 9th | 9th | 9th | 139 laps |