PORSCHE RACING HISTORYVolkert Merl (D)
1978 : Mugello 6 Hours - 2nd overall : Misano 6 Hours - 3rd overall
5 February 1978 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 935 | 930 770 0907 | GTX | Franz Konrad (A)/Reinhold Jöst (D)/Volkert Merl (D) | Konrad Racing (D) | 13th | 8th | 7th | 590 laps |
19 March 1978 - Mugello 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 935/77A | 930 890 0014 | Gr.5 | Franz Konrad (A)/Reinhold Jöst (D)/Volkert Merl (D) | Konrad Racing (D) | 2nd | 2nd | 4th | 175 laps |
22 April 1978 - Dijon 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 8 | Porsche 935/77A | 930 890 0014 | Gr.5 | Franz Konrad (A)/Volkert Merl (D) | Konrad Racing (D) | DNF | 4th | 30 laps - Head Gasket |
14 May 1978 - Silverstone 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 935/77A | 930 890 0014 | Gr.5 | Franz Konrad (A)/Volkert Merl (D) | Konrad Racing (D) | 6th | 6th | 7th | 203 laps |
28 May 1978 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 935 | 930 770 0907 | Gr.5+2.0 | Volkert Merl (D)/Ralf-Dieter Schreiber (D)/Franz Konrad (A) | Konrad-Racing (D) | 4th | 4th | 11th | 44 laps |
28 May 1978 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 11 | Porsche 935/77A | 930 890 0014 | Gr.5+2.0 | Franz Konrad (A)/Volkert Merl (D)/Clemens Schickentanz (D) | Konrad-Racing (D) | 8th | 6th | 7th | 42 laps |
25 June 1978 - Misano 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 935/77A | 930 890 0014 | Gr.5 | Franz Konrad (A)/Volkert Merl (D) | Konrad Racing (D) | 3rd | 3rd | 5th | 255 laps |
3 September 1978 - Vallelunga 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 935/77A | 930 890 0014 | Gr.5 | Franz Konrad (A)/Volkert Merl (D) | Konrad Racing (D) | 7th | 7th | 8th | 238 laps |