| 7.8.1966 | DARM Nürburgring | 2 | 906 | Gijs van Lennep | Racing-Team Holland | DNF |
| 7.8.1966 | DARM Nürburgring | 7 | 906 | Gerhard Koch | Gerhard Koch | 4th |
| 7.8.1966 | DARM Nürburgring | 128 | 911 | Jacques Thenaers | Jacques Thenaers | ?th |
| 7.8.1966 | DARM Nürburgring | 130 | 911 | Carl-Gregor Auer | Carl-Gregor Auer | DNA |
| 7.8.1966 | DARM Nürburgring | 138 | 356 C 1600 SC | Konrad Lammers | Team Christman-Hein | DNS |
| 14.8.1966 | GP Hockenheim | 1 | 906 LH | Gerhard Mitter | Porsche System Engineering | 1st |
| 14.8.1966 | GP Hockenheim | 2 | 906 LH | Günther Klass | Porsche System Engineering | 2nd |
| 14.8.1966 | GP Hockenheim | 3 | 906 LH | Hans Herrmann | Porsche System Engineering | 3rd |
| 14.8.1966 | All Japan Fuji | 20 | 906 | Shintaro Taki | | 1st |
| 14.8.1966 | GP Hockenheim | 21 | 906 | Ben Pon | Ben Pon | DNA |
| 14.8.1966 | GP Hockenheim | 22 | 906 | Gijs van Lennep | Ben Pon/Racing Team Holland | DNF |
| 14.8.1966 | GP Hockenheim | 23 | 906 | Norinder / Bonnier | Rolf Hurtig | NC |
| 14.8.1966 | GP Hockenheim | 24 | 906 | Sten Axelsson | Rolf Hurtig | DNF |
| 14.8.1966 | GP Hockenheim | 25 | 906 | Udo Schütz | Scuderia Lufthansa | 4th |
| 14.8.1966 | GP Hockenheim | 26 | 906 | Gerhard Koch | Scuderia Lufthansa | 5th |
| 14.8.1966 | GP Hockenheim | 27 | 906 | Charles Vögele | Charles Vögele | 9th |
| 14.8.1966 | GP Hockenheim | 28 | 906 | André Wicky | Charles Vögele | 6th |
| 14.8.1966 | GP Hockenheim | 29 | 906 | de Udy | Mike De Udy/Porsche Cars GB | 8th |
| 14.8.1966 | Circuito do Porto | 41 | 356 B | Joăo Paulo Sottomayor | | 6th |
| 14.8.1966 | DARM Wunstorf [GT1.6] | 153 | 356 C 1600 SC | Bernd Wichmann | | 3rd |
| 14.8.1966 | DARM Wunstorf [GT+1.6/T2.0] | 171 | 911 | Herbert Kistner | | DNA |
| 14.8.1966 | DARM Wunstorf [GT+1.6/T2.0] | 172 | 911 | Günter Besier | | ?th |
| 14.8.1966 | ADAC Zandvoort | | 356 | Hans-Wilhelm Ridder | | ?th |
| 14.8.1966 | ADAC Zandvoort | | | F. Maag | | ?th |
| 14.8.1966 | ADAC Zandvoort | | | Günter Werlich | | ?th |
| 14.8.1966 | ADAC Zandvoort | | | Klaus Barthel | | ?th |
| 14.8.1966 | ADAC Zandvoort | | 904 GTS | Walter Lehmann | | 1st |
| 20.8.1966 | H&DLLC Castle Combe [Sports] | 12 | 904 GTS | Hone / Morris | Mefco Racing | DNA |
| 20.8.1966 | BARC Oulton Park [Handicap] | 66 | 356 1600 GS Carrera | Alan C. Smith | Alan C. Smith | raced |
| 20.8.1966 | BARC Oulton Park [Marque] | 66 | 356 1600 GS Carrera | Alan C. Smith | Alan C. Smith | 20th |
| 21.8.1966 | 500 mile Watkins Glen | 1 | 906 | Charlie Kolb | | ?th |
| 21.8.1966 | 12 h Surfers Paradise | 8 | 904/6 Spyder | Hamilton / Reed | Porsche Distributors Pty. Ltd. | 4th |
| 21.8.1966 | 12 h Surfers Paradise | 23 | Carrera | Sakzewski / Woelders / Sakzewski | G. D. Sakzewski | ?th |
| 21.8.1966 | 500 mile Watkins Glen | | 906 | Ed Hugus | | raced |
| 24.8.1966 | Keimola [S2.0] | 1 | 906 | Antti Aarnio-Wihuri | | raced |
| 24.8.1966 | Keimola [S2.0] | 2 | 906 | Ulf Norinder | | raced |
| 24.8.1966 | Keimola [S2.0] | 3 | 904 GTS | Kari Sohlberg | | raced |
| 28.8.1966 | USRRC Mid-Ohio | 4 | 906 | Peter Gregg | Brumos Porsche | 8th |
| 28.8.1966 | Knutstorp [GT2.0] | 6 | 911 | Kay Honkanen | | 4th |
| 28.8.1966 | Knutstorp [GT2.0] | 7 | 356 1600 Super | Knut Johansen | | DNA |
| 28.8.1966 | USRRC Mid-Ohio | 7 | 906 | Joe Buzzetta | Porsche of America | 5th |
| 28.8.1966 | Knutstorp [GT2.0] | 9 | 911 | Leif Hansen | | DNA |
| 28.8.1966 | Knutstorp [GT2.0] | 10 | 911 | Bengt Ekberg | Haj-Haj Racing Team | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 12 | 356 | Robert Mims | | DNA |
| 28.8.1966 | USRRC Mid-Ohio | 23 | 906 | Doug Revson | Doug Revson | DNF |
| 28.8.1966 | Vila do Conde | 30 | 356 B | Joăo Paulo Sottomayor | | DNF |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 37 | 356 | Dick Weiss | | DNA |
| 28.8.1966 | USRRC Mid-Ohio | 56 | 906 | Ralph Trieschmann | Ralph Trieschman | 13th |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 61 | 356 | Lou Gregg | | DNA |
| 28.8.1966 | USRRC Mid-Ohio | 69 | 906 | Mike Hall | E. L. Hall | DNF |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 77 | 356 | B. P. Samuel | | DNA |
| 28.8.1966 | Hill Climb Sierre Montagna | 86 | 356 Carrera | Kurt Huber | Kurt Huber | DNF |
| 28.8.1966 | USRRC Mid-Ohio | 87 | 906 | Bill Bowman | W. S. Bowman | 10th |
| 28.8.1966 | Hill Climb Sierre Montagna | 90 | 906 | Dieter Spoerry | Scuderia Filipinetti | 6th |
| 28.8.1966 | Hill Climb Sierre Montagna | 91 | 906 | André Wicky | André Wicky | 7th |
| 28.8.1966 | Hill Climb Sierre Montagna | 92 | 904 GTS | Rolf Stommelen | Rolf Stommelen | DNF |
| 28.8.1966 | Hill Climb Sierre Montagna | 93 | 904 GTS | Rudi Lins | OASC | 5th |
| 28.8.1966 | Hill Climb Sierre Montagna | 94 | 904 GTS | Siegfried Lang | Siegfried Lang | DNA |
| 28.8.1966 | Hill Climb Sierre Montagna | 96 | 906 | Sepp Greger | Sepp Greger | 4th |
| 28.8.1966 | Hill Climb Sierre Montagna | 97 | 906 | Wilhelm Bartels | Wilhelm Bartels | DNA |
| 28.8.1966 | Hill Climb Sierre Montagna | 186 | 910 | Gerhard Mitter | Porsche System | 2nd |
| 28.8.1966 | Hill Climb Sierre Montagna | 188 | 910 | Hans Herrmann | Porsche System | 3rd |
| 28.8.1966 | Hill Climb Sierre Montagna | 189 | 904/6 | Michel Weber | Michel Weber | DNA |
| 28.8.1966 | Hill Climb Sierre Montagna | 190 | 356 B 2000 | Albert Badan | Albert Badan | DNA |
| 28.8.1966 | Hill Climb Sierre Montagna | 192 | 911 S | Walter Ringgenberg | Walter Ringgenberg | DNA |
| 28.8.1966 | Hill Climb Sierre Montagna | 193 | 911 S | Guido Haberthur | André Wicky | 45th |
| 28.8.1966 | Hill Climb Sierre Montagna | 232 | 911 | Eberhard Mahle | Eberhard Mahle | 10th |
| 28.8.1966 | Hill Climb Sierre Montagna | 233 | 911 | Heinz Schiller | Leman | 19th |
| 28.8.1966 | Hill Climb Sierre Montagna | 234 | 911 | Hans-Peter Nyffeler | | 24th |
| 28.8.1966 | Hill Climb Sierre Montagna | 235 | 911 | Pierre Greub | André Wicky | 72nd |
| 28.8.1966 | Vila do Conde | | | António Marques Amorim | | 7th |
| 28.8.1966 | Vila do Conde | | | Américo Nunes | | 4th |
| 29.8.1966 | Eagle Trophy Brands Hatch | 123 | 906 | Mike de Udy | Porsche Cars Great Britain Ltd. | 3rd |
| 29.8.1966 | Eagle Trophy Brands Hatch | 124 | 904 GTS | Morris / Hone | Mefco Racing | DNA |
| 3.9.1966 | 200 mile Road America | 21 | 356 | Sam Eller | Samuel L. Eller | DNA |
| 3.9.1966 | 200 mile Road America | 35 | 356 Speedster | Douglas Harding | Douglas R. Harding | DNA |
| 3.9.1966 | 200 mile Road America | 46 | 356 | Olson / Wisler | Bert B. Olson | DNA |
| 3.9.1966 | 200 mile Road America | 51 | 356 Speedster | Kane / LaCross | Karl M. Johnson | DNA |
| 3.9.1966 | 200 mile Road America | 61 | 356 Speedster | Merv Rosen | Dr. Merwin B. Rosen | DNA |
| 3.9.1966 | 200 mile Road America | 77 | 356 Speedster | Jack Cooper | Jack W. Cooper | DNA |
| 3.9.1966 | 200 mile Road America | 83 | 356 Speedster | Doran J. Ventrucci | Doran J. Ventrucci | DNA |
| 4.9.1966 | SM Skarpnäck [SP2.0] | 1 | 906 | Sten Axelsson | Botkyrka MK | 3rd |
| 4.9.1966 | SM Skarpnäck [GT2.0] | 3 | 911 | Leif Hansen | Botkyrka MK | DNF |
| 4.9.1966 | Paul Whiteman Trophy Daytona | 4 | 906 | Peter Gregg | | 1st |
| 4.9.1966 | Santa Barbara [CSR+DSR+ESR+FSR+GSR] | 4 | | Charles Akly | Charles Akly | DNA |
| 4.9.1966 | 500 mile Road America | 7 | 906 | Buzzetta / Klass | Porsche of America | 5th |
| 4.9.1966 | SM Skarpnäck [GT2.0] | 9 | 911 | Kay Honkanen | | raced |
| 4.9.1966 | SM Skarpnäck [GT2.0] | 10 | 911 | Knut Johansen | | DNA |
| 4.9.1966 | 500 mile Road America | 12 | 906 | Fisher / Lovely | E. M. Chiles | 7th |
| 4.9.1966 | 500 mile Road America | 18 | 904 GTS | Nelson / Countryman | Nodak Racing Team | DNF |
| 4.9.1966 | 500 mile Road America | 23 | 906 | Revson / Revson | Douglas Revson | DNF |
| 4.9.1966 | 500 mile Road America | 56 | 906 | Trieschmann / Dietrich | Ralph Trieschmann | 6th |
| 4.9.1966 | Paul Whiteman Trophy Daytona | 61 | 906 | Bill Bowman | | 2nd |
| 4.9.1966 | 500 mile Road America | 69 | 906 | Hall / Hall | E. L. Hall | 8th |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 77 | 911 | Charles Thompson | Dr. Charles Thompson | DNA |
| 4.9.1966 | SM Skarpnäck [SP2.0] | | 904 GTS | Harald Kronegard | | raced |
| 4.9.1966 | Vallelunga [S+1.6/P2.0] | | 906 | Ignazio Capuano | | 2nd |
| 4.9.1966 | Vallelunga [S+1.6/P2.0] | | 906 | "Noris" | | 3rd |
| 4.9.1966 | ACIF Montlhéry | | 904 GTS | Pigeaux | | 4th |
| 4.9.1966 | ACIF Montlhéry | | 904 GTS | Parot | | 2nd |