| 26.6.1966 | GP Watkins Glen | 7 | 906 | Joe Buzzetta | Porsche Corp. of America | DNF |
| 26.6.1966 | GP Watkins Glen | 33 | 906 | Scooter Patrick | | DNS |
| 26.6.1966 | Rovaniemi [S/GT] | 37 | 906 | Antti Aarnio-Wihuri | | 1st |
| 26.6.1966 | Rovaniemi [S/GT] | 38 | 904 GTS | Kari Sohlberg | | 2nd |
| 26.6.1966 | Avus [S/GT] | 41 | 906 | Ben Pon | Racing Team Holland | 3rd |
| 26.6.1966 | Avus [S/GT] | 42 | 906 | Gijs van Lennep | Racing Team Holland | DNF |
| 26.6.1966 | Avus [S/GT] | 43 | 906 | Gerhard Koch | Gerhard Koch | 2nd |
| 26.6.1966 | Avus [S/GT] | 44 | 906 | Udo Schütz | Scuderia Lufthansa | 1st |
| 26.6.1966 | Avus [S/GT] | 51 | 356 Carrera | Peter Liersch | Peter Liersch | DNA |
| 26.6.1966 | Avus [S/GT] | 53 | 356 B | Franz Rühl | Franz Rühl | DNA |
| 26.6.1966 | Avus [S/GT] | 54 | 356 1600 Super | Manfred Ziemer | Manfred Ziemer | DNA |
| 26.6.1966 | GP Watkins Glen | 87 | 906 | Bill Bowman | William S. Bowman | DNS |
| 26.6.1966 | SCCA National Kent [Modified] | | | R. K. Smith | | DNF |
| 26.6.1966 | GP Watkins Glen | | 906 | Ken Miles | | DNS |
| 26.6.1966 | SCCA National Kent [Modified] | | 906 | Gary Wright | | DNA |
| 2.7.1966 | BAC Regionals Harewood Acres [Challenge Cup] | 8 | 550 RS | Dave Wolin | Dave Wolin | DNA |
| 2.7.1966 | BAC Regionals Harewood Acres [Challenge Cup] | 45 | 718 RS 61 | Rudy Bartling | Air Cool Machine Shop | 3rd |
| 2.7.1966 | BAC Regionals Harewood Acres [Challenge Cup] | 81 | 718 RS 61 | Wayne Kelly | Leavens London Motors | DNA |
| 2.7.1966 | BRSCC Oulton Park [GT] | 127 | 904 GTS | John Morris | Mefco Racing | 7th |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | 10 | 356 | Douglas Harding | | DNF |
| 3.7.1966 | Dalsland [GT2.0] | 13 | 911 | Leif Hansen | | 5th |
| 3.7.1966 | Dalsland [GT2.0] | 14 | 911 | Kenneth Ljungberg | | raced |
| 3.7.1966 | Dalsland [GT2.0] | 15 | | Hans Sundberger | | DNA |
| 3.7.1966 | SCCA National Courtland [CM+DM+EM+FM+GM+AP+BP+CP] | 17 | 906 | Charlie Kolb | | 1st |
| 3.7.1966 | Montes Claros | 26 | 356 B | Joăo Paulo Sottomayor | | raced |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | 27 | 356 | Don McIntosh | | 6th |
| 3.7.1966 | Montes Claros | 28 | 356 B 2000 GS Carrera GT | Américo Nunes | | raced |
| 3.7.1966 | SCCA National Courtland [CM+DM+EM+FM+GM+AP+BP+CP] | 55 | 904 GTS | Madison Smith | | 3rd |
| 3.7.1966 | SCCA National Courtland [CM+DM+EM+FM+GM+AP+BP+CP] | 81 | 718 | | | raced |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | 91 | 356 Speedster | Walt Hotchkiss | | 12th |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | 94 | 356 Super 90 | Jerry Frydenlund | | DNA |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | | 356 | Dick Brackenridge | | DNA |
| 3.7.1966 | Westwood [Handicap] | | 718 RSK | Paul Woodroffe | | 1st |
| 3.7.1966 | Westwood [AIP+BIP+CIP+DIP+EIP] | | 356 B Super 90 | Gary Wright | | 3rd |
| 3.7.1966 | Westwood [AIP+BIP+CIP+DIP+EIP] | | 356 1600 Normal | Scott Taylor | | 2nd |
| 3.7.1966 | Westwood [AIP+BIP+CIP+DIP+EIP] | | 904 GTS | Wade Carter | | 1st |
| 3.7.1966 | SCCA National Greenwood [CP+DP+EP] | | 356 Super 90 | Jerry Fry | | 10th |
| 3.7.1966 | Westwood [Modified+FJr.] | | 904 GTS | Wade Carter | | 2nd |
| 4.7.1966 | SCCA National Lime Rock [AP+BP+CP] | | 904 GTS | Sam Posey | | 3rd |
| 9.7.1966 | Martini Trophy Silverstone [GT+S2.0] | 28 | 906 | Mike de Udy | | 1st |
| 9.7.1966 | Martini Trophy Silverstone [GT+S2.0] | | 904 GTS | Martin Hone | | ?th |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 18 | 718 RS 61/62 | Dave Wolin | David Wolin | 16th |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 23 | 906 | Doug Revson | Doug Revson | 4th |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 45 | 718 RS 61 | Rudy Bartling | Air Cool | 9th |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 58 | 904 GTS | Jacques Duval | G. Lebeau | 12th |
| 10.7.1966 | SCCA Regional Cotati [CSR+DSR+ESR+FSR+GSR] | 60 | 906 | Don Wester | | DNA |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 111 | 906 | Charlie Kolb | Schroeder | 6th |
| 17.7.1966 | Clubman Suzuka [GT-II] | 15 | 906 | Shintaro Taki | | 1st |
| 17.7.1966 | DARM Norisring [SP] | 15 | 906 | Gerhard Mitter | Porsche KG | 1st |
| 17.7.1966 | DARM Norisring [SP] | 16 | 906 | | Porsche KG | DNA |
| 17.7.1966 | DARM Norisring [SP] | 18 | 906 | Udo Schütz | Scuderia Lufthansa | 2nd |
| 17.7.1966 | DARM Norisring [SP] | 19 | 906 | Ben Pon | Racing Team Holland | 4th |
| 17.7.1966 | DARM Norisring [SP] | 20 | 906 | Gijs van Lennep | Racing Team Holland | 3rd |
| 17.7.1966 | DARM Norisring [SP] | 27 | 904 GTS | Peter Ernst | Peter Ernst | ?th |
| 17.7.1966 | DARM Norisring [SP] | 29 | 904 | Helmut Wessel | Helmut Wessel | DNA |
| 17.7.1966 | DARM Norisring [SP] | 33 | 356 Carrera | Karlhorst Müller | Karlhorst Müller | DNA |
| 17.7.1966 | DARM Norisring [SP] | 34 | 906 | Sten Axelsson | Sten Axelsson | DNS |
| 17.7.1966 | DARM Norisring [SP] | 36 | 904 GTS | Rolf Stommelen | Rolf Stommelen | NC |
| 17.7.1966 | DARM Norisring [GT+1.6] | 50 | 911 | Carl-Gregor Auer | Carl-Gregor Auer | ?th |
| 17.7.1966 | DARM Norisring [GT+1.6] | 51 | 911 | Günter Besier | "Hans Kater" | ?th |
| 17.7.1966 | DARM Norisring [GT+1.6] | 52 | 911 | Werner Mössner | Werner Mössner | ?th |
| 17.7.1966 | DARM Norisring [GT+1.6] | 53 | 911 | Bernd Hillebrandt | Immob. Hillebrand | ?th |
| 17.7.1966 | DARM Norisring [GT+1.6] | 55 | 911 | Klaus Herbert | Klaus Herbert | DNA |
| 17.7.1966 | DARM Norisring [GT+1.6] | 56 | 911 | Rudi Trefz | Rudi Trefz | ?th |
| 17.7.1966 | SCCA National Mid-Ohio | 56 | 906 | Ralph Trieschmann | | 2nd |
| 17.7.1966 | DARM Norisring [GT+1.6] | 57 | 911 | Herbert Kistner | Herbert Kistner | DNA |
| 17.7.1966 | DARM Norisring [GT1.6] | 65 | 912 | Max v. Braunsmühl | Max v. Braunsmühl | DNF |
| 17.7.1966 | DARM Norisring [GT1.6] | 66 | 356 B Super 90 | "Fritz" | "Fritz USA" | DNA |
| 17.7.1966 | DARM Norisring [GT1.6] | 67 | | Ernst Schlee | Ernst Schlee | 5th |
| 17.7.1966 | DARM Norisring [GT1.6] | 68 | | Hans-Jürgen Sichel | Hans-Jürgen Sichel | DNA |
| 17.7.1966 | GP Mugello | 71 | 356 | Senni / Magnani | | DNS |
| 17.7.1966 | GP Mugello | 72 | 356 1600 | Giacomo Gaggioli | | 47th |
| 17.7.1966 | GP Mugello | 75 | 356 | Jan Oestlund | | DNA |
| 17.7.1966 | GP Mugello | 76 | 356 C 1600 SC | Rolando Tarenghi | | DNS |
| 17.7.1966 | GP Mugello | 78 | 912 | Parth / Baldo | | DNF |
| 17.7.1966 | GP Mugello | 79 | 912 | Mario Facca | | 39th |
| 17.7.1966 | GP Mugello | 81 | 356 B 1600 | Giuseppe Mariella | | 40th |
| 17.7.1966 | GP Mugello | 82 | 912 | Zavagli / Papini | | 31st |
| 17.7.1966 | GP Mugello | 84 | 912 | Antonio Porro | | DNS |
| 17.7.1966 | GP Mugello | 91 | 911 | Rosario Di Ronco | | DNS |
| 17.7.1966 | GP Mugello | 96 | 911 S | Vestey / Ward | | 24th |
| 17.7.1966 | GP Mugello | 102 | 911 | Bettoja / Fabri | | 19th |
| 17.7.1966 | GP Mugello | 151 | 904 GTS | Barbuscia / Carancini | | NC |
| 17.7.1966 | GP Mugello | 153 | 906 | Bettoja / Bulgari | | DNA |
| 17.7.1966 | GP Mugello | 154 | 906 | Mauro Cintolesi | priv. | DNF |
| 17.7.1966 | GP Mugello | 155 | 906 | Vögele / Siffert | Charles Vögele | DNF |
| 17.7.1966 | GP Mugello | 156 | 906 | de Udy / de Klerk | | 5th |
| 17.7.1966 | GP Mugello | 158 | 906 | Koch / Neerpasch | Porsche System | 1st |
| 17.7.1966 | GP Mugello | 170 | 906 | André Wicky | | DNS |
| 17.7.1966 | GP Mugello | 172 | 906 | Antonio Finiguerra | | DNS |
| 17.7.1966 | GP Mugello | 182 | 904 GTS | "Gano" | | DNF |
| 17.7.1966 | DARM Norisring [SP] | | 356 Carrera | Hans-Jürgen Sichel | H.-Jürgen Sichel | DNF |
| 17.7.1966 | SCCA National Mid-Ohio | | 906 | Ed Hugus | | 3rd |
| 17.7.1966 | GP Mugello | | 904 GTS | Gano | | DNA |
| 23.7.1966 | BRSCC Oulton Park [GT] | 140 | 904 GTS | Martin Hone | Mefco Racing | DNS |
| 24.7.1966 | DARM Hockenheim [GT/SP+1.6] | 1 | 906 | Udo Schütz | | 1st |
| 24.7.1966 | DARM Hockenheim [GT/SP+1.6] | 2 | 906 | Ben Pon | | DNA |
| 24.7.1966 | DARM Hockenheim [GT/SP+1.6] | 3 | 906 | Gijs van Lennep | | DNA |
| 24.7.1966 | DARM Hockenheim [GT/SP+1.6] | | 911 | Carl-Gregor Auer | | 8th |
| 24.7.1966 | DARM Hockenheim [GT/SP+1.6] | | 911 | Herbert Kistner | | 5th |