| 4.9.1966 | Santa Barbara [CSR+DSR+ESR+FSR+GSR] | 2 | | Dan Davis | Lotus Southwest | DNA |
| 4.9.1966 | SM Skarpnäck [SP2.0] | 6 | | Göte-Ingvar Johansson | Hyllinge MS | 6th |
| 4.9.1966 | Santa Barbara [CSR+DSR+ESR+FSR+GSR] | 22 | | Jim Paul | Jim Paul | DNA |
| 4.9.1966 | SMRC Ingliston [S/Special GT1.2] | 36 | | John Nicholson | J. Nicholson | 3rd |
| 4.9.1966 | Santa Barbara [CSR+DSR+ESR+FSR+GSR] | 41 | | Dioguardi | Dio Bros. | DNA |
| 4.9.1966 | SMRC Ingliston [S/Special GT1.2] | 116 | | John Corfield | | DNE |
| 4.9.1966 | SM Skarpnäck [SP2.0] | | | Anders Josephson | Stockholms SVK | 5th |
| 4.9.1966 | Vallelunga [P1.0] | | | Bruno Momigliano | | 3rd |
| 5.9.1966 | Fort Macleod | | | Harold Brown | | DNF |
| 5.9.1966 | Fort Macleod | | | George Chapman | | 6th |
| 10.9.1966 | PMC Silverstone [SR] | 100 | | Peter Martin | P. J. Martin | raced |
| 10.9.1966 | PMC Silverstone [SR] | 102 | | John Corfield | J. H. Plant | raced |
| 11.9.1966 | Can-Am St. Jovite | 72 | | Phil Seitz | Phil Seitz | DNF |
| 11.9.1966 | Can-Am St. Jovite | | | Max Biemler | | DNA |
| 24.9.1966 | Can-Am Mosport | 40 | | Harvey Craig | Toronto Mould Engineering | DNA |
| 24.9.1966 | Can-Am Mosport | 72 | | Phil Seitz | Phil Seitz | DNQ |
| 25.9.1966 | SM Dalsland [SP2.0] | 4 | | Sven Carrhage | | DNA |
| 25.9.1966 | SM Dalsland [SP2.0] | 5 | #23-S-117? | Gustaf Dieden | Karlsgoga MK | 4th |
| 25.9.1966 | SM Dalsland [SP2.0] | 10 | | Göte-Ingvar Johansson | | DNA |
| 1.10.1966 | 8 Clubs Silverstone [Sports] | | | Jacquie Bond-Smith | | 12th |
| 1.10.1966 | 8 Clubs Silverstone [Sports] | | | Peter Gaydon | | 6th |
| 1.10.1966 | 8 Clubs Silverstone [Sports] | | | Jim Morley | | 5th |
| 2.10.1966 | Tulln-Langenlebarn [Sports] | 4 | | Anton Fischhaber | Anton Fischhaber | raced |
| 2.10.1966 | Tulln-Langenlebarn [Sports] | 15 | | Xavier Perrot | Squadra Tartaruga | 7th |
| 2.10.1966 | Tulln-Langenlebarn [Sports] | 23 | | Peter Behnke | Autohaus Behnke München | 8th |
| 2.10.1966 | SMRC Ingliston [S1.2] | 40 | | John Corfield | J. Corfield | DNA |
| 2.10.1966 | SMRC Ingliston [S1.2] | 45 | | John Nicholson | J. Nicholson | DNF |
| 2.10.1966 | Westwood | | | George Chapman | | 4th |
| 2.10.1966 | Westwood | | | John Stuhldreier | | 6th |
| 2.10.1966 | Westwood | | | Dick Schmidt | | ?th |
| 2.10.1966 | Guards Trophy Brands Hatch [S+2.5/GT+2.5] | | | Richard Knight | | 4th |
| 2.10.1966 | Westwood | | | Tony Boothby | | ?th |
| 2.10.1966 | Westwood | | | Ken Legg | | ?th |
| 2.10.1966 | Westwood | | | Paul Scott | | ?th |
| 2.10.1966 | Westwood | | | Pierre Phillips | | 2nd |
| 2.10.1966 | Westwood | | | Harold Brown | | ?th |
| 8.10.1966 | BARC Silverstone [Sports] | 65 | | Jacquie Bond-Smith | J. E. Bond-Smith | DNA |
| 8.10.1966 | BARC Silverstone [Sports] | 81 | | Peter Gaydon | P. J. Martin | DNA |
| 9.10.1966 | 200 mile Kent | 3 | | Pierre Phillips | | 11th |
| 9.10.1966 | 200 mile Kent | 69 | | Eric Anderson | | 13th |
| 9.10.1966 | 200 mile Kent | 73 | | Ken Legg | | DNA |
| 9.10.1966 | NSCC Mallory Park [SR] | 108 | | Ken Crook | Ken Crook | raced |
| 9.10.1966 | NSCC Mallory Park [SR] | 109 | | Peter Gaydon | Peter Gaydon | raced |
| 9.10.1966 | Preis von Tirol [SP2.0] | 110 | | Richard Knight | Richard Knight | ?th |
| 9.10.1966 | NSCC Mallory Park [SR] | 110 | | Jack Paterson | Race Proved by Willment | raced |
| 9.10.1966 | Preis von Tirol [SP2.0] | 117 | | Werner Dinkel | Vereinigung Süddeutscher Automobilsportlaer | DNA |
| 9.10.1966 | Preis von Tirol [SP2.0] | 118 | | Anton Fischhaber | ÖASC | ?th |
| 9.10.1966 | Preis von Tirol [SP2.0] | 119 | | Endrik Fleischmann | Endrik Fleischmann | DNA |
| 9.10.1966 | 200 mile Kent | | | Harold Brown | | 8th |
| 9.10.1966 | 200 mile Kent | | | Paul Scott | | 6th |
| 16.10.1966 | Aspern [SRP] | 91 | | Xavier Perrot | ÖASC | 8th |
| 16.10.1966 | Aspern [SRP] | 92 | | Richard Knight | Richard Knight | 7th |
| 16.10.1966 | Aspern [SRP] | 93 | | Anton Fischhaber | ÖASC | 6th |
| 16.10.1966 | Preliminary Watkins Glen [ESR+FSR+GSR+CP]] | | | Mickey Cohen | | 1st |
| 16.10.1966 | SCCA Regional Watkins Glen [ESR+FSR+GSR+CP]] | | | Mickey Cohen | | 1st |
| 30.10.1966 | Can-Am Riverside | 41 | | Dino Dioguardi | Dio Bros. Sports Car Center | DNA |
| 30.10.1966 | Can-Am Riverside | 68 | | Charles Kulmann | Charles Kulmann | DNA |
| 5.11.1966 | 9 h Kyalami | 17 | | Berrington-Smith / Jefferies | Team Thompson Bros. | DNF |
| 5.11.1966 | 9 h Kyalami | 18 | | Haycock / Joubert | J. Haycock | DNF |
| 20.11.1966 | GP Macau | | #23-S-4? | Albert Poon | | 2nd |
| 20.11.1966 | GP Macau | | | Steve Holland | | 5th |
| 26.11.1966 | US Champions Riverside [GSR+HSR] | 22 | | Wick Williams | | DNF |
| 26.11.1966 | US Champions Riverside [GSR+HSR] | 61 | | John Stuhldreier | | 4th |
| 26.11.1966 | US Champions Riverside [GSR+HSR] | 71 | | Rich Erickson | | 2nd |
| 26.11.1966 | US Champions Riverside [GSR+HSR] | 72 | | Marion Whittington | | 10th |
| 26.11.1966 | US Champions Riverside [GSR+HSR] | 73 | #23-S-93 | Bill Molle | | 5th |
| 26.11.1966 | US Champions Riverside [GSR+HSR] | 413 | | David Biggs | | 15th |
| 27.11.1966 | US Champions Riverside [CSR+DSR+ESR+FSR] | 521 | | Paul Jett | | 6th |
| 27.11.1966 | US Champions Riverside [CSR+DSR+ESR+FSR] | 621 | | Eric Anderson | | DNF |
| 27.11.1966 | US Champions Riverside [CSR+DSR+ESR+FSR] | 622 | | Dick Schmidt | | DNF |
| 27.11.1966 | US Champions Riverside [CSR+DSR+ESR+FSR] | 701 | | Ed Luke | | 12th |
| 27.11.1966 | US Champions Riverside [CSR+DSR+ESR+FSR] | 703 | | Dan Parkinson | | DNF |
| 27.11.1966 | US Champions Riverside [CSR+DSR+ESR+FSR] | 721 | #23-S-53 | Frank Monise | | 9th |
| 27.11.1966 | US Champions Riverside [CSR+DSR+ESR+FSR] | 723 | | Charles Kulmann | | 17th |
| 2.12.1966 | Governor's Trophy & Nassau TT | 50 | | John Poland | | 9th |
| 4.12.1966 | Nassau Trophy | 50 | | John Poland | | 44th |
| 27.12.1966 | 3 h Roy Hesketh | 9 | | Tony Jefferies | Team Thompson Bros. | raced |