| 6.2.1966 | 24 h Daytona | 40 | TR4 | Waltman / Swanson / Cone | Genser Forman | 28th |
| 6.2.1966 | 24 h Daytona | 41 | LM | Kleinpeter / Fry / Parsons | E. P. Drescher | 22nd |
| 6.2.1966 | 24 h Daytona | 42 | TR4 | Hughes / Salo / Addison | John Addison | DNF |
| 6.2.1966 | 24 h Daytona | 43 | TR4 A | Kelder / Dube / Wilson | Cannon Auto | 23rd |
| 6.2.1966 | 24 h Daytona | 45 | TR4 A | Byrne / Vega | John Kingham | 24th |
| 13.2.1966 | SCCA Regional Green Valley [GM+HM+CP+DP] | | TR4 | Vic Campbell | | ?th |
| 13.2.1966 | SCCA Regional Green Valley [GM+HM+CP+DP] | | TR4 | Don Stacker | | ?th |
| 20.2.1966 | SCCA Regional Willow Springs [CM+DM+EM+FM+GM+AP+BP+CP+DP] | | TR4 A | Jim Dittemore | | 5th |
| 27.2.1966 | SCCA National Phoenix [BP+CP+DP+EP] | | TR4 A | Jim Dittemore | | 2nd |
| 13.3.1966 | ICNSCC Delta Park [AIP+BIP+CIP+DIP+EIP] | | TR4 | Chris Curtin | | ?th |
| 13.3.1966 | ICNSCC Delta Park [Modified] | | TR4 Special | Tom Fox | | ?th |
| 20.3.1966 | 60 minute Juarez [Handicap 2.0] | | TR3 | | | raced |
| 20.3.1966 | 60 minute Juarez [Handicap 2.0] | | TR4 | | | raced |
| 20.3.1966 | SCCA National Willow Springs [AP+BP+CP+DP] | | TR4 A | Jim Dittemore | | ?th |
| 26.3.1966 | 12 h Sebring | 39 | TR4 A | Tullius / Gates | Standard Triumph Motor Co. | DNF |
| 26.3.1966 | 12 h Sebring | 40 | TR4 A | Gilmartin / Rothschild | Standard Triumph Motor Co. | 23rd |
| 26.3.1966 | 12 h Sebring | 41 | TR4 A | Froines / Pendleton | Standard Triumph Motor Co. | 19th |
| 26.3.1966 | 12 h Sebring | 42 | TR4 A | Heimrath / Hill | Standard Triumph Motor Co. | 26th |
| 26.3.1966 | 12 h Sebring | 92 | TR4 A | Vega / Kingham / Byrne | John Kingham | 28th |
| 3.4.1966 | SCCA National Marlboro [CP+DP] | 6 | TR4 | Jim Taylor | | DNA |
| 3.4.1966 | SCCA National Marlboro [CP+DP] | 8 | TR4 A | Stephen Lange | | DNA |
| 3.4.1966 | SCCA National Marlboro [CP+DP] | 14 | TR4 | Watson Kime | | DNA |
| 3.4.1966 | SCCA National Marlboro [CP+DP] | 41 | TR4 | William MacFarlane | | DNA |
| 3.4.1966 | SCCA National Marlboro [CP+DP] | 44 | TR4 A | Bob Tullius | Group 44 | DNF |
| 3.4.1966 | SCCA National Marlboro [CP+DP] | 46 | TR4 | John Williams | | DNA |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 48 | TR4 | Steve Froines | | 6th |
| 3.4.1966 | SCCA National Marlboro [CP+DP] | 71 | TR4 | Dick Stockton | | DNA |
| 3.4.1966 | SCCA National Marlboro [CP+DP] | 74 | TR4 | Buzz Marcus | | 3rd |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 83 | TR4 | William Martin | | 9th |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 84 | TR4 | Neil Lynch | | DNA |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 88 | TR4 | Phil Reilley | | 10th |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 99 | TR4 | Pete Tracey | | DNA |
| 3.4.1966 | SCCA National Tucson [CP+DP] | | TR4 A | Jim Dittemore | | 1st |
| 3.4.1966 | ICNSCC Westwood [Production] | | TR4 | Chuck McKaig | | 2nd |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 132 | Spitfire | C. I. Williams | C. I. Williams | raced |
| 11.4.1966 | Sussex Trophy Goodwood | 139 | Spitfire | | W. Bradley | DNA |
| 17.4.1966 | SMRC Ingliston [Marque 1.2] | 72 | Spitfire | Tommy Thomson | T. N. Thomson | 5th |
| 17.4.1966 | SMRC Ingliston [Marque 1.2] | 73 | Spitfire | J. Gemmell | J. Gemmell | DNA |
| 17.4.1966 | SCCA National Vineland [DP+EP] | | TR4 A | Bob Tullius | | DNF |
| 17.4.1966 | SCCA National Fernandina Beach [GM+HM+DP+EP] | | TR4 | J. Kingham | | ?th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 4 | Spitfire | D. Svensson | | DNA |
| 24.4.1966 | BARC Brands Hatch [Marque] | 130 | TR4 SLR | Neil Dangerfield | N. H. Dangerfield | DNA |
| 24.4.1966 | BARC Brands Hatch [Marque] | 154 | Spitfire | Michael Costin | W. Bradley | 4th |
| 24.4.1966 | BARC Brands Hatch [Marque] | 155 | Spitfire | Charles Hodgson | Lt. Cdr. C. A. C. Hodgson | ?th |
| 24.4.1966 | BARC Brands Hatch [Handicap] | 155 | Spitfire | A. F. Pateman | Lt. Cdr. C. A. C. Hodgson | raced |
| 24.4.1966 | Coupes de Vitesse | | Spitfire | Alain Serpaggi | | 6th |
| 1.5.1966 | SCCA National Virginia [CP+DP] | 44 | TR4 A | Bob Tullius | Group 44 | DNF |
| 1.5.1966 | SCCA National Virginia [CP+DP] | 61 | TR4 | Jim Taylor | | 4th |
| 1.5.1966 | SCCA National Virginia [CP+DP] | 146 | TR4 | John Williams | | 6th |
| 1.5.1966 | SCCA National Virginia [CP+DP] | 171 | TR4 A | Dick Stockton | | DNF |
| 1.5.1966 | SCCA National Virginia [CP+DP] | 174 | TR4 A | Buzz Marcus | | 5th |
| 1.5.1966 | SCCA National Newport [CP+DP+EP?] | | TR4 | Bill Pendleton | | ?th |
| 7.5.1966 | 750 MC Silverstone [S+1.4] | 10 | TR2 | Andrew Perkins | A. J. E. Perkins | DNA |
| 7.5.1966 | BARC Oulton Park [Marque] | 51 | TR4 | Roger Sparkes | R. B. Sparkes | DNA |
| 7.5.1966 | BARC Oulton Park [Marque] | 52 | TR3 A | Richard Butterfield | Richard Butterfield | DNA |
| 7.5.1966 | BARC Oulton Park [Handicap] | 52 | TR3 A | Richard Butterfield | Richard Butterfield | DNA |
| 7.5.1966 | BARC Oulton Park [Marque] | 58 | Spitfire | E. C. Cotterill | E. Cotterill | DNA |
| 7.5.1966 | BARC Oulton Park [Marque] | 59 | Spitfire | Michael Costin | W. Bradley | 7th |
| 7.5.1966 | BARC Oulton Park [Special GT] | 60 | Spitfire | A. F. Pateman | Lt. Cdr. C. A. C. Hodgson | DNF |
| 7.5.1966 | BARC Oulton Park [Marque] | 60 | Spitfire | Charles Hodgson | Lt. Cdr. C. A. C. Hodgson | 8th |
| 8.5.1966 | 500 mile Brands Hatch | 41 | Spitfire | Hunt / Thomson | E. Hunt | DNF |
| 8.5.1966 | 500 mile Brands Hatch | 42 | Spitfire | Goodwin / Powell | M. Goodwin | 16th |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 48 | TR4 | Steve Froines | | DNA |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 56 | Spitfire | J. Gemmell | J. Gemmell | 6th |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 83 | TR4 | William Martin | | DNA |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 84 | TR4 | Neil Lynch | | DNA |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 88 | TR4 | Phil Reilly | | DNA |
| 8.5.1966 | SCCA Regional Laguna Seca [AP+BP+CP+DP] | 99 | TR4 | Pete Tracey | | DNA |
| 15.5.1966 | SCCA National Cumberland [DP] | 5 | TR4 | Harvey Marks | Harvey Marks | DNA |
| 15.5.1966 | SCCA National Cumberland [DP] | 14 | TR4 | Watson Kime | Watson Kime | DNA |
| 15.5.1966 | SCCA National Cumberland [DP] | 41 | TR4 | William MacFarlane | William MacFarlane | DNA |
| 15.5.1966 | SCCA National Cumberland [DP] | 44 | TR4 A | Bob Tullius | Group 44 | DNA |
| 15.5.1966 | SCCA National Cumberland [DP] | 71 | TR4 | Dick Stockton | Dick Stockton | DNA |
| 15.5.1966 | SCCA National Cumberland [DP] | 74 | TR4 | Buzz Marcus | Buzz Marcus-Glenside Motors | DNA |
| 28.5.1966 | AMOC Silverstone [S+1.6] | 26 | TR2 | Andrew Perkins | A. J. E. Perkins | DNA |
| 29.5.1966 | Hockenheim [S1.6] | | TR4 | S. Ziemer | | 8th |
| 30.5.1966 | Whitsun Goodwood [Marque] | 2 | TR4 SLR | Neil Dangerfield | N. H. Dangerfield | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 28 | Spitfire | | W. Bradley | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 29 | Spitfire | Hodgson / Pateman | Lt. Cdr. C. A. C. Hodgson | DNA |
| 30.5.1966 | Whitsun Goodwood [Sports/GT] | 29 | Spitfire | Hodgson / Pateman | Lt. Cdr. C. A. C. Hodgson | DNA |
| 30.5.1966 | NSCC Silverstone [Marque] | 136 | TR2 | A. J. Pericini | | raced |
| 4.6.1966 | 8 Clubs Silverstone [Handicap A] | 6 | TR2 | D. G. Salmon | D. G. Salmon | DNA |
| 4.6.1966 | Player's Mosport [Production] | | TR4 | Jack Roswell | | 7th |
| 4.6.1966 | Player's Mosport [Production] | | TR4 A | Craig Hill | | 4th |
| 5.6.1966 | 1000 km Nürburgring | 39 | Spitfire | Bradley / Neal | Bill Bradley | DNF |
| 12.6.1966 | SCCA Mid-America [CM+DM+EM+FM+GM+AP+BP+CP+DP+EP] | | TR4 | Robert Smith | | ?th |
| 18.6.1966 | BARC Silverstone [Marque] | 85 | TR4 SLR | Neil Dangerfield | C. J. Lawrence | DNA |
| 18.6.1966 | BARC Silverstone [Special GT+1.6/GT1.15] | 99 | Spitfire | A. F. Pateman | Lt. Comdr. C. A. C. Hodgson | DNA |
| 18.6.1966 | BARC Silverstone [Marque] | 99 | Spitfire | Charles Hodgson | Lt.-Comdr. C. A. C. Hodgson | DNA |
| 18.6.1966 | June Sprints Road America [AP+BP+CP] | | TR4 A | Steve Froines | | ?th |
| 18.6.1966 | June Sprints Road America [AP+BP+CP] | | TR4 A | Bill Pendleton | | ?th |
| 18.6.1966 | June Sprints Road America [AP+BP+CP] | | TR4 A | Jim Dittemore | | ?th |
| 18.6.1966 | BEMC National Mosport [Novice] | | TR4 | Philip Allno | | 2nd |