| 6.2.1966 | 24 h Daytona | 79 | | Richards / Cuomo | Autosport | NC |
| 6.3.1966 | BRSCC Brands Hatch [Marque] | | | Brian Ashwood | | raced |
| 6.3.1966 | BRSCC Brands Hatch [Marque] | | | John Maun | | raced |
| 20.3.1966 | 60 minute Juarez [Handicap 2.0] | | | Marc Ferland | | 2nd |
| 26.3.1966 | 12 h Sebring | 66 | | Aaltonen / Baker | Donald Healey Motor Co. | 29th |
| 26.3.1966 | 12 h Sebring | 67 | #HANS8-R143 | Hawkins / Mäkinen | Donald Healey Motor Co. | 18th |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 26 | | Ron Sears | | DNA |
| 3.4.1966 | SCCA Regional Kirker Creek [CM+DM+EM+FM+GM+DP] | 37 | | David Campbell | | DNA |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 133 | | Roger Eccles | R. Eccles | raced |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 135 | | Peter Smith | P. J. Smith | ?th |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 136 | | David MacRae | D. I. MacRae | raced |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 137 | | C. J. P. Davis | C. J. P. Davis | raced |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 138 | | Terry Watts | D. T. Watts | raced |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 141 | | John Moore | R. Groves | raced |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 142 | | David Corderoy | Cortune Engineering Co. Ltd. | ?th |
| 11.4.1966 | BRSCC Mallory Park [Marque] | 156 | | E. Ward | E. Ward | raced |
| 17.4.1966 | SMRC Ingliston [Marque 1.2] | 62 | | J. I. Johnson | J. I. Johnson | DNA |
| 17.4.1966 | SMRC Ingliston [Marque 1.2] | 64 | | Tom Walkinshaw | T. Walkinshaw | 4th |
| 17.4.1966 | SMRC Ingliston [Marque 1.2] | 66 | | Ian Kirkwood | I. W. N. Kirkwood | DNA |
| 17.4.1966 | SMRC Ingliston [Marque 1.2] | 67 | | D. G. G. Black | D. G. G. Black | DNA |
| 17.4.1966 | SMRC Ingliston [Marque 1.2] | 69 | | Andrew Hutchison | W. Shepherd | 2nd |
| 17.4.1966 | SMRC Ingliston [Marque 1.2] | 74 | | Al Fleming | A. Fleming | DNA |
| 24.4.1966 | BARC Brands Hatch [Marque] | 150 | | John Britten | J. Britten | DNA |
| 24.4.1966 | BARC Brands Hatch [Marque] | 151 | | Keith Grant | K. L. Grant | DNF |
| 24.4.1966 | BARC Brands Hatch [Marque] | 152 | | R. M. Doidge | R. M. Doidge | DNA |
| 24.4.1966 | BARC Brands Hatch [Handicap] | 152 | | J. W. Nicholls | R. M. Doidge | raced |
| 7.5.1966 | BARC Oulton Park [Marque] | 61 | | J. M. Dean | J. M. Dean | 12th |
| 8.5.1966 | 500 mile Brands Hatch | 44 | | Garton / Corderoy | Corture Engineering Co. Ltd. | 15th |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 51 | | Al Fleming | A. Fleming | DNA |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 52 | | J. C. Forsyth | J. C. Forsyth | 4th |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 54 | | Andrew Hutchison | W. Shepherd | DNA |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 57 | | W. Ness | A. I. Gray | DNA |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 58 | | J. I. Johnson | J. I. Johnson | 5th |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 59 | | D. G. G. Black | D. G. G. Black | DNA |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 60 | | John Moore | Richard Groves Racing | 2nd |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 61 | | Ian Kirkwood | I. W. N. Kirkwood | 3rd |
| 8.5.1966 | SMRC Ingliston [Marque 1.2] | 62 | | Tom Walkinshaw | T. D. Walkinshaw | DNA |
| 8.5.1966 | Targa Florio | 208 | | Aaltonen / Baker | Donald Healey Motor Co. | 20th |
| 22.5.1966 | 1000 km Spa | 19 | | Harris / Garton | Donald Healey Motor Co. | 11th |
| 22.5.1966 | 1000 km Spa | 20 | | Poole / Harris | Donald Healey Motor Co. | 13th |
| 28.5.1966 | MCMRC Oulton Park [Sports] | 5 | | Robert Gibson | Robert Gordon Gibson | DNA |
| 28.5.1966 | AMOC Silverstone [S1.6] | 38 | | J. K. Palmer | J. K. Palmer | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 27 | | John Moore | R. Groves | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 31 | | Roger Eccles | R. Eccles | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 32 | | Keith Grant | K. L. Grant | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 33 | | David Hall | D. C. R. Hall | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 34 | | John Maun | J. D. Maun | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 36 | | J. H. Carr | L. T. Gibbins | DNA |
| 30.5.1966 | Whitsun Goodwood [Marque] | 37 | | W. A. Cooper | J. Jeffcoat | DNA |
| 30.5.1966 | NSCC Silverstone [Marque] | 85 | | Tony Meade-King | A. Meade-King | raced |
| 30.5.1966 | NSCC Silverstone [Marque] | 87 | | Andy Belcher | Andy Belcher | raced |
| 30.5.1966 | NSCC Silverstone [Marque] | 88 | | Alan Woode | A. D. Woode | raced |
| 30.5.1966 | NSCC Silverstone [Marque] | 89 | | David Crook | David Crook | ?th |
| 30.5.1966 | NSCC Silverstone [Marque] | 90 | | Philip Tucker | Philip Tucker | raced |
| 30.5.1966 | NSCC Silverstone [Marque] | 91 | | Bill Graham | W. G. Graham | raced |
| 30.5.1966 | NSCC Silverstone [Marque] | 92 | | Alan Goodwin | Alan J. Goodwin | ?th |
| 30.5.1966 | NSCC Silverstone [Marque] | 94 | | John Elvers | John Elvers | ?th |
| 30.5.1966 | NSCC Silverstone [SR] | 94 | | John Elvers | John Elvers | raced |
| 30.5.1966 | NSCC Silverstone [Marque] | 112 | | Alec Poole | Speed Sport Conversions | 1st |
| 4.6.1966 | 8 Clubs Silverstone [Handicap A] | 5 | | M. J. Prior | M. J. Prior | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Race B] | 5 | | M. J. Prior | M. J. Prior | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Handicap A] | 53 | | I. Griffiths | I. Griffiths | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Handicap A] | 55 | | R. C. Dollar | R. C. Dollar | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Race B] | 55 | | R. C. Dollar | R. C. Dollar | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Race B] | 89 | | Peter Mitchell | P. Mitchell | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Handicap B] | 89 | | Peter Mitchell | P. Mitchell | DNA |
| 4.6.1966 | BARC Oulton Park [Marque+Special GT] | 94 | | David MacRae | David MacRae | DNA |
| 4.6.1966 | BARC Oulton Park [Marque+Special GT] | 98 | | John Maun | J. D. Maun | DNS |
| 4.6.1966 | BARC Oulton Park [Marque+Special GT] | 100 | | David Hall | J. D. Maun | DNA |
| 4.6.1966 | Player's Mosport [Production] | | | Wilf Becker | | 12th |
| 5.6.1966 | 1000 km Nürburgring | 34 | | Baker / Moore | Richard Groves | 20th |
| 5.6.1966 | 1000 km Nürburgring | 35 | | Garton / Poole | Richard Groves | 22nd |
| 5.6.1966 | 1000 km Nürburgring | 124 | | Cooper / Dunnell | John Jeffcoat | DNQ |
| 5.6.1966 | Bulawayo 100 | | | R. Croucamp | | 4th |
| 12.6.1966 | Hockenheim [GT/S] | | | K.-H. Rengels | | ?th |