| 1.1.1966 | East London [T/GT+1.6] | 87 | Cobra | Bob Olthoff | Bob Olthoff Motors | DNA |
| 1.1.1966 | GP East London | 87 | Cobra | Bob Olthoff | Bob Olthoff Motors | 4th |
| 8.1.1966 | Killarney | 87 | Cobra | Bob Olthoff | Bob Olthoff Motors | DNF |
| 3.4.1966 | SCCA National Tucson [CP+DP] | | Ace | Gil Ranney | | 2nd |
| 9.4.1966 | BRSCC Oulton Park [S/GT] | 31 | Cobra | Brian Wilson | Brian Wilson | 13th |
| 9.4.1966 | BRSCC Oulton Park [GT] | 138 | Cobra | Chris Lawrence | Chris Lawrence | DNA |
| 7.5.1966 | 750 MC Silverstone [S+1.4] | 6 | Ace | Jeremy Nightingale | J. Nightingale | DNA |
| 7.5.1966 | 750 MC Silverstone [S+1.4] | 28 | | B. P. Bird | B. P. Bird | DNA |
| 7.5.1966 | BARC Oulton Park [Marque] | 37 | Cobra | Olmer Harris | Oliver Harris | DNA |
| 7.5.1966 | BARC Oulton Park [Handicap] | 37 | Cobra | Olmer Harris | Oliver Harris | DNA |
| 7.5.1966 | BARC Oulton Park [Special GT] | 37 | Cobra | Olmer Harris | Oliver Harris | DNS |
| 28.5.1966 | MCMRC Oulton Park [GT] | 43 | Cobra | Brian Wilson | Brian Wilson | DNS |
| 28.5.1966 | AMOC Silverstone [S+1.6] | 103 | Cobra | G. Dempsey | G. Dempsey | DNA |
| 30.5.1966 | NSCC Silverstone [SR] | 57 | Cobra | Brian Wilson | J. B. Wilson | DNA |
| 30.5.1966 | NSCC Silverstone [Special GT] | 58 | Cobra | Chris Lawrence | C. Lawrence | DNA |
| 30.5.1966 | NSCC Silverstone [Special GT] | 130 | Ace | Jeremy Nightingale | Jeremy Nightingale | DNF |
| 30.5.1966 | NSCC Silverstone [Marque] | 130 | Ace | Jeremy Nightingale | | raced |
| 30.5.1966 | NSCC Silverstone [Formula Libre] | 132 | Aceca | John Heather | John F. Heather | DNA |
| 30.5.1966 | NSCC Silverstone [Special GT] | 132 | Aceca | John Heather | John F. Heather | raced |
| 30.5.1966 | NSCC Silverstone [Formula Libre] | 133 | Cobra | Lord Cross | Lord Cross | DNA |
| 30.5.1966 | NSCC Silverstone [Special GT] | 133 | Cobra | Lord Cross | Lord Cross | 3rd |
| 4.6.1966 | 8 Clubs Silverstone [Race A] | 26 | Cobra | Lord Cross | Lord Cross | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Handicap B] | 26 | Cobra | Lord Cross | Lord Cross | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Handicap B] | 48 | Cobra | G. Dempsey | G. Dempsey | DNA |
| 4.6.1966 | 8 Clubs Silverstone [Race A] | 48 | Cobra | G. Dempsey | G. Dempsey | DNA |
| 12.6.1966 | SCCA Regional Metropolitan Stadium [DP+EP] | | Ace | Leigh Gardner | Leighton Gardner | 1st |
| 18.6.1966 | BARC Silverstone [Marque] | 88 | Ace | Jeremy Nightingale | J. Nightingale | DNA |
| 18.6.1966 | BARC Silverstone [Handicap] | 165 | Cobra | Olmer Harris | O. D. Harris | DNA |
| 18.6.1966 | BARC Silverstone [Special GT+1.6/GT1.15] | 165 | Cobra | Simon de Lautour | O. D. Harris | DNA |
| 19.6.1966 | DARM Mainz-Finthen [S+1.6] | | Cobra | Max-Egon Magner | | ?th |
| 2.7.1966 | BARC Crystal Palace [Special GT/Marque] | 65 | Cobra | Brian Muir | Race Proved by Willment | raced |
| 2.7.1966 | BARC Crystal Palace [Special GT/Marque] | 66 | Cobra | Lord Cross | Lord Cross | raced |
| 2.7.1966 | BARC Crystal Palace [Special GT/Marque] | 67 | Cobra | Olmer Harris | O. D. Harris | DNS |
| 17.7.1966 | DARM Norisring [GT+1.6] | 40 | Cobra | Brian Muir | Willment | 1st |
| 17.7.1966 | GP Mugello | 199 | Cobra | Lord Cross | | DNF |
| 24.7.1966 | DARM Hockenheim [GT/SP+1.6] | | Cobra | Max-Egon Magner | | 9th |
| 14.8.1966 | ADAC Zandvoort | | Cobra | Max-Egon Magner | | ?th |
| 20.8.1966 | BARC Oulton Park [Handicap] | 53 | Ace | Tony Smith | Tony Smith | ?th |
| 20.8.1966 | BARC Oulton Park [Marque] | 53 | Ace | Tony Smith | Tony Smith | 21st |
| 21.8.1966 | 12 h Surfers Paradise | 18 | Cobra | Thorpe / Sulman | Ron Thorpe's Bargain Barn Pty. Ltd. | 9th |
| 29.8.1966 | NSCC Silverstone [Marque] | 76 | Ace | Jeremy Nightingale | Jeremy Nightingale | DNA |
| 29.8.1966 | NSCC Silverstone [SR] | 110 | Cobra | Lord Cross | Lord Cross | DNA |
| 29.8.1966 | NSCC Silverstone [Special GT] | 110 | Cobra | Lord Cross | Lord Cross | DNA |
| 3.9.1966 | 200 mile Road America | 13 | Ace | Gardner / Ellsworth | Leighton E. Gardner | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 139 | Ace | Tony Smith | A. Smith | DNA |
| 17.9.1966 | Gold Cup Oulton Park | 57 | Cobra Daytona Coupe | Brian Muir | Brian Muir | 5th |
| 1.10.1966 | 8 Clubs Silverstone [GT+1.6] | 152 | Cobra | Lord Cross | Lord Cross | 6th |
| 1.10.1966 | 8 Clubs Silverstone [Sports] | 152 | Cobra | Lord Cross | Lord Cross | 8th |
| 1.10.1966 | 8 Clubs Silverstone [GT+1.6] | 212 | Ace | Tony Smith | A. Smith | 14th |
| 2.10.1966 | Guards Trophy Brands Hatch [S+2.5/GT+2.5] | | Cobra | John Miles | | 5th |
| 8.10.1966 | BARC Silverstone [Sports] | 61 | Cobra | Lord Cross | Lord Cross | DNA |
| 8.10.1966 | BARC Silverstone [Special GT] | 61 | Cobra | Lord Cross | Lord Cross | DNA |
| 9.10.1966 | NSCC Mallory Park [Special GT +1.15] | 83 | Cobra | Lord Cross | Lord Cross | DNA |
| 9.10.1966 | NSCC Mallory Park [SR] | 83 | Cobra | Lord Cross | Lord Cross | raced |
| 27.11.1966 | US Champions Riverside [CSR+DSR+ESR+FSR] | 42 | | Art Elting | | 14th |