| 4.7.1966 | SCCA National Galveston [AP+BP] | | Cobra | Rod Lambeth | | 1st |
| 4.7.1966 | SCCA National Galveston [AP+BP] | | GT350 R | Fred van Beuren, Jr. | | 2nd |
| 4.7.1966 | SCCA National Lime Rock [AP+BP+CP] | | Cobra | Ed Lowther | | 1st |
| 4.7.1966 | SCCA National Lime Rock [AP+BP+CP] | | Cobra | Bob Grossman | | 2nd |
| 9.7.1966 | Martini Trophy Silverstone | 21 | Cobra | Irwin / Mac | The Chequered Flag | DNA |
| 9.7.1966 | Martini Trophy Silverstone | 22 | Cobra | Nick Granville-Smith | Nick Granville-Smith | DNA |
| 9.7.1966 | Martini Trophy Silverstone | 23 | Cobra | Eric Hauser | Eric Hauser | DNA |
| 9.7.1966 | Martini Trophy Silverstone | 37 | Cobra | Bondurant / Irwin | The Chequered Flag | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 15 | Cobra | Richard Hocking | | DNA |
| 10.7.1966 | SCCA Regional Pyote | | Cobra | David Dunlap | | 2nd |
| 10.7.1966 | SCCA Regional Pyote | | Cobra | Rod Lambeth | | 1st |
| 10.7.1966 | SCCA Regional Pyote | | Cobra | Ron West | | DNS |
| 17.7.1966 | DARM Norisring [GT+1.6] | 41 | GT350 R | Karl von Wendt | Jochen Neerspasch | 2nd |
| 17.7.1966 | DARM Norisring [GT+1.6] | 42 | Cobra | Wolf-Dieter Kniese | Wolf-Dieter Kniese | DNA |
| 17.7.1966 | GP Mugello | 93 | Cobra | Olmer Harris | | DNA |
| 23.7.1966 | SCCA National Baton Rouge | | GT350 R | Fred van Beuren, Jr. | | raced |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 6 | Cobra | Bob Grossman | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 7 | Cobra Mk II | Ed Lowther | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 15 | Cobra | Mel Wentzel | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 81 | Cobra | Sidney Finkel | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 88 | Cobra | Harold Keck | | DNA |
| 24.7.1966 | SCCA National Connellsville [AP+BP] | 98 | GT350 | Jim Sypherd | | DNA |
| 24.7.1966 | DARM Hockenheim [GT/SP+1.6] | | GT350 | Klaus Fritzinger | | 6th |
| 24.7.1966 | DARM Hockenheim [GT/SP+1.6] | | GT350 R | Jochen Neerpasch | | DNF |
| 6.8.1966 | Anerley Trophy Crystal Palace | | Cobra | Irwin | The Chequered | DNS |
| 7.8.1966 | DARM Nürburgring | 121 | GT350 R | Jochen Neerpasch | Jochen Neerpasch Racing GmbH | DNA |
| 13.8.1966 | National Harewood Acres | | Cobra | George Eaton | Comstock | 3rd |
| 14.8.1966 | DARM Wunstorf [GT+1.6/T2.0] | 181 | GT350 | Klaus Fritzinger | | DNA |
| 14.8.1966 | DARM Wunstorf [GT+1.6/T2.0] | 182 | GT350 R | Jochen Neerpasch | | ?th |
| 20.8.1966 | BARC Oulton Park [Special GT] | 43 | Cobra | Eric Hauser | D. Brook | DNS |
| 20.8.1966 | BARC Oulton Park [Special GT] | 44 | Cobra | Nick Granville-Smith | Nick Granville-Smith | 4th |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 10 | GT350 | David Smith | | DNA |
| 28.8.1966 | USRRC Mid-Ohio | 13 | Cobra | Tom Payne | Tom Payne | DNF |
| 28.8.1966 | Hill Climb Sierre Montagna | 247 | GT350 R | Peter Schetty | Karl Foitek | 12th |
| 29.8.1966 | Eagle Trophy Brands Hatch | 101 | Cobra | Bob Burnard | R. Burnard | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | 102 | Cobra | Chris Irwin | The Chequered Flag | ?th |
| 29.8.1966 | Eagle Trophy Brands Hatch | 103 | Cobra | Roy Pike | The Chequered Flag | raced |
| 29.8.1966 | Eagle Trophy Brands Hatch | 104 | Cobra | Eric Hauser | David B. Brook | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | 105 | Cobra | John Sparrow | J. M. Sparrow | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | 106 | Cobra | Jack Alderslade | J. B. Alderslade | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | 118 | Cobra | Nick Granville-Smith | N. Granville-Smith | DNA |
| 29.8.1966 | Eagle Trophy Brands Hatch | | Cobra | Mike Beckwith | | ?th |
| 3.9.1966 | 200 mile Road America | 8 | Cobra | Addison / Pickering | John B. Addison | DNA |
| 3.9.1966 | 200 mile Road America | 17 | GT350 R | David Pabst | David Pabst, Jr. | raced |
| 3.9.1966 | 200 mile Road America | 19 | Cobra | Richard Hoffman | Richard Hoffman | DNA |
| 3.9.1966 | 200 mile Road America | 55 | GT350 | Dick Jordan | Richard U. Jordan | DNA |
| 3.9.1966 | 200 mile Road America | 82 | GT350 R | Terry Kohler | Terry J. Kohler | raced |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 0 | Cobra | Richard Neill | Richard Neill | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 1 | GT350 | Richard White | Richard White | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 44 | Cobra | Henry Hester | Henry Hester | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 91 | Cobra | Eric Pohl | Corvette Engineering | DNA |
| 10.9.1966 | PMC Silverstone [SR] | 91 | Cobra | Jack Alderslade | J. Alderslade | raced |
| 10.9.1966 | PMC Silverstone [GT+1.15] | 91 | Cobra | Jack Alderslade | Jack Alderslade | raced |
| 10.9.1966 | PMC Silverstone [GT+1.15] | 92 | Cobra | Bob Burnard | R. Burnard | raced |
| 10.9.1966 | PMC Silverstone [GT+1.15] | 152 | Cobra | Alan Russell | A. Russell | raced |
| 11.9.1966 | Can-Am St. Jovite | 13 | Cobra | Tom Payne | Tom Payne | DNA |
| 11.9.1966 | 500 km Zeltweg | 21 | Cobra | Bob Bondurant | Chequered Flag | DNF |
| 11.9.1966 | 500 km Zeltweg | 23 | Cobra | John Reaburn | Chequered Flag | DNF |
| 18.9.1966 | Zolder [GT] | | GT350 R | Karl von Wendt | | 2nd |
| 24.9.1966 | Can-Am Mosport | 13 | Cobra | Tom Payne | Tom Payne | DNA |
| 24.9.1966 | Can-Am Mosport | 93 | Cobra | George Eaton | George Eaton | DNQ |
| 25.9.1966 | All Japan Funabashi | | Cobra Daytona Coupe | Tadashi Sakai | | raced |
| 1.10.1966 | 8 Clubs Silverstone [GT+1.6] | 223 | Cobra | Nick Granville-Smith | N. Grainville-Smith | 3rd |
| 1.10.1966 | 8 Clubs Silverstone [GT+1.6] | 226 | Cobra | Bob Burnard | R. Burnard | 7th |
| 2.10.1966 | Dunes Trophy Zandvoort | 9 | Cobra roadster | John Sparrow | John Sparrow | raced |
| 2.10.1966 | Dunes Trophy Zandvoort | 17 | GT350 | Günter Silbach | Jochen Neerpasch Racing | DNA |
| 8.10.1966 | BARC Silverstone [Special GT] | 87 | Cobra | Bob Burnard | R. Burnard | DNA |
| 9.10.1966 | Preis von Tirol [GT] | 78 | GT350 R | Peter Schetty | Squadra Foitek | DNA |
| 9.10.1966 | Preis von Tirol [GT] | 79 | GT350 | Malte Huth | Will Huth | raced |
| 9.10.1966 | NSCC Mallory Park [Special GT +1.15] | 81 | Cobra Willment Coupe | Brian Muir | Race Proved by Willment | raced |
| 16.10.1966 | SCCA Regional Nelson Ledges [AP+?] | | Cobra | Ed Lowther | | 1st |
| 30.10.1966 | Can-Am Riverside | 17 | Cobra | Don Peckham | Don Peckham | DNA |
| 27.11.1966 | US Champions Riverside [AP+BP] | 11 | Cobra | Ed Lowther | | 1st |
| 27.11.1966 | US Champions Riverside [AP+BP] | 31 | Cobra | Jack Hurt | | 14th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 32 | Cobra | Gene Cormany | | 3rd |
| 27.11.1966 | US Champions Riverside [AP+BP] | 41 | Cobra | Nick Nero | | 4th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 52 | Cobra | Rod Lambeth | | 16th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 71 | Cobra | Fred Sutherland | | 6th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 72 | Cobra | Don Peckham | | 2nd |
| 27.11.1966 | US Champions Riverside [AP+BP] | 73 | Cobra | Bob Griffith | | DNF |
| 27.11.1966 | US Champions Riverside [AP+BP] | 104 | GT350 | Mark Donohue | | DQ |
| 27.11.1966 | US Champions Riverside [AP+BP] | 105 | GT350 R | Martin Krinner | | 13th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 201 | GT350 R | Walt Hane | | 8th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 303 | GT350 | Dan Gerber | | DNF |
| 27.11.1966 | US Champions Riverside [AP+BP] | 401 | GT350 R | Brad Brooker | | 15th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 402 | GT350 | Stu Conklin | | 18th |
| 27.11.1966 | US Champions Riverside [AP+BP] | 501 | GT350 R | Fred van Beuren, Jr. | | 10th |
| 2.12.1966 | Governor's Trophy & Nassau TT | 6 | Cobra | Bob Grossman | | 6th |
| 2.12.1966 | Governor's Trophy & Nassau TT | 80 | GT350 | Anita Taylor | Ring Free Oil Racing Team | 24th |
| 3.12.1966 | Nassau Classic | 6 | Cobra | Bob Grossman | | 11th |
| 4.12.1966 | Nassau Trophy | 6 | Cobra | Bob Grossman | | 14th |
| 4.12.1966 | Nassau Trophy | 80 | GT350 | Anita Taylor | Ring-Free Racing Team | 15th |