| 10.9.1966 | PMC Silverstone [Marque] | 142 | TR3 | Reg Woodcock | R. H. Woodcock | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 209 | Spitfire | Peter Cox | P. J. Cox | DNA |
| 18.9.1966 | Bridgehampton [AP+BP+CP+DP] | 1 | TR4 | Robert Adams | Bob Adams | DNA |
| 18.9.1966 | Bridgehampton [AP+BP+CP+DP] | 2 | TR4 A | Sam Pollin | Sam Pollin | DNA |
| 18.9.1966 | SCCA Regional Virginia [Main] | 4 | TR4 | George Beswick | | DNS |
| 18.9.1966 | SCCA Regional Virginia [Main] | 9 | TR4 | John Houston | | DNS |
| 18.9.1966 | SCCA Regional Virginia [Main] | 41 | TR3 A | Carl Grimes | | 6th |
| 18.9.1966 | SCCA Regional Virginia [Main] | 48 | TR4 | Rod Howland | | DNF |
| 18.9.1966 | Zolder [GT] | | Spitfire | Ottfried Stopka | | ?th |
| 24.9.1966 | 5 h Relay Oulton Park | 21 | Spitfire | Jim Toole | Team H.R.L. | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | | | Bill Sparkes | | DNA |
| 25.9.1966 | SM Dalsland [GT2.0] | 9 | TR4 | Lars Larsson | | DNA |
| 25.9.1966 | Coupes de Paris [P1.15+GT1.15] | | Spitfire | Alain Serpaggi | | 5th |
| 25.9.1966 | SM Dalsland [SP2.0] | | Spitfire | Dagobert Swenson | Skaraborghs SVK | ?th |
| 1.10.1966 | 8 Clubs Silverstone [GT+1.6] | 214 | TR4 SLR | Neil Dangerfield | C. J. Lawrence | 8th |
| 2.10.1966 | Tulln-Langenlebarn [GT] | 37 | Spitfire | Werner Grünberger | Werner Grünberger | DNA |
| 2.10.1966 | Tulln-Langenlebarn [GT] | 38 | Spitfire | Helmut Mark | Scuderia Graz | DNA |
| 2.10.1966 | SMRC Ingliston [Special GT1.2] | 58 | Spitfire | Tommy Thomson | T. N. Thomson | DNF |
| 8.10.1966 | BARC Silverstone [Marque] | 43 | TR4 | G. W. Bolt | G. W. Bolt | DNA |
| 8.10.1966 | BARC Silverstone [Marque] | 52 | Spitfire | Michael Costin | W. Bradley | DNA |
| 9.10.1966 | NSCC Mallory Park [Special GT 1.15] | 37 | Spitfire | Peter Cox | Peter J. Cox | raced |
| 9.10.1966 | NSCC Mallory Park [Special GT +1.15] | 77 | TR3 | Reg Woodcock | Reginald H. Woodcock | raced |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 0 | TR3 | Vic Matthews | | 3rd |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 4 | TR3 | Robert Wey | | 16th |
| 16.10.1966 | SM Karlskoga [SP2.0] | 8 | Spitfire | Dagobert Swenson | Skaraborghs SVK | 6th |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 14 | TR4 | Lowrey | | 11th |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 34 | TR3 | Virginius Swimme | | 10th |
| 16.10.1966 | Aspern [GT] | 48 | Spitfire Mk II | Helmut Marko | Scuderia Graz | DNA |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 61 | TR4 | Lee Blevins | | 9th |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 66 | TR3 | James Corcoran | | DNF |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 81 | TR3 | Bernard Diedrich | | 6th |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 146 | TR4 | John Williams | | 4th |
| 5.11.1966 | 9 h Kyalami | 22 | Spitfire | Edwards / Codron | I. A. Gordon | DNS |
| 26.11.1966 | US Champions Riverside [GP] | 13 | Spitfire | Dick Gilmartin | | 3rd |
| 26.11.1966 | US Champions Riverside [GP] | 21 | Spitfire | Don Kearney | | DNF |
| 26.11.1966 | US Champions Riverside [GP] | 32 | Spitfire | Bob Clemens | | 7th |
| 26.11.1966 | US Champions Riverside [GP] | 43 | Spitfire | Mel Bogus | | DNF |
| 26.11.1966 | US Champions Riverside [GP] | 51 | Spitfire | Robin Eschauzier | | DNF |
| 26.11.1966 | US Champions Riverside [GP] | 52 | Spitfire | Mike Lowe | | 8th |
| 26.11.1966 | US Champions Riverside [GP] | 53 | Spitfire | Roy Hopkins | | 10th |
| 26.11.1966 | US Champions Riverside [GP] | 61 | Spitfire | Jack Scoville | | DNF |
| 26.11.1966 | US Champions Riverside [GP] | 63 | Spitfire | Rick Hilgers | | 2nd |
| 26.11.1966 | US Champions Riverside [GP] | 71 | Spitfire | Ed Barker | | DNF |
| 27.11.1966 | US Champions Riverside [FP] | 101 | TR3 | Bob Krokus | | DNF |
| 27.11.1966 | US Champions Riverside [CP+DP] | 102 | TR4 | Buzz Marcus | | 12th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 103 | TR4 A | Bob Tullius | | 6th |
| 27.11.1966 | US Champions Riverside [FP] | 104 | TR3 | Mike Hiss | | 3rd |
| 27.11.1966 | US Champions Riverside [FP] | 202 | TR3 | Burwell Carpenter | | 13th |
| 27.11.1966 | US Champions Riverside [FP] | 303 | TR3 | Neal Payton | | 5th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 401 | TR4 A | Ray Pickering | | 11th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 403 | TR4 | Bert Jones | | DNF |
| 27.11.1966 | US Champions Riverside [FP] | 403 | TR3 | Bill Boemler | | DNF |
| 27.11.1966 | US Champions Riverside [FP] | 404 | TR3 | John Stafford | | 11th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 503 | TR4 | Gary Bishop | | DNF |
| 27.11.1966 | US Champions Riverside [FP] | 504 | TR2 | Buell Owen | | 10th |
| 27.11.1966 | US Champions Riverside [FP] | 601 | TR3 | Vern Colvin | | DNF |
| 27.11.1966 | US Champions Riverside [CP+DP] | 601 | TR4 A | Bill Pendleton | | 5th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 602 | TR4 A | Steve Froines | | 10th |
| 27.11.1966 | US Champions Riverside [CP+DP] | 701 | TR4 A | Jim Dittemore | | 3rd |
| 27.11.1966 | US Champions Riverside [FP] | 701 | TR3 | Tom Carter | | 2nd |
| 27.11.1966 | US Champions Riverside [CP+DP] | 703 | TR4 | Norm Evans | | DNF |
| 27.11.1966 | US Champions Riverside [FP] | 703 | TR3 | Vic Tandy | | 8th |
| 2.12.1966 | Governor's Trophy & Nassau TT | 57 | TR4 | Ray Stoutenburg | | 22nd |
| 4.12.1966 | Nassau Trophy | 17 | TR4 | Doug Given | | DNA |
| 4.12.1966 | Nassau Trophy | 57 | TR4 | Ray Stoutenburg | | 20th |