| 29.8.1966 | NSCC Silverstone [Marque] | 68 | Sprite | Alan Goodwin | A. J. Goodwin | DNA |
| 3.9.1966 | MGCC Oulton Park [GT] | 5 | Sprite Mk II | Chris Swindells | Chris Swindells | 10th |
| 3.9.1966 | MGCC Oulton Park [GT/Sports] | 5 | Sprite Mk II | Chris Swindells | Chris Swindells | ?th |
| 3.9.1966 | MGCC Oulton Park [MG/Sprite] | 5 | Sprite Mk II | Chris Swindells | Chris Swindells | raced |
| 3.9.1966 | 200 mile Road America | 6 | | Robert McIntyre | Robert T. McIntyre | DNA |
| 3.9.1966 | 200 mile Road America | 7 | 100-6 | Perkins / Hufstader | Norman Perkins | DNA |
| 3.9.1966 | 200 mile Road America | 9 | 100-6 | Timm / Montgomery | Bill Timm | DNA |
| 3.9.1966 | 200 mile Road America | 10 | 3000 Mk II | Bill Maloney | W. J. Maloney | DNA |
| 3.9.1966 | 200 mile Road America | 22 | 3000 | Wesley Paauwe | Wesley D. Paauwe | DNA |
| 3.9.1966 | MGCC Oulton Park [MG/Sprite] | 27 | Sprite | John Willetts | C. T. Duckitt | 3rd |
| 3.9.1966 | MGCC Oulton Park [MG/Sprite] | 28 | Sprite | Alan Goodwin | Alan Goodwin | 2nd |
| 3.9.1966 | 200 mile Road America | 28 | 100-6 | Edraney / Coppage | Dale R. Edraney | DNA |
| 3.9.1966 | MGCC Oulton Park [MG/Sprite] | 30 | Sprite | John Lings | John Lings | raced |
| 3.9.1966 | MGCC Oulton Park [GT] | 31 | Speedwell Sprite GT | Terry Watts | Terry Watts | 8th |
| 3.9.1966 | MGCC Oulton Park [MG/Sprite] | 31 | Speedwell Sprite GT | Terry Watts | Terry Watts | 3rd |
| 3.9.1966 | MGCC Oulton Park [MG/Sprite] | 38 | Sprite | Arthur Appleby | Arthur Appleby | DNA |
| 3.9.1966 | MGCC Oulton Park [GT] | 38 | Sprite | Dudley Lucas | A. Appleby | DNA |
| 3.9.1966 | 200 mile Road America | 59 | 3000 | Dave Martin | Dave Martin | DNA |
| 3.9.1966 | 200 mile Road America | 65 | 100-4 | John Gloviak | John A. Gloviak | DNA |
| 3.9.1966 | 200 mile Road America | 76 | 100 | Leonard Janke | Leonard D. Janke | DNA |
| 4.9.1966 | Santa Barbara [CSR+DSR+ESR+FSR+GSR] | 6 | | John Erskine | Blake Tires | DNA |
| 4.9.1966 | 500 km Nürburgring | 10 | Sebring Sprite | John Moore | Richard Groves | 4th |
| 4.9.1966 | 500 km Nürburgring | 11 | Sebring Sprite | Alec Poole | Richard Groves | 35th |
| 4.9.1966 | 500 km Nürburgring | 12 | Sebring Sprite | John Fitzgerald | James FitzGerald | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 19 | 3000 | Paul Bowles | Grand Prix Motors | DNA |
| 4.9.1966 | SMRC Ingliston [S/Special GT+1.2] | 33 | Sprite | R. McN. Cowe | N. W. Mains | 6th |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 35 | 3000 | Eugene Borlin | Eugene Borlin | DNA |
| 4.9.1966 | Santa Barbara [AP+BP+CP+DP] | 36 | 3000 | Will Sweitz | Will Sweitz | DNA |
| 4.9.1966 | SMRC Ingliston [Marque] | 61 | Sprite | Andrew Hutchison | W. Shepherd | 9th |
| 4.9.1966 | SMRC Ingliston [Marque] | 62 | Sprite | Stanley Robinson | S. A. Robinson | 4th |
| 4.9.1966 | SMRC Ingliston [Marque] | 63 | Sprite | J. C. Forsyth | J. C. Forsyth | 10th |
| 4.9.1966 | SMRC Ingliston [Marque] | 65 | Sprite | Donald Carmichael | D. D. Carmichael | 6th |
| 4.9.1966 | SMRC Ingliston [Marque] | 66 | Sprite | Ian Kirkwood | I. W. N. Kirkwood | 11th |
| 4.9.1966 | SMRC Ingliston [Marque] | 69 | Sprite | J. I. Johnson | J. I. Johnson | DNA |
| 4.9.1966 | SMRC Ingliston [Marque] | 70 | | J. Grey | J. Grey | DNA |
| 10.9.1966 | PMC Silverstone [GT1.15] | 71 | Sprite | Alan Goodwin | Alan J. Goodwin | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 71 | Sprite | Alan Goodwin | A. J. Goodwin | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 77 | Sprite | Peter Mitchell | P. Mitchell | DNA |
| 10.9.1966 | PMC Silverstone [GT1.15] | 77 | Sprite | Peter Mitchell | P. Mitchell | raced |
| 10.9.1966 | PMC Silverstone [GT1.15] | 78 | Sprite | Alan Woode | A. D. Woode | DNA |
| 10.9.1966 | PMC Silverstone [GT+1.15] | 86 | Sprite | Arthur Appleby | A. Appleby | raced |
| 10.9.1966 | PMC Silverstone [Marque] | 86 | Sprite | Arthur Appleby | A. Appleby | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 129 | Sprite | Colin Campbell | C. Campbell | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 130 | Sprite | David Pratley | D. Pratley | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 131 | Sprite | E. Ward | E. Ward | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 133 | Sprite | Bill Graham | W. Graham | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 134 | Sprite | David Crook | D. L. Crook | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 135 | Sprite | John Willetts | C. T. Duckitt | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 137 | Sebring Sprite | C. J. Cooke | C. J. Cooke | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 138 | Sprite | Alan Harvey | A. Harvey | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 140 | 3000 | Stewart Hands | G. J. Bristow | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 144 | 3000 | Nigel Jordan | N. Jordan | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 148 | 100-6 | A. T. Sayer | A. T. Sayer | DNA |
| 10.9.1966 | PMC Silverstone [Marque] | 150 | Sprite | R. Hale | R. Hale | DNA |
| 10.9.1966 | PMC Silverstone [GT1.15] | 205 | Sprite | R. J. Long | R. J. Long | raced |
| 17.9.1966 | Gold Cup Oulton Park | 46 | 3000 Mk III | Ted Worswick | Ted Worswick | 16th |
| 18.9.1966 | Bridgehampton [AP+BP+CP+DP] | 9 | | Jerry Walsh | Jerry Walsh | DNA |
| 18.9.1966 | Zolder [GT] | | | Dieter Winkels | | 7th |
| 24.9.1966 | 5 h Relay Oulton Park | 15A | 3000 | R. Taylor | Team Wild Boar | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 15B | 3000 | D. G. Matthews | Team Wild Boar | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 18A | Speedwell Sprite GT | Terry Watts | Odds And Ends | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 18B | Sprite | David Adams | Odds And Ends | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 23P | Sprite Mk III | A. Robertson | Dundee Dragons | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 25 | Sprite | Ian Kirkwood | Norsprites | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 25P | Sprite | J. C. Forsyth | Norsprites | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 25A | Sprite | R. McN. Cowe | Norsprites | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 25B | Sprite | Donald Carmichael | Norsprites | DNA |
| 24.9.1966 | 5 h Relay Oulton Park | 25C | Sprite | Andrew Hutchison | Norsprites | DNA |
| 1.10.1966 | 8 Clubs Silverstone [GT1.6] | 158 | Sprite | David Corderoy | Corture Engineering | 8th |
| 1.10.1966 | 8 Clubs Silverstone [GT1.6] | 159 | Sprite | David Crook | D. L. Crook | 10th |
| 1.10.1966 | 8 Clubs Silverstone [GT1.6] | 164 | Sprite | Richard Groves | Richard Groves Racing | 7th |
| 1.10.1966 | 8 Clubs Silverstone [GT1.6] | 165 | Sprite | John Moore | Richard Groves Racing | DNA |
| 1.10.1966 | 8 Clubs Silverstone [GT1.6] | 166 | Sprite | Alec Poole | Speed Sport Conversions | DNA |
| 2.10.1966 | SMRC Ingliston [Special GT1.2] | 28 | Sprite | Andrew Hutchison | W. Shepherd | 6th |
| 2.10.1966 | Tulln-Langenlebarn [GT] | 48 | 3000 | Horst Mundschitz | Team 'Foto-Blitz' | 5th |
| 2.10.1966 | SMRC Ingliston [Special GT1.2] | 56 | | John Fitzgerald | J. Fitzgerald | DNA |
| 2.10.1966 | Guards Trophy Brands Hatch [GT1.6] | | Sprite | Alec Poole | | ?th |
| 2.10.1966 | Guards Trophy Brands Hatch [GT1.6] | | Sprite | Streetley | | ?th |
| 8.10.1966 | BARC Silverstone [Marque] | 38 | 3000 | Simon Saye | G. J. Bristow | DNA |
| 8.10.1966 | BARC Silverstone [Marque] | 50 | Sprite | Alec Poole | A. K. Poole | DNA |
| 8.10.1966 | BARC Silverstone [Special GT] | 51 | Sprite | | J. Wheeler | DNA |
| 8.10.1966 | BARC Silverstone [Marque] | 51 | Sprite | Jack Wheeler | J. Wheeler | DNA |
| 8.10.1966 | BARC Silverstone [Marque] | 56 | Sprite | Alan Goodwin | A. J. Goodwin | DNA |
| 8.10.1966 | BARC Silverstone [Marque] | 57 | Sprite | David Pratley | D. A. Pratley | DNA |
| 9.10.1966 | NSCC Mallory Park [Special GT 1.15] | 28 | Sprite | Colin Fawsitt | Colin Fawsitt | raced |
| 9.10.1966 | NSCC Mallory Park [Special GT +1.15] | 41 | Sprite | John Rhodes | Speed Sport Conversions | raced |
| 9.10.1966 | NSCC Mallory Park [Special GT 1.15] | 41 | Sprite | John Rhodes | Speed Sport Conversions | DNS |
| 9.10.1966 | NSCC Mallory Park [Special GT +1.15] | 65 | Sprite Le Mans | John Moore | Richard Groves | raced |
| 9.10.1966 | NSCC Mallory Park [Special GT +1.15] | 66 | Sprite Le Mans | Steve Neal | Richard Groves | DNA |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 13 | 3000 | Max Ashton | | 18th |
| 16.10.1966 | 1000 km Paris | 19 | Sprite | Moore / Neal | | DNF |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 32 | 3000 | Ron Sullivan | | 7th |
| 16.10.1966 | SCCA Regional Virginia [SR+DP+FP+BS] | 54 | 3000 | Dewey Trogdon | | DNS |
| 16.10.1966 | Aspern [GT] | 60 | 3000 | Horst Mundschitz | Foto Blitz-Team | DNA |
| 16.10.1966 | SCCA Regional Virginia [CP+EP] | 94 | 100-6 | Bob Ramseur | | 8th |
| 26.11.1966 | US Champions Riverside [HP] | 102 | Sprite | Rod Harmon | | DNF |
| 26.11.1966 | US Champions Riverside [HP] | 301 | Sprite | William Koch | | 1st |
| 26.11.1966 | US Champions Riverside [HP] | 303 | Sprite | Dwight Knupp | | DNF |
| 26.11.1966 | US Champions Riverside [HP] | 601 | Sprite | Len Schmidt | | 3rd |
| 26.11.1966 | US Champions Riverside [HP] | 702 | Sprite | Larry Nelson | | 11th |