| 3.7.1966 | Montes Claros | 34 | 100 S | Pinto Bastos | | raced |
| 4.7.1966 | SCCA National Galveston [CP+DP+EP] | | | | | raced |
| 4.7.1966 | SCCA National Galveston [CP+DP+EP] | | | Bert Muller | | 3rd |
| 9.7.1966 | MCMRC Oulton Park [GT] | 31 | Sprite Mk II | Chris Swindells | Christopher Swindells | DNA |
| 9.7.1966 | MCMRC Oulton Park [GT] | 35 | Sprite | Alec Poole | Speed Sport Conversions | 4th |
| 9.7.1966 | MCMRC Oulton Park [GT] | 54 | 3000 Mk III | Ted Worswick | Ted Worswick | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 18 | 3000 | William Maier | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 81 | | Frank Schultheis | | DNA |
| 17.7.1966 | GP Mugello | 64 | Speedwell Sprite GT | White / Hunter | | NC |
| 17.7.1966 | GP Mugello | 94 | 3000 | Gragnoli / Polli | | NC |
| 17.7.1966 | GP Mugello | 171 | Sprite | Baker / Moore | | 45th |
| 17.7.1966 | GP Mugello | 181 | Sebring Sprite | Wheeler / Davidson | | DNF |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 5 | Sprite | Dick Blaugher | | DNA |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 9 | Sprite | Brian Patrick | | DNA |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 37 | Sprite Mk II | Chris Swindells | Chris Swindells | DNA |
| 23.7.1966 | BRSCC Oulton Park [GT] | 37 | Sprite Mk II | Chris Swindells | Chris Swindells | DNA |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 38 | Sprite | David MacRae | D. MacRae | 21st |
| 23.7.1966 | BRSCC Oulton Park [GT] | 38 | Sprite | Garry Wilson | D. MacRae | 16th |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 52 | 3000 | Bill Jansheski | | DNA |
| 23.7.1966 | BRSCC Oulton Park [GT] | 57 | 3000 Mk III | Ted Worswick | Ted Worswick | 10th |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 57 | 3000 Mk III | Ted Worswick | Ted Worswick | DNS |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 93 | 100-4 | Diane Wheeler | | DNA |
| 23.7.1966 | BRSCC Oulton Park [GT] | 126 | Speedwell Sprite GT | Terry Watts | Terry Watts | 15th |
| 23.7.1966 | BRSCC Oulton Park [GT] | 128 | Sprite | John Willetts | C. T. Duckitt | 11th |
| 24.7.1966 | SCCA National Connellsville [DP] | 23 | 3000 | James Brown | | DNA |
| 24.7.1966 | SMRC Ingliston [Special GT1.2] | 40 | Sprite | Donald Carmichael | D. D. Carmichael | 8th |
| 24.7.1966 | DARM Hockenheim [GT/SP1.6] | | Speedwell Sprite GT 2A | Walter Helfert | | 12th |
| 30.7.1966 | LCCC Oulton Park [GT] | 5 | Sprite Mk II | Chris Swindells | Christopher Swindells | DNA |
| 30.7.1966 | LCCC Oulton Park [GT] | 11 | Sprite | John Willetts | C. T. Duckitt | 7th |
| 30.7.1966 | LCCC Oulton Park [S/GT] | 12 | Sprite | Garry Wilson | D. I. MacRae | DNS |
| 30.7.1966 | LCCC Oulton Park [GT] | 12 | Sprite | David MacRae | D. I. MacRae | 12th |
| 30.7.1966 | LCCC Oulton Park [GT] | 30 | 3000 Mk III | Ted Worswick | Ted Worswick | 8th |
| 30.7.1966 | LCCC Oulton Park [GT] | 140 | Speedwell Sprite GT | Terry Watts | Terry Watts | 13th |
| 13.8.1966 | 750 MC Oulton Park [Formula Libre] | 201 | Sprite | John Lings | John Lings | DNS |
| 14.8.1966 | SMRC Ingliston [Marque] | 03 | | Mrs. J. Gemmell | Mrs. J. Gemmell | DNA |
| 14.8.1966 | GP Hockenheim | 10 | Sebring Sprite | John Moore | Richard Groves | 11th |
| 14.8.1966 | GP Hockenheim | 11 | Sebring Sprite | Peter de Klerk | Richard Groves | 10th |
| 14.8.1966 | SMRC Ingliston [S/Special GT+1.2] | 22 | Sprite | R. McN. Cowe | N. W. Mains | DNA |
| 14.8.1966 | SMRC Ingliston [Marque] | 52 | Sprite | J. I. Johnson | J. I. Johnson | DNA |
| 14.8.1966 | SMRC Ingliston [Marque] | 53 | Sprite | J. C. Forsyth | J. C. Forsyth | DNA |
| 14.8.1966 | SMRC Ingliston [Marque] | 56 | Sprite | Andrew Hutchison | W. Shepherd | DNA |
| 14.8.1966 | SMRC Ingliston [S/Special GT1.2] | 59 | Sprite | Donald Carmichael | D. D. Carmichael | DNA |
| 14.8.1966 | SMRC Ingliston [Marque] | 59 | Sprite | Donald Carmichael | D. D. Carmichael | raced |
| 14.8.1966 | SMRC Ingliston [Marque] | 63 | Sprite | Ian Kirkwood | I. W. N. Kirkwood | DNA |
| 14.8.1966 | ADAC Zandvoort | | Sprite | K. H. Reugels | | DNF |
| 14.8.1966 | ADAC Zandvoort | | Sprite | Hans-Jörg Mellen | | DNF |
| 20.8.1966 | BARC Oulton Park [Handicap] | 45 | 3000 Mk III | Ted Worswick | Ted Worswick | 6th |
| 20.8.1966 | BARC Oulton Park [Marque] | 45 | 3000 Mk III | Ted Worswick | Ted Worswick | 4th |
| 20.8.1966 | BARC Oulton Park [Marque] | 46 | 3000 | Stewart Hands | G. J. Bristow | DNA |
| 20.8.1966 | BARC Oulton Park [Marque] | 47 | 3000 | C. G. Sayer | C. Sayer | raced |
| 20.8.1966 | BARC Oulton Park [Marque] | 49 | 3000 Mk II | Royston Hill | Royston Hill | 16th |
| 20.8.1966 | BARC Oulton Park [Handicap] | 49 | 3000 Mk II | Royston Hill | Royston Hill | DNS |
| 20.8.1966 | H&DLLC Castle Combe [Production] | 61 | 3000 | John Chatham | John Chatham | DNA |
| 20.8.1966 | BARC Oulton Park [Marque] | 78 | Sprite | Alan Goodwin | Alan Goodwin | 12th |
| 20.8.1966 | BARC Oulton Park [Marque] | 80 | Sprite | John Willetts | C. T. Duckitt | DNF |
| 20.8.1966 | BARC Oulton Park [Marque] | 81 | Sprite | Peter Smith | Peter J. Smith | 10th |
| 20.8.1966 | BARC Oulton Park [Marque] | 90 | Speedwell Sprite GT | Terry Watts | D. T. Watts | 18th |
| 21.8.1966 | 12 h Surfers Paradise | 19 | 3000 | Bond / Cooke / Stanley | B.P. Castlecove Service Station | ?th |
| 21.8.1966 | 12 h Surfers Paradise | 25 | Sprite | Adcock / Haylen / Holden | Killara Motor Garage | DNA |
| 21.8.1966 | 12 h Surfers Paradise | 26 | Sprite | Burns / Sullivan | Southport Motors Pty. Ltd. | DNA |
| 21.8.1966 | 12 h Surfers Paradise | 27 | Sprite | Williams / Zacka | Coorparoo Junction Service Station | raced |
| 21.8.1966 | 12 h Surfers Paradise | 28 | Sprite | Booty / Jemison | R. Booty | ?th |
| 21.8.1966 | 12 h Surfers Paradise | 29 | Sprite | Skelton / Wiggins | Brayson Motors | DNA |
| 21.8.1966 | 12 h Surfers Paradise | 31 | Sprite | Broomhall / Rout | Barrie Brommhall Motors | raced |
| 21.8.1966 | 12 h Surfers Paradise | 41 | Sprite | Leffer / Carne | John Leffler | DNF |
| 27.8.1966 | NSMC Oulton Park [S/GT] | 1 | Sprite | David Hall | D. C. R. Hall | 8th |
| 27.8.1966 | NSMC Oulton Park [S/GT] | 2 | Sprite | John Maun | John Maun | 10th |
| 27.8.1966 | NSMC Oulton Park [S/GT] | 3 | Speedwell Sprite GT | Terry Watts | D. T. Watts | DNA |
| 27.8.1966 | NSMC Oulton Park [S/GT] | 7 | Sprite | B. Hall | B. Hall | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 4 | 3000 | Paul O'Brien | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 5 | Sprite | Russ Sprang | | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 5 | 3000 | Jim Bennett | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 6 | Sprite | Martin Dodenhoff | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 9 | Sprite | Brian Patrick | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 11 | Sprite | Paul Bowden | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 12 | Sprite | Gene Vierling | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 13 | Sprite | K. B. Myers | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 14 | Sprite | James Walker | | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 35 | 3000 | Bill Seeley | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 42 | Sprite | Dan Furey | | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 47 | 3000 | Mike Heil | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 64 | Sprite | Carol Hatter | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 71 | Sprite | Robert Sterling | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 89 | Sprite | Michael Yablon | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 92 | Sprite | Charles Lowe | | DNA |
| 28.8.1966 | Mid-Ohio [SR+AP+BP+CP+DP+EP] | 93 | 100-4 | J. E. Wheeler, Jr. | | DNA |
| 28.8.1966 | Mid-Ohio [HSR+FP+GP+HP] | 99 | Sprite | Eugene Love | | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 59 | Sprite | Peter Mitchell | P. Mitchell | DNA |
| 29.8.1966 | NSCC Silverstone [Special GT] | 59 | Sprite | Peter Mitchell | Peter Mitchell | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 60 | Sprite | Bill Graham | W. G. Graham | DNA |
| 29.8.1966 | NSCC Silverstone [Special GT] | 61 | Sprite | Colin Fawsitt | Colin Fawsitt | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 61 | Sprite | Colin Fawsitt | Colin Fawsitt | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 62 | Sprite | I. Griffiths | I. Griffiths | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 63 | Sprite | Philip Tucker | Philip Tucker | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 64 | Sprite | John Linge | John E. L. Linge | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 65 | Sprite | John Moore | Richard Groves | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 66 | Sprite | David Pratley | D. A. Pratley | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 67 | Sprite | Colin Campbell | Roy Ensoy | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 68 | Sprite | Alan Goodwin | A. J. Goodwin | DNA |
| 29.8.1966 | NSCC Silverstone [Marque] | 84 | Sprite | Alan Woode | Alan Woode | DNA |