| 4.7.1966 | SCCA National Galveston [Modified] | | 40 | Jack Saunders | A. J. Foyt | raced |
| 4.7.1966 | SCCA National Galveston [Modified] | | 23 B | Paul Jett | | raced |
| 4.7.1966 | SCCA National Lime Rock [CSR+DSR+ESR+FSR] | | 23 B | George Alderman | | 3rd |
| 4.7.1966 | SCCA National Lime Rock [CSR+DSR+ESR+FSR] | | 23 | Steve Brownstein | | 4th |
| 4.7.1966 | SCCA National Lime Rock [GSR+HSR] | | 23 | Melvin Cogen | | 2nd |
| 4.7.1966 | SCCA National Galveston [Modified] | | 23 B | Ken Leith | | 5th |
| 4.7.1966 | SCCA National Galveston [CP+DP+EP] | | Seven Super | Jim Kauffman | | 1st |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 3 | Seven | Roger Hughes | D. J. Brough | raced |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 4 | Seven | Don Molyneux | Don Molyneux | DNS |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 5 | Seven | Russell Waby | Russell Waby | 10th |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 8 | Eleven | Adrian Kendrick | Adrian Kendrick | 2nd |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 10 | Eleven | Jack Walsh | Jack Walsh | 5th |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 12 | Seven | Don Hulme | Don Hulme | 4th |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 15 | Seven | Ted Worswick | Ted Worswick | DNF |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 16 | Seven | Peter Gregson | William Peter Gregson | DNA |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 17 | Seven | John Clegg | John Clegg | DNS |
| 9.7.1966 | Martini Trophy Silverstone | 18 | 30 | Brian Muir | Race Proved by Willment | raced |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 18 | Seven Super | Peter Crossley | Peter Crossley | DNS |
| 9.7.1966 | Martini Trophy Silverstone | 19 | 30 | John Nicholson | Farnborough Racing Enterprise | DNA |
| 9.7.1966 | Martini Trophy Silverstone | 20 | 30 | Peter Sadler | Peter Sadler | DNA |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 23 | Seven | Roy Begent | Roy Begent | 8th |
| 9.7.1966 | MCMRC Oulton Park [Sports] | 26 | Seven | Derek Rex | Derek Rex | 6th |
| 9.7.1966 | MCMRC Oulton Park [GT] | 32 | Eleven GT | Nigel Morrison | Nigel Morrison | 10th |
| 9.7.1966 | MCMRC Oulton Park [GT] | 34 | Elite | Andrew Hill | A. Hill | DNF |
| 9.7.1966 | MCMRC Oulton Park [GT] | 38 | Elan | Ian Turnbull | Ian Turnbull | 3rd |
| 9.7.1966 | Martini Trophy Silverstone | 39 | 30 | Gerry Ashmore | Alan Eccles | raced |
| 9.7.1966 | MCMRC Oulton Park [GT] | 39 | Elan | Julian | Westward Racing Partnership | 14th |
| 9.7.1966 | MCMRC Oulton Park [GT] | 40 | Elan | Bob Smith | Bob Smith | 1st |
| 9.7.1966 | MCMRC Oulton Park [GT] | 41 | Elan | Peter Taggart | Peter Taggart | DNS |
| 9.7.1966 | MCMRC Oulton Park [GT] | 42 | Elan | Arnold Milburn | Arnold Milburn | 5th |
| 9.7.1966 | Martini Trophy Silverstone | 43 | 30 Series 2 | John Dean | John Dean Racing | DNA |
| 9.7.1966 | MCMRC Oulton Park [GT] | 43 | Elan | Glyn Jones | A. Milburn | 15th |
| 9.7.1966 | Vila Real | 58 | Elan 26 Racing S2 | John Miles | Willment | 1st |
| 9.7.1966 | Martini Trophy Silverstone [GT+S2.0] | | 23 B | Richard Knight | | 6th |
| 10.7.1966 | SCCA Regional Cotati [CSR+DSR+ESR+FSR+GSR] | 4 | 23 | Bill Stewart | | DNA |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 12 | 23 B | George Chapman | George Chapman | 8th |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 14 | 23 B | Harold Brown | CHEC Radio | 17th |
| 10.7.1966 | SCCA Regional Cotati [CSR+DSR+ESR+FSR+GSR] | 15 | Mark IX | Bob Lodge | | DNA |
| 10.7.1966 | SCCA Regional Cotati [CSR+DSR+ESR+FSR+GSR] | 35 | | Earl Shuholm | | DNA |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 42 | Elan | Max Nerriere | Max Nerriere | 11th |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 52 | Seven Super | Gregory Hodges | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 53 | Seven Super | Dave Vital | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 54 | Seven Super | Bill Blake | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 56 | Seven Super | Austin Walther | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 57 | Seven Super | Jon Milledge | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 58 | Seven Super | Speck Spott | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 59 | Seven Super | Beckford Young | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 61 | Seven Super | Jerry Scheberies | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 62 | Seven Super | Tom Johnson | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 75 | Seven Super | Manuel Inacio | | DNA |
| 10.7.1966 | SCCA Regional Cotati [AP+BP+CP+DP] | 85 | Elite | Al Brizard | | DNA |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 445 | Elan | Peter Keith | Cambridge | 13th |
| 10.7.1966 | SCCA Regional Pyote | | 40 | Van Beuren | A. J. Foyt | DNS |
| 11.7.1966 | SA SCC East London | | 23 B | Keith Berrington-Smith | | 2nd |
| 16.7.1966 | GP Brands Hatch | 33 | 23 | Tommy Weber | Vegantune Engineering Ltd. | DNA |
| 16.7.1966 | Holmpatrick Trophy | | | David Furlong | | 6th |
| 16.7.1966 | 750 MC Silverstone | | Elan | Brian Sherwood | | 5th |
| 17.7.1966 | DARM Norisring [SP] | 1 | 30 | Brian Muir | Willment | ?th |
| 17.7.1966 | DARM Norisring [SP] | 4 | 30 | | | DNA |
| 17.7.1966 | DARM Norisring [SP] | 21 | 23 | Harry Zweifel | Harry Zweifel | DNF |
| 17.7.1966 | DARM Norisring [SP] | 22 | 23 RS | Anton Fischhaber | Anton Fischhaber | NC |
| 17.7.1966 | DARM Norisring [SP] | 24 | 23 | Werner Dinkel | Werner Dinkel | DNA |
| 17.7.1966 | DARM Norisring [SP] | 25 | 23 | Bruno Frey | Bruno Frey | DNA |
| 17.7.1966 | DARM Norisring [SP] | 28 | 23 | Xavier Perrot | Squadra Tartaruga | DNA |
| 17.7.1966 | DARM Norisring [SP] | 38 | Elan | Gernot Mössmer | Gernot Mössmer | ?th |
| 17.7.1966 | DARM Norisring [GT1.6] | 60 | Elan S2 | Rico Steinemann | Squadra Tartaruga | 1st |
| 17.7.1966 | DARM Norisring [GT1.6] | 61 | Elan | Gebi Lippuner | Squadra Foitek | 4th |
| 17.7.1966 | DARM Norisring [GT1.6] | 62 | Elan | Joseph Rozelle | Joseph Rozelle | DNA |
| 17.7.1966 | DARM Norisring [GT1.6] | 63 | Elan | Klaus Scholz | Klaus Scholz | 3rd |
| 17.7.1966 | DARM Norisring [GT1.6] | 64 | Elan | Friedhelm Theissen | Friedhelm Theissen | DNA |
| 17.7.1966 | DARM Norisring [GT1.6] | 69 | Elan S2 | Walter Flückiger | Squadra Foitek | 2nd |
| 17.7.1966 | DARM Norisring [GT1.6] | 70 | Elan | Gernot Mössmer | Gernot Mössmer | DNA |
| 17.7.1966 | GP Mugello | 72 | Elan | Howard / Allen | | DNA |
| 17.7.1966 | GP Mugello | 74 | Elan | Papazian / Noghes | | 36th |
| 17.7.1966 | GP Mugello | 77 | Elan | Merlo / Duerst | | DNF |
| 17.7.1966 | GP Mugello | 80 | Elan | Fortmann / Masini | | 35th |
| 17.7.1966 | GP Mugello | 145 | Elan | Eichhorn / Frederich | | DNF |
| 17.7.1966 | GP Mugello | 165 | 23 | Ridolfi / Momigliano | | NC |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 7 | Seven Super | R. H. Donnelly | | DNA |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 31 | Seven | Don Hulme | Don Hulme | 10th |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 32 | Seven | Don Molyneux | Don Molyneux | DNF |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 33 | Seven | Mike Trye | Mike Trye | 19th |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 35 | Seven | P. Bailey | J. S. H. Ross | DNS |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 39 | Eleven | Adrian Kendrick | Adrian Kendrick | 9th |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 44 | Seven | Derek Rex | Derek Rex | 16th |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 45 | 3/7 | Peter Deal | Peter Deal | 2nd |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 47 | Seven Super | David Aukland | David Aukland | 18th |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 48 | Elan | John Harris | M. J. Gartlan | 3rd |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 50 | Elan | Arnold Milburn | Arnold Milburn | DNA |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 51 | Elan | Arthur Moore | Arthur Moore | DNF |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 52 | Elan | Peter Taggart | Peter Taggart | 8th |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 55 | 17 | Richard Elste | | DNA |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 64 | | Myron Munchak | | DNA |
| 23.7.1966 | BRSCC Oulton Park [SR/R] | 66 | 22 | Derek Bracegirdle | Derek Bracegirdle | 7th |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 76 | Seven Super | Judith Beattie | | DNA |
| 23.7.1966 | BRSCC Oulton Park [SR/R] | 81 | 23 B | Ben Moore | Ben Moore | DNA |
| 23.7.1966 | BRSCC Oulton Park [SR/R] | 84 | 23 B | John Nicholson | John Nicholson | 6th |
| 23.7.1966 | BRSCC Oulton Park [SR/R] | 85 | 40 | John Scott-Davies | John Scott-Davies | DNF |
| 23.7.1966 | SCCA Regional Connellsville [SR+Production] | 95 | Seven Super | David Stewart | | DNA |
| 23.7.1966 | BRSCC Oulton Park [S/GT] | 160 | Seven | Ted Worswick | Ted Worswick | DNF |