| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 114 | 41 | Teddie Dawson | Teddie Dawson | DNA |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 116 | 41 | Chris Moore | Chris Moore | DNA |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 119 | 41 | Mo Nunn | Lewis Nunn Racing | DNA |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 120 | 31 | Mo Nunn | Lewis Nunn Racing | raced |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 122 | 31 | Michael Potter | Jim Russell Racing Drivers' School | DNA |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 128 | 19 | John Scott-Davies | Aintree Circuit Racing Team | ?th |
| 16.4.1966 | LCCC Oulton Park [Formula Libre] | 130 | 23 B | Ken Crook | Lewis Nunn Racing | ?th |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 16 | 23 B | Richard Knight | R. Knight | DNE |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 33 | Elan | Bill Dryden | J. N. Cuthbert | 1st |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 34 | Elan | Ernest Blackadder | E. Blackadder | 4th |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 35 | Elan | John Lepp | Sports Motors | 2nd |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 36 | Elan | Sandy McCracken | A. McCracken | 3rd |
| 17.4.1966 | SMRC Ingliston [S/Special GT1.2] | 37 | 23 B | John Nicholson | A. McCracken | 3rd |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 41 | Seven Super | John Love | J. Love | 6th |
| 17.4.1966 | SMRC Ingliston [S/Special GT+1.2] | 45 | Elan | D. J. Mackay | D. J. Mackay | DNA |
| 17.4.1966 | SMRC Ingliston [S/Special GT1.2] | 47 | Eleven GT Le Mans | Geoff Crossley | G. Crossley | DNA |
| 17.4.1966 | SMRC Ingliston [S/Special GT1.2] | 50 | Eleven | Douglas Lamb | D. C. Lamb | DNA |
| 17.4.1966 | SMRC Ingliston [S/Special GT1.2] | 51 | Eleven GT | Reg Forester-Smith | R. Forester-Smith | DNA |
| 17.4.1966 | SMRC Ingliston [S/Special GT1.2] | 53 | 17 | V. Connolly | V. Connolly | DNA |
| 17.4.1966 | SMRC Ingliston [S/Special GT1.2] | 61 | Seven | John Ross | J. S. H. Ross | DNA |
| 17.4.1966 | SMRC Ingliston [S/Special GT1.2] | 82 | Seven | J. Steel | P. de Banks | DNA |
| 17.4.1966 | SCCA National Vineland [AP+BP] | | Elan | Pete Claydon | | 3rd |
| 17.4.1966 | SCCA National Stuttgart [Main] | | Elan | Ed Tucker | | 3rd |
| 17.4.1966 | SCCA National Stuttgart [Main] | | 23 B | Robert Shaw | | 8th |
| 17.4.1966 | ICNSCC Kent [Trophy] | | Mark VI | Loren St. Lawrence | | 3rd |
| 17.4.1966 | ICNSCC Kent [Modified] | | Mark VI | Loren St. Lawrence | | 3rd |
| 17.4.1966 | SCCA National Fernandina Beach [CM+DM+EM+FM+AP+BP+CP] | | Elan | Bob McQueen | | 3rd |
| 17.4.1966 | SCCA National Fernandina Beach [GM+HM+DP+EP] | | 23 B | Wick Williams | | 1st |
| 17.4.1966 | SCCA National Fernandina Beach [GM+HM+DP+EP] | | 23 | George Avant | | 2nd |
| 17.4.1966 | SCCA National Stuttgart [Main] | | 30 | Homer Rader | | DNA |
| 17.4.1966 | SCCA National Vineland [CSR+DSR+ESR+FSR] | | 23 B | George Alderman | | 6th |
| 17.4.1966 | SCCA National Vineland [AP+BP] | | Elan | Bob Leitzinger | | 2nd |
| 17.4.1966 | SCCA National Fernandina Beach [CM+DM+EM+FM+AP+BP+CP] | | 19 Harrison Special | Charlie Kolb | | 1st |
| 24.4.1966 | SM Knutstorp [SP2.0] | 0? | 23 B | Gunnar Carlsson | Stockholms BK | 3rd |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 1 | Seven Super | Clarke Sturdgess | C. Sturdgess | 1st |
| 24.4.1966 | SM Knutstorp [GT2.0] | 1 | Elan | Staffan Wahlström | SVK Västeras | DNF |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 2 | Seven | Pete Barber | P. J. Barber | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 2 | Elan S2 | Ingemar Nilsson | | DNA |
| 24.4.1966 | USRRC Las Vegas | 2 | 30/40 | Bob Challman | Ecurie Shirlee | DNA |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 3 | Seven Super | James Leaver | J. G. Leaver | DNA |
| 24.4.1966 | SM Knutstorp [SP2.0] | 3 | Elan 26 Racing | Rolf Örell | Botkyrka MK | 7th |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 4 | Seven | Brown / Murphy | R. G. Brown | DNA |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 5 | Seven | Paul Lange | P. Lange | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 5 | Elan | Arno Gyltman | Skaraborgs SVK | 3rd |
| 24.4.1966 | USRRC Las Vegas | 5 | | Dan Parkinson | Dan Parkinson | DNA |
| 24.4.1966 | SM Knutstorp [SP2.0] | 5 | 23 B | Gustaf Dieden | Karlsgoga MK | 4th |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 6 | Seven | Bob Beevers | R. H. Beevers | raced |
| 24.4.1966 | SM Knutstorp [SP2.0] | 6 | Elan 26 Racing | Per Brandström | Sportvagnsimport AB | 6th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 7 | Elan S2 | Jan Johnson | SMK Motala | 2nd |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 7 | Seven | Tony Youlten | C. A. Omerod | 3rd |
| 24.4.1966 | BARC Brands Hatch [Handicap] | 8 | Seven | J. D. Darby | J. D. Darby | raced |
| 24.4.1966 | SM Knutstorp [GT2.0] | 8 | Elan S2 | Jan-Olof Östlund | | DNA |
| 24.4.1966 | SM Knutstorp [SP2.0] | 8 | 23 B | Sven Edvin Asberg | | DNA |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 8 | Seven | J. D. Darby | J. D. Darby | DNA |
| 24.4.1966 | SM Knutstorp [SP2.0] | 9 | 23 | Göte-Ingvar Johansson | Hyllinge MS | DNF |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 9 | Seven | Brian Rippingale | B. Rippingale | DNA |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 10 | Seven Super | P. L. Tose | P. Tose | 2nd |
| 24.4.1966 | SM Knutstorp [SP2.0] | 10 | Elite | Kjell Alfvengren | | DNA |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 11 | Seven | M. Powys-Lybbe | M. Powys-Lybbe | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 12 | Elan S2 | Yngve Johansson | | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 13 | Elan | Lennart Strandberg | Borlänge MK | 4th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 14 | Elan S2 | Åke Hagstrand | | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 15 | Elan | Erik Berger | Bengtsfors MC | 1st |
| 24.4.1966 | SM Knutstorp [GT2.0] | 16 | Elan | Claes Lake | | DNA |
| 24.4.1966 | USRRC Las Vegas | 16 | 23 B | George Follmer | George Follmer | 7th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 17 | Elan S2 | Per Brandström | Sportvagnsimport AB | 5th |
| 24.4.1966 | SM Knutstorp [GT2.0] | 18 | Elan S2 | Claes Jung | | DNA |
| 24.4.1966 | SM Knutstorp [GT2.0] | 19 | Elan | Anders Josephson | | DNA |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 21 | Seven | J. Bruce | J. Bruce | ?th |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 22 | Seven | Brian Bull | B. J. Bull | ?th |
| 24.4.1966 | USRRC Las Vegas | 23 | | John Timanus | Serendipity Racing Team | DNA |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 23 | Seven | C. Baldwin | W. Weston | raced |
| 24.4.1966 | BARC Brands Hatch [Clubman] | 24 | Seven | C. D. Weller | C. D. Weller | ?th |
| 24.4.1966 | USRRC Las Vegas | 29 | 19 G | Steve Diulo | Steve Diulo | 12th |
| 24.4.1966 | USRRC Las Vegas | 36 | 23 B | Pierre Phillips | Pierres Motors | DNA |
| 24.4.1966 | USRRC Las Vegas | 42 | 23 B | Candido DaMota | Candido Da Mota | DNS |
| 24.4.1966 | USRRC Las Vegas | 44 | 19 | Jerry Hansen | Jerry Hansen | DNF |
| 24.4.1966 | USRRC Las Vegas | 46 | 23 | John Morton | | 10th |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 66 | Elan | Eric Falce | E. P. Falce | 2nd |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 67 | Elan | Ray Adlam | R. W. Adlam | ?th |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 68 | Elan | Peter Pollard | P. M. Pollard | DNA |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 69 | Elan | Don Marriott | D. Marriott | DNA |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 70 | Elan | John Harris | M. Gartland | 1st |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 71 | Elan | Keith Burnand | H. K. Burnand | DNA |
| 24.4.1966 | BARC Brands Hatch [Special GT] | 72 | Elan | Bob Ellice | R. Ellice | DNA |
| 24.4.1966 | BARC Brands Hatch [Handicap] | 195 | Elan | P. F. Bartley | P. F. Bartley | raced |
| 24.4.1966 | BARC Brands Hatch [Handicap] | 199 | 15 | Graham Capel | D. Plumstead | raced |
| 24.4.1966 | BARC Brands Hatch [Handicap] | 201 | Seven | Miss I. Robinson | Miss I. Robinson | raced |
| 24.4.1966 | SCCA Regional Shelton [Main] | | 23 | Tony Boothby | | DNS |
| 24.4.1966 | SCCA Regional Shelton [Main] | | 23 | Dick Schmidt | | 3rd |
| 24.4.1966 | SCCA Regional Shelton [Main] | | Seven Super | Bob Morris | | ?th |
| 24.4.1966 | SCCA Regional Shelton [Main] | | Eleven | Barrie Brush | | ?th |
| 25.4.1966 | Zandvoort [Formula Libre] | 2 | 23 | Ron Deinum | | 1st |
| 25.4.1966 | Zandvoort [Formula Libre] | 7 | Seven Super | Ton Keyzer | | 2nd |
| 25.4.1966 | 1000 km Monza | 42 | 23 | Perrot / Knecht | Squadra Tartaruga | DNA |
| 25.4.1966 | 1000 km Monza | 43 | Elan | Steinemann / Eichhorn | Squadra Foitek | DNF |
| 30.4.1966 | Tourist Trophy | 18 | 23 | Tommy Weber | Vegantune Engineering | 5th |
| 30.4.1966 | Tourist Trophy | 20 | 23 | Mike Garton | Vegantune Engineering | 12th |
| 30.4.1966 | Tourist Trophy | 56 | 30 | Peter Sadler | Peter Sadler | 10th |
| 30.4.1966 | DARM Trier [S+1.3] | | Elan | Andreas Eichhorn | | 6th |