| 18.6.1966 | BARC Silverstone [Handicap] | 1 | Cortina V8 | Merfield / Newbold | D. P. Merfield | DNA |
| 18.6.1966 | BARC Silverstone [Handicap] | 2 | Cortina Lotus | V. S. H. Walker | V. S. H. Walker | DNA |
| 18.6.1966 | BARC Silverstone [Handicap] | 4 | Cortina Lotus | Goodwin / Graveley | H. C. Goodwin | DNA |
| 18.6.1966 | BARC Silverstone [Handicap] | 200 | Cortina GT | J. A. Bennett | J. A. Bennett | DNA |
| 18.6.1966 | June Sprints Road America [AP+BP+CP] | | Mustang | Gil Weed | | ?th |
| 19.6.1966 | 24 h Le Mans | 1 | Mk II | Miles / Hulme | Shelby American Inc. | 2nd |
| 19.6.1966 | 24 h Le Mans | 2 | Mk II | McLaren / Amon | Shelby American Inc. | 1st |
| 19.6.1966 | 24 h Le Mans | 3 | Mk II | Gurney / Grant | Shelby American Inc. | DNF |
| 19.6.1966 | 24 h Le Mans | 4 | Mk II | Hawkins / Donohue | Holman & Moody | DNF |
| 19.6.1966 | 24 h Le Mans | 5 | Mk II | Bucknum / Hutcherson | Holman & Moody | 3rd |
| 19.6.1966 | 24 h Le Mans | 5 | GT J | McLaren / Amon / Grant / Hansgen | Shelby American Inc | DNA |
| 19.6.1966 | 24 h Le Mans | 6 | Mk II | Bianchi / Andretti | Holman & Moody | DNF |
| 19.6.1966 | 24 h Le Mans | 6T | Mk II | Bucknum / Gardner | Shelby American Inc. | T-car |
| 19.6.1966 | 24 h Le Mans | 7 | Mk II | Hill / Muir | Alan Mann Racing Ltd. | DNF |
| 19.6.1966 | 24 h Le Mans | 8 | Mk II | Whitmore / Gardner | Alan Mann Racing Ltd. | DNF |
| 19.6.1966 | 24 h Le Mans | 10 | GT J | Lorenzen / Hulme | Holman & Moody | DNA |
| 19.6.1966 | 24 h Le Mans | 11 | Mk II | Maglioli / Spence | Holman & Moody | DNA |
| 19.6.1966 | 24 h Le Mans | 12 | GT40 | Rindt / Ireland | Comstock Racing Team/F. R. English Ltd. | DNF |
| 19.6.1966 | 24 h Le Mans | 12B | GT40 | Mairesse / Neerpasch / Blank | Scuderia Filipinetti | DNA |
| 19.6.1966 | 24 h Le Mans | 13 | Mk II | Gosselin / Dubois / Hacquin | Scuderia Filipinetti | DNA |
| 19.6.1966 | 24 h Le Mans | 14 | GT40 | Sutcliffe / Spoerry | Scuderia Filipinetti | DNF |
| 19.6.1966 | 24 h Le Mans | 15 | GT40 | Ligier / Grossman | Ford France | DNF |
| 19.6.1966 | 24 h Le Mans | 22 | GT40 | Cussons / Bond | Nick L .Cussons | DNA |
| 19.6.1966 | 24 h Le Mans | 25 | GT40 | Rindt / Ireland | F. R. English Ltd. | DNA |
| 19.6.1966 | 24 h Le Mans | 28 | GT40 | Sutcliffe / Ireland | Peter Sutcliffe | DNA |
| 19.6.1966 | 24 h Le Mans | 31 | Mk II | Piper / Procter | Alan Mann Racing Ltd. | DNA |
| 19.6.1966 | 24 h Le Mans | 32 | GT40 | Johnson / Payne / Whitmore / Gardner | Alan Mann Racing Ltd. | DNA |
| 19.6.1966 | 24 h Le Mans | 33 | GT40 | Hill / Stewart / Hawkins | Alan Mann Racing Ltd. | DNA |
| 19.6.1966 | 24 h Le Mans | 59 | GT40 | Scott / Revson | Essex Wire Corporation | DNF |
| 19.6.1966 | 24 h Le Mans | 60 | GT40 | Neerpasch / Ickx | Essex Wire Corporation | DNF |
| 19.6.1966 | 24 h Le Mans | 63 | GT40 | Richard Holquist | Scuderia Bear | DNS |
| 19.6.1966 | Hockenheim [ser.T2.0/T+1.6/GT1.15] | 157 | Mustang | André Bungener | Scuderia Filipinetti | DNA |
| 19.6.1966 | DARM Mainz-Finthen [GT1.3/T1.6] | | Cortina Lotus | "Donald Duck" | | DNF |
| 26.6.1966 | Trophée d'Auvergne | 88 | GT40 | Jean-Michel Giorgi | | 6th |
| 26.6.1966 | GP Watkins Glen | 95 | GT40 | Eppie Wietzes | Comstock Racing Team | 14th |
| 26.6.1966 | Hill Climb Mont Ventoux | | Zephyr 6 | Daniël Rouveyran | | 23rd |
| 26.6.1966 | Hill Climb Mont Ventoux | | Cortina Lotus | Minier | | 16th |
| 26.6.1966 | Hill Climb Mont Ventoux | | Mustang | | | raced |
| 26.6.1966 | Hill Climb Mont Ventoux | | Cortina Lotus | John Whitmore | Alan Mann Racing | 1st |
| 26.6.1966 | Hill Climb Mont Ventoux | | Cortina Lotus | Lucien Bianchi | Alan Mann Racing | 4th |
| 2.7.1966 | BAC Regionals Harewood Acres [Challenge Cup] | 32 | Cobra | Jack Paveling | Jack Paveling | DNA |
| 2.7.1966 | BARC Crystal Palace [Special GT/Marque] | 60 | GT40 | Peter Sutcliffe | P. Sutcliffe | 1st |
| 2.7.1966 | BARC Crystal Palace [Special GT/Marque] | 61 | GT40 | Brian Redman | L. N. Cussons | 3rd |
| 2.7.1966 | BARC Crystal Palace [Special GT/Marque] | 62 | GT40 | Eric Liddell | J. N. Cuthbert | 2nd |
| 2.7.1966 | BRSCC Oulton Park [GT] | 85 | Anglia | John B. Lewis | John B. Lewis | 10th |
| 3.7.1966 | 6 h Nürburgring | 1 | Mustang (T5) | von Rohrer / Hillesheim | Österreichischer Automobilsportclub | DNF |
| 3.7.1966 | 6 h Nürburgring | 37 | Cortina Lotus | Whitmore / Gardner | Alan Mann Racing | DNF |
| 3.7.1966 | 6 h Nürburgring | 38 | Cortina Lotus | Hawkins / Ickx | Alan Mann Racing | DNF |
| 3.7.1966 | 6 h Nürburgring | 39 | Cortina Lotus | "Lenz" / Lubin | | DNF |
| 3.7.1966 | 6 h Nürburgring | | Anglia Super | Lanfranchi / Goodwin | | DNF |
| 9.7.1966 | Martini Trophy Silverstone | 17 | GT40 | Mike Salmon | Michael Salmon | DNF |
| 9.7.1966 | Martini Trophy Silverstone | 24 | GT40 | Richard Bond | L. N. Cussons | 8th |
| 9.7.1966 | Martini Trophy Silverstone | 25 | GT40 | Eric Liddell | J. N. Cuthbert | 7th |
| 9.7.1966 | Martini Trophy Silverstone | 26 | GT40 | Peter Sutcliffe | Peter Sutcliffe | 6th |
| 10.7.1966 | MMRC Mont-Tremblant [Modified +1.0/Production +1.3] | 95 | GT40 | Eppie Wietzes | Comstock | 1st |
| 10.7.1966 | Pepsi-Cola Mont-Tremblant | 95 | GT40 | Eppie Wietzes | Comstock | 5th |
| 10.7.1966 | Trans-Am Bryar | | Mustang | Feistmann / Norburn | | 10th |
| 10.7.1966 | Trans-Am Bryar | | Cortina Lotus | John Whitmore | Alan Mann Racing | DNF |
| 10.7.1966 | Trans-Am Bryar | | Cortina Lotus | Frank Gardner | Alan Mann Racing | 5th |
| 10.7.1966 | Trans-Am Bryar | | Mustang | Duclos / Arego | | DNF |
| 10.7.1966 | Trans-Am Bryar | | Mustang | Lake / Barber | | 6th |
| 10.7.1966 | Trans-Am Bryar | | Mustang | Yeager / Johnson | | 4th |
| 10.7.1966 | Trans-Am Bryar | | Mustang | Talbert / Griswold | | DNF |
| 10.7.1966 | Trans-Am Bryar | | Cortina Lotus | Allan Moffat | | 1st |
| 16.7.1966 | GP Brands Hatch | 43 | GT40 | Peter Sutcliffe | Peter Sutcliffe | DNA |
| 16.7.1966 | GP Brands Hatch | 45 | GT40 | Eric Liddell | J. N. Cuthbert | 11th |
| 16.7.1966 | Holmpatrick Trophy | | Special | John Smith | | 2nd |
| 16.7.1966 | Holmpatrick Trophy | | Special | W. J. McGucken | | 4th |
| 17.7.1966 | GP Mugello | | GT40 | Maglioli / Casoni | | DNA |
| 24.7.1966 | 24 h Spa | 1 | Mustang | Gautot / Tuerlinckx | | 4th |
| 24.7.1966 | 24 h Spa | 3? | Mustang | Rey / Bungener | Scuderia Filipinetti | DNF |
| 24.7.1966 | 24 h Spa | 5 | Mustang | Hanrioud / Sage / Rey | Scuderia Filipinetti | 8th |
| 24.7.1966 | 24 h Spa | 21 | Cortina Lotus | Allen / Moores / Ralph | Longbacon Engineering | 10th |
| 24.7.1966 | SCCA National Connellsville [CSR+DSR+ESR+FSR] | 22 | GT40 | Dick Thompson | | DNA |
| 24.7.1966 | SMRC Ingliston [Special GT+1.2] | 49 | Mustang | Jackie Oliver | D. R. Racing | DNA |
| 24.7.1966 | 24 h Spa | 79 | Anglia Super | Lanfranchi / Goodwin | | DNF |
| 30.7.1966 | 500 km Snetterton | 20 | Anglia Super | Goodwin / Goodwin | | 17th |
| 30.7.1966 | 500 km Snetterton | 35 | Cortina Lotus | John Whitmore | Alan Mann Racing | DNF |
| 30.7.1966 | 500 km Snetterton | 36 | Cortina Lotus | Stewart | Alan Mann Racing | 4th |
| 30.7.1966 | 500 km Snetterton | 37 | Cortina Lotus | Hughes / Lubin | Frami Racing Maastricht | DNF |
| 30.7.1966 | 500 km Snetterton | 61 | Mustang | Pierpoint / Savory | Rackham Motors | DNF |
| 30.7.1966 | 500 km Snetterton | 62 | Mustang | R. Hakanson | Babea Racing Team | DNF |
| 30.7.1966 | LCCC Oulton Park [Clubman/1172F] | 77 | Special | John Brooks | John Brooks | DNA |
| 30.7.1966 | LCCC Oulton Park [Formula Libre] | 131 | GT40 | Nick Cussons | Nick Cussons | 2nd |
| 31.7.1966 | Trans-Am Virginia | 2? | Cortina Lotus | Gardner / Attwood | Alan Mann Racing | DNF |
| 31.7.1966 | Trans-Am Virginia | 4? | Cortina Lotus | Moffat / Fisher | | DNF |
| 31.7.1966 | Trans-Am Virginia | 34? | Mustang | Yeager / Johnson | | 1st |
| 31.7.1966 | Trans-Am Virginia | 57? | Mustang | Feistmann / Norburn | | 2nd |
| 31.7.1966 | Trans-Am Virginia | 77 | Mustang | Turner / Lake | | 22nd |
| 31.7.1966 | Trans-Am Virginia | | Cortina Lotus | Attwood / Scott | Alan Mann Racing | DNF |
| 31.7.1966 | Trans-Am Virginia | | Mustang | Thompson / Sutter | Dick Thompson | DNF |
| 31.7.1966 | Trans-Am Virginia | | Mustang | Diamond / Decker | | DNF |
| 6.8.1966 | Anerley Trophy Crystal Palace | 66 | GT40 | Nick Cussons | Nick Cussons | ?th |
| 7.8.1966 | 3 h Huíla | 21 | Cortina Lotus Racing | Emílio Marta | | 1st |
| 7.8.1966 | Coppa Citta di Enna | 54 | GT40 | Mario Casoni | Scuderia Brescia Corse | NC |
| 7.8.1966 | Coppa Citta di Enna | | GT40 | | | DNA |
| 14.8.1966 | Benefactor Cup Croft | 51 | GT40 | Eric Liddell | Norman Cuthbert | 1st |
| 14.8.1966 | Wills Trophy Croft | 51 | GT40 | Eric Liddell | Norman Cuthbert | DNF |
| 14.8.1966 | Wills Trophy Croft | 52 | GT40 | Nick Cussons | Nick Cussons | 8th |
| 14.8.1966 | Wills Trophy Croft | 53 | GT40 | | Bernard White Racing | DNA |