| 12.4.1964 | SCCA National Marlboro [EP] | 4 | | Bill Haenelt | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 7 | | Ed Grant | | 11th |
| 12.4.1964 | SCCA National Marlboro [CP+DP] | 9 | | George Craddock | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 11 | | Roger Delaney | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 17 | | H. Kicherer | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 22 | | Peter Hutchinson | | 9th |
| 12.4.1964 | SCCA National Marlboro [EP] | 25 | | Dieter Steinmann | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 27 | | Tom Stamp | | 16th |
| 12.4.1964 | SCCA National Marlboro [EP] | 33 | | Richard Mandelsen | | DNF |
| 12.4.1964 | SCCA National Marlboro [CP+DP] | 41 | | Bob Bailey | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 48 | | Dic Sundra | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 51 | | Larry Myers | | 14th |
| 12.4.1964 | SCCA National Marlboro [GP+HM] | 68 | | Sam Armstrong | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 71 | | Newt Whitcomb | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 75 | | Robert LaFond | | DNA |
| 12.4.1964 | SCCA National Marlboro [CP+DP] | 77 | | Bruce Jennings | | 2nd |
| 12.4.1964 | SCCA National Marlboro [EP] | 79 | | Harry Wardlow | | DNA |
| 12.4.1964 | Aspern [S/GT] | 82 | | Robert Rojkowski | ÖASC | 19th |
| 12.4.1964 | Aspern [S/GT] | 83 | | Karl Seitz | R.A.R. Team-Wien | 17th |
| 12.4.1964 | SCCA National Marlboro [EP] | 83 | | Hans Ziereis | | 1st |
| 12.4.1964 | Aspern [S/GT] | 84 | | Walter Surtmann | W. Surtmann | DNA |
| 12.4.1964 | Aspern [S/GT] | 85 | | Klaus Sterzinger | Scuderia Graz | 14th |
| 12.4.1964 | Aspern [S/GT] | 86 | | Manfred Swarovsky | Manfred Swarovsky | 13th |
| 12.4.1964 | Aspern [S/GT] | 92 | | A. Schierl | ÖASC | 10th |
| 12.4.1964 | SCCA National Marlboro [EP] | 97 | | George Frey | | DNF |
| 12.4.1964 | 6 h Dakar | - | | Cognet | | 1st |
| 12.4.1964 | SCCA Regional Vaca Valley [CP+EP] | | | Walter Benson | | 3rd |
| 12.4.1964 | SCCA Regional Vaca Valley [CP+EP] | | | Fred Keyser | | 1st |
| 12.4.1964 | SCCA Regional Vaca Valley [CP+EP] | | | Ron Dale | | 2nd |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 12 | | Bill Remig | | DNA |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 14 | | Peter Hutchinson | | DNF |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 22 | | Ron Grable | | 5th |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 27 | | Tom Stamp | | DNA |
| 19.4.1964 | MWCSCC Lynndale Farms [HM+EP] | 27? | | Don McIntosh | Don McIntosh | 1st |
| 19.4.1964 | MWCSCC Lynndale Farms [HM+EP] | 28? | | Byron Bossart | Byron Bossart | DNA |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 34 | | John Kelly | | 3rd |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 66 | | Warren Matzen | | DNA |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 75 | | Bob Mouat | | 10th |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 77 | | Bruce Jennings | | 2nd |
| 19.4.1964 | MWCSCC Lynndale Farms [HM+EP] | | | Mike Mierzwa | Michael Mierzwa | DNA |
| 19.4.1964 | Imola [GT2.5] | | | Alessandro Marcon | | 5th |
| 25.4.1964 | LCCC Oulton Park [GT] | 112 | | Gerhard Krassner | Gerhard Krassner | DNA |
| 26.4.1964 | SM Knutstorp [S+1.15] | 1 | | Ernst Paulsson | Hyllinge MS | 2nd |
| 26.4.1964 | SM Knutstorp [S+1.15] | 2 | | Rolf Lundbom | Uppl. Väsby MK | 3rd |
| 26.4.1964 | SM Knutstorp [S+1.15] | 8 | | Bertil Lindberg | | DNA |
| 26.4.1964 | SM Knutstorp [S+1.15] | 9 | | Ingemar Nordström | | DNA |
| 26.4.1964 | USRRC-GT Riverside | 18 | | Dale Hersh | | DNA |
| 26.4.1964 | USRRC-GT Riverside | 21 | | Alan Johnson | | 9th |
| 26.4.1964 | Coupes de Vitesse | 40 | | Jacky Dechaumel | A.G.A.C.I. | DNA |
| 26.4.1964 | Coupes de Vitesse | 42 | | Marcel Balsa | Marcel Balsa | ?th |
| 26.4.1964 | Coupes de Vitesse | 44 | | Nathaniel Helmick | Ecurie Escargot | DNA |
| 26.4.1964 | WJC Charterhall [GT+1.3] | 46 | | Ernest Blackadder | T. E. Blackadder | ?th |
| 26.4.1964 | WJC Charterhall [Racing] | 46 | | Ernest Blackadder | T. E. Blackadder | DNA |
| 26.4.1964 | Targa Florio | 74 | #122 991 | Klass / Neerpasch | Porsche System Engineering | 7th |
| 26.4.1964 | Targa Florio | 92 | | "Ben Hur" / "The Tortoise" | "Ben Hur" | DNF |
| 26.4.1964 | USRRC-GT Riverside | 171 | | Dick Smith | | 14th |
| 26.4.1964 | USRRC-GT Riverside | 701 | | Dennis Harrison | | 10th |
| 26.4.1964 | SCCA Divisional Vineland [AP+BP+CP] | | | | | raced |
| 26.4.1964 | SCCA Divisional Vineland [EP] | | | Bert Everett | | 2nd |
| 26.4.1964 | SCCA Divisional Vineland [AP+BP+CP] | | | | | raced |
| 26.4.1964 | SCCA Divisional Vineland [EP] | | | Bruce Jennings | | 3rd |
| 26.4.1964 | SCCA Divisional Vineland [EP] | | | Hans Ziereis | | 1st |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 44 | | Dickey / Minter | Harry Weber | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 72 | | Wyn Robertson | Read Buckman | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 87 | | Bill Durst | Bill Durst | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 89 | | Walt Maas | R. Lukes and H. Shorman | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 111 | | Oran Crumley | Oran Crumley | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 116 | | Bob Herda | Bob Herda | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 143 | | Ron Dale | Ron Dale | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 152 | | John Kerby-Miller | John Kerby-Miller | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 158 | | Fred Keyser | Fred Keyser | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 159 | | Robert Sheldon | Robert Sheldon | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 171 | | Dick Smith | Richard Smith | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 184 | | Robert Martindale | Robert Martindale | DNA |
| 2.5.1964 | SCCA Regional Laguna Seca [CP+EP] | 237 | | Walter Benson | Walt Benson | DNA |
| 3.5.1964 | USRRC-GT Laguna Seca | 18 | | Dale Hersh | Dale Hersch | DNA |
| 3.5.1964 | USRRC-GT Laguna Seca | 21 | | Alan Johnson | Alan Johnson | DNA |
| 3.5.1964 | SM Skarpnäck [S+1.15] | 65 | | Ernst Paulsson | Hyllinge MS | 2nd |
| 3.5.1964 | SM Skarpnäck [S+1.15] | 67 | #100469 | Ingemar Nordström | Medelpads AMK | 4th |
| 3.5.1964 | SM Skarpnäck [S+1.15] | 69 | | Rolf Lundbom | Uppl. Väsby MK | DNF |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Nathaniel Helmick | | 3rd |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Manfred Abels | | 4th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Hans Werle | | 6th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Rolf Götz | | 5th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Kurt Louis | | 2nd |
| 3.5.1964 | SCCA Regional Newport [DP+EP+Sedan] | | | Mike Eyerly | | 2nd |
| 3.5.1964 | SCCA Regional Kent Fields [CP+DP+EP] | | | Peter Hutchinson | | ?th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Jim Smith | | 1st |
| 3.5.1964 | SCCA Regional Newport [CM+DM+EM+FM+GM+AP+BP+CP+Formula] | | | Allen Lander | | ?th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Richard Kern | | 7th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Hans Nölle | | 14th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Alfred Knaier | | 13th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Alex Brück | | 15th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | H.-G. Kriesch | | 17th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Günther Schwarz | | 16th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | A. von Blankenfeld | | 9th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Günther Boesen | | 8th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Richard Thiel | | 10th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Stephen Behr | | 12th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | | Willi Kauhsen | | 11th |