| 3.5.1964 | USRRC-GT Laguna Seca | 18 | 356 | Dale Hersh | Dale Hersch | DNA |
| 3.5.1964 | USRRC-GT Laguna Seca | 32 | 904 GTS | Kurt Neumann | Otto Zipper | 7th |
| 3.5.1964 | USRRC Laguna Seca | 48 | 718 RS 61 | Steve Froines | Ralph Wood | 14th |
| 3.5.1964 | USRRC-GT Laguna Seca | 60 | 904 GTS | Don Wester | Porsche Car Pacific | 4th |
| 3.5.1964 | USRRC Laguna Seca | 60 | 904 GTS | Don Wester | Porsche Car Pacific | DNS |
| 3.5.1964 | USRRC Laguna Seca | 80 | 718 RS 61 | Eldon Beagle | Harry Weber | 19th |
| 3.5.1964 | USRRC Laguna Seca | 132 | 718 RSK | Jim Kennedy | | 8th |
| 3.5.1964 | USRRC Laguna Seca | 222 | 718 RS 60 | John Masterson | Masterson Racing Enterprises | DNF |
| 3.5.1964 | SCCA Regional Kent Fields [other] | | | Dull | | ?th |
| 3.5.1964 | SCCA Regional Newport [DP+EP+Sedan] | | 356 1600 | Mike Eyerly | | 2nd |
| 3.5.1964 | SCCA Regional Newport [CM+DM+EM+FM+GM+AP+BP+CP+Formula] | | 356 Carrera | Allen Lander | | ?th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | 356 Carrera | Hans Werle | | 6th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | 356 1600 Super | Nathaniel Helmick | | 3rd |
| 3.5.1964 | DARM GT Trier [GT1.6] | | 356 B Super 90 | Stephen Behr | | 12th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | 356 B Super 90 | A. von Blankenfeld | | 9th |
| 3.5.1964 | DARM GT Trier [GT1.6] | | 356 B Super 90 | H.-G. Kriesch | | 17th |
| 3.5.1964 | DARM GT Trier [GT2.5] | | 904 GTS | Günther Selbach | | 2nd |
| 9.5.1964 | LASC Harewood Acres [Unrestricted] | | 718 RS 61 | Rudy Bartling | | 2nd |
| 9.5.1964 | LASC Harewood Acres [Main] | | 718 RS 61 | Rudy Bartling | | 1st |
| 9.5.1964 | LASC Harewood Acres [race 7] | | 718 RS 61 | Ludwig Heimrath | | 2nd |
| 10.5.1964 | SCCA Regional Vineland [CM+DM+EM+FM] | 17 | 550 RS | Ned Owen | | 3rd |
| 10.5.1964 | USRRC Kent | 32 | 718 RSK | Jim Kennedy | | DNF |
| 10.5.1964 | USRRC-GT Kent | 60 | 904 GTS | Don Wester | | 4th |
| 10.5.1964 | USRRC Kent | 60 | 904 GTS | Don Wester | | 9th |
| 10.5.1964 | USRRC-GT Kent | 64 | 904 GTS | Mike Eyerly | | 5th |
| 10.5.1964 | USRRC Kent | 64 | 904 GTS | Mike Eyerly | | 7th |
| 10.5.1964 | Roskilde Ring [S1.6] | | 356 B Carrera Abarth GTL | Ernst Poulsson | | 1st |
| 10.5.1964 | MWCSCC Meadowdale [other] | | 356 | Don McIntosh | | ?th |
| 16.5.1964 | Vallelunga | | 904 GTS | Juan Fernandez | | 2nd |
| 17.5.1964 | SCCA National Cumberland [EP] | 1 | 356 | T. King-Hedinger | T. King Hedinger | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 2 | 356 | Barnie Burnett | Barnie Burnett | DNA |
| 17.5.1964 | SCCA National Cumberland [CM+DM+EM+FM] | 7 | 718 RSK | Fred Touchton | Fred N. Touchton | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 12 | 356 Super | Bill Romig | Bill Romig | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 15 | 356 | Sterling Kresge | Sterling Kresge | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 17 | 356 | Harry Wardlow | Harry Wardlow | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 21 | 356 | Peter Hutchinson | Peter Hutchinson | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 22 | 356 | Ron Grable | Ron Grable | 2nd |
| 17.5.1964 | SCCA National Cumberland [CP] | 34 | 356 Carrera | John Kelly | John Kelly | 3rd |
| 17.5.1964 | SCCA National Cumberland [EP] | 37 | 356 | Lake Underwood | Lake Underwood | DNA |
| 17.5.1964 | 500 km Spa | 40 | 904 GTS | Heini Walter | | 18th |
| 17.5.1964 | SCCA National Cumberland [CM+DM+EM+FM] | 41 | 550 RS | John Dennis | John J. Dennis Suburban Racing Team | DNA |
| 17.5.1964 | 500 km Spa | 41 | 904 GTS | Edgar Barth | Porsche System Engineering | 5th |
| 17.5.1964 | 500 km Spa | 42 | 904 GTS | Herbert Müller | Scuderia Filipinetti | 14th |
| 17.5.1964 | 500 km Spa | 43 | 904 GTS | "Eldé" | | ?th |
| 17.5.1964 | 500 km Spa | 44 | 904 GTS | Emile-Claude Clemens | | ?th |
| 17.5.1964 | 500 km Spa | 45 | 904 GTS | Gerhard Koch | | 7th |
| 17.5.1964 | 500 km Spa | 46 | 904 GTS | Gerhard Osterfeld | | DQ |
| 17.5.1964 | SCCA National Cumberland [EP] | 47 | 356 | Stuart Lichtman | Stuart Lichtman | DNA |
| 17.5.1964 | 500 km Spa | 47 | 904 GTS | Ben Pon | Racing Team Holland | 8th |
| 17.5.1964 | 500 km Spa | 48 | 904 GTS | Henk van Zalinge | Racing Team Holland | DNA |
| 17.5.1964 | 500 km Spa | 49 | 904 GTS | Edmond Meert | | DNS |
| 17.5.1964 | 500 km Spa | 50 | 904 GTS | Guy Ligier | | 17th |
| 17.5.1964 | 500 km Spa | 51 | 356 2000 GS Carrera | Jacques Thenaers | | DNA |
| 17.5.1964 | 500 km Spa | 52 | 356 C 2000 | Jean-Pierre Gaban | | DNF |
| 17.5.1964 | SCCA National Cumberland [EP] | 53 | 356 | Nagle Bridwell | Nagle Bridwell | DNA |
| 17.5.1964 | SCCA National Cumberland [GP+HP] | 54 | 356 | Fred Drabenstadt | Fred Drabenstadt | 5th |
| 17.5.1964 | SCCA National Cumberland [CM+DM+EM+FM] | 57 | 718 RS 61 | Charles Kurtz | Charles T. Kurtz | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 66 | 356 | Warren Matzen | Warren Matzen | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 76 | 356 | Charlie Wenger | M. A. Russell | DNA |
| 17.5.1964 | SCCA National Cumberland [CP] | 77 | 356 Carrera | Bruce Jennings | Bruce Jennings | raced |
| 17.5.1964 | SCCA National Cumberland [EP] | 77 | 356 Super | Bruce Jennings | M. A. Russell | 1st |
| 17.5.1964 | SCCA National Cumberland [EP] | 79 | 356 | Dave Kepple | Harold Kepple | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 83 | 356 | Stu Allwoerden | Stuart Allwoerden | 3rd |
| 17.5.1964 | SCCA National Cumberland [CP] | 90 | 356 1600 GS Carrera | Craddock | Dr. Craddock | DNA |
| 17.5.1964 | SCCA National Cumberland [EP] | 97 | 356 | George Frey | George Frey | DNA |
| 17.5.1964 | SCCA Regional Mid-Ohio [FP+HM] | | Special | Dick Wisler | | 2nd |
| 17.5.1964 | SCCA Regional Mid-Ohio [EP] | | 356 | T. King-Hedinger | | 1st |
| 17.5.1964 | SCCA Divisional Del Mar [CM+DM+EM+FM+GM] | | 550 | Ed Krull | | ?th |
| 17.5.1964 | SCCA Divisional Del Mar [EP] | | 356 | Dennis Harrison | | 2nd |
| 17.5.1964 | SCCA Divisional Del Mar [EP] | | 356 | Walt Maas | | 3rd |
| 17.5.1964 | SCCA Divisional Del Mar [EP] | | 356 | Alan Johnson | | DNS |
| 17.5.1964 | SCCA Divisional Del Mar [EP] | | 356 | | | 4th |
| 17.5.1964 | SCCA Divisional Del Mar [EP] | | 356 | John Buntrock | | ?th |
| 17.5.1964 | SCCA Regional Mid-Ohio [CP+DP] | | 356 Super 90 | Ray Thompson | | 1st |
| 17.5.1964 | SCCA Divisional Del Mar [EP] | | 356 | Jack Brink | | ?th |
| 17.5.1964 | SCCA Regional Wilmot [other] | | 356 | Don McIntosh | | ?th |
| 17.5.1964 | SCCA Divisional Del Mar [EP] | | 356 | Johnson | Roger Bursch | 1st |
| 18.5.1964 | Whitsun Goodwood | 23 | 904 GTS | Trevor Taylor | Stirling Moss Automobile Racing | 7th |
| 23.5.1964 | MCMC Oulton Park [C+1.5/GT] | 84 | 356 1500 | Gerhard Krassner | Gerhard Krassner | DNA |
| 23.5.1964 | Prix de Paris [SP2.0/GT+1.6] | | 904 GTS | Gerhard Koch | | 2nd |
| 23.5.1964 | Prix de Paris [SP2.0/GT+1.6] | | 904 GTS | Annie Soisbault | | 6th |
| 23.5.1964 | Prix de Paris [SP2.0/GT+1.6] | | 904 GTS | Guy Ligier | | 3rd |
| 23.5.1964 | Prix de Paris [SP2.0/GT+1.6] | | 718 RS 60 | Caillaud | | ?th |
| 24.5.1964 | Velodromloppet [S+1.15] | 2 | 356 B Carrera Abarth GTL | Ernst Paulsson | Hyllinge MS | 2nd |
| 24.5.1964 | Velodromloppet [S+1.15] | 4 | 904 GTS | Hasse Radefalk | | DNA |
| 24.5.1964 | Velodromloppet [S+1.15] | 11 | 356 Super 90 | Bertil Lindberg | | DNA |
| 24.5.1964 | GP Zandvoort | 50 | 356 Super 90 | "Jan Jansen" | "Jansen" | DNF |
| 24.5.1964 | GP Zandvoort | 53 | 356 1600 GS Carrera | Arie Ruska | A. Ruska | 3rd |
| 24.5.1964 | GP Zandvoort | 59 | 904 | Gijs van Lennep | Ecurie Maarsbergen | DNA |
| 24.5.1964 | Hill Climb Consuma | 310 | 356 B Carrera | "Mann" | | 94th |
| 24.5.1964 | Hill Climb Consuma | 311 | 356 B 1600 | Elvio Maria Zanini | | DNA |
| 24.5.1964 | Hill Climb Consuma | 324 | 356 B Carrera | "Mann" | | DNA |
| 24.5.1964 | Hill Climb Consuma | 326 | 356 B 2000 GS Carrera | "Noris" | | DNA |
| 24.5.1964 | GP Berlin | | 356 B Super 90 | Erhard Sailer | | 7th |
| 24.5.1964 | GP Berlin | | 356 B Super 90 | Jürgen Dietrich | | DNF |
| 24.5.1964 | GP Berlin | | 356 B Super 90 | Johannes Lange | | 10th |
| 24.5.1964 | GP Berlin | | 356 B Super 90 | Willi Kauhsen | | 4th |
| 24.5.1964 | Player's Pacific Westwood | | 904 GTS | Gary Wright | | ?th |
| 24.5.1964 | GP Berlin | | 356 B Super 90 | Sebastian Helliel | | 3rd |
| 24.5.1964 | GP Berlin | | 356 B Super 90 | Günther Schwarz | | 1st |