| 21.3.1964 | 12 h Sebring | 36 | 904 GTS | Ginther / Bucknum | Precision Motor Cars | 37th |
| 21.3.1964 | 12 h Sebring | 37 | 904 GTS | Underwood / Cunningham | B. S. Cunningham | 9th |
| 21.3.1964 | 12 h Sebring | 38 | 904 GTS | Carel Godin de Beaufort | Count Godin de Beaufort | DNF |
| 21.3.1964 | 12 h Sebring | 39 | 904 GTS | Ryan / Bencker | John E. Ryan | 31st |
| 21.3.1964 | 12 h Sebring | 40 | 904 GTS | Sharp / Hissom | Hap Sharp | DNF |
| 21.3.1964 | 12 h Sebring | 41 | 718 WRS | Barth / Linge | Porsche System Engineering | 20th |
| 21.3.1964 | 12 h Sebring | 42 | 356 B 2000 GS Carrera GT | Wester / Jennings | Porsche System Engineering | 19th |
| 21.3.1964 | 12 h Sebring | 45 | 356 B 2000 GS Carrera Abarth GTL | Cassel / Sesslar | Carl W. Lindell | 12th |
| 21.3.1964 | 12 h Sebring | 52 | 356 B 1600 GS Carrera Abarth GTL | Bentley / Witmer | Kenneth Chambliss | DNF |
| 21.3.1964 | 12 h Sebring | 83 | 904 GTS | | Precision Motor Cars | DNA |
| 28.3.1964 | Roy Hesketh [S+GT] | | 718 RS 61 | Dawie Gous | | 1st |
| 28.3.1964 | BRSCC Rufforth [GT2.5] | | 356 A 1600 GS Carrera | Gordon Durham | G. Durham | 3rd |
| 28.3.1964 | Roy Hesketh [S+GT] | | 356 B Carrera Abarth | Peter Engelbrecht | | ?th |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 1 | 904 GTS | "Eldé" | | 1st |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 3 | 904 GTS | Emile-Claude Clemens | | ?th |
| 30.3.1964 | Lavant Cup Goodwood | 42 | 904 GTS | John Whitmore | Stirling Moss Automobile Racing Team | 6th |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 701 | 356 | A. van Caneghem | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 703 | 356 Super 90 | Callier | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 705 | 356 1600 GS Carrera | Michel Massin | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 707 | 356 1600 GS Carrera | Jean-Pierre Gaban | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 708 | 356 B Super 90 | Jacques Thenaers | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 802 | 356 2000 GS Carrera | Thenaers | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 806 | 356 2000 GS Carrera | Carlos | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 810 | 904 GTS | Claude Dubois | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 814 | 356 2000 GS Carrera | Kernevi | | DNA |
| 5.4.1964 | USRRC-GT Pensacola | 5 | | Jim Manley | | DNF |
| 5.4.1964 | USRRC Pensacola | 51 | 718 RS 60 | Chuck Cassel | | DNF |
| 5.4.1964 | SCCA Divisional Tucson [EP+FP] | | 356 | Terry Hall | | 2nd |
| 5.4.1964 | SCCA Divisional Tucson [EP+FP] | | 356 | Dennis Harrison | | 1st |
| 5.4.1964 | Preliminary Tucson [Novice] | | 718 RS 61 | Ralph Wood | | 1st |
| 5.4.1964 | USRRC-GT Pensacola | | 904 GTS | Bill Bencker | | DNF |
| 5.4.1964 | SCCA Divisional Tucson [EP+FP] | | 356 | Alan Johnson | | raced |
| 5.4.1964 | SCCA Divisional Tucson [CM+DM+EM+FM+GM] | | 718 RS 61 | Steve Froines | | ?th |
| 12.4.1964 | SCCA National Marlboro [EP] | 2 | 356 | John Girdler | | 8th |
| 12.4.1964 | SCCA National Marlboro [EP] | 4 | 356 | Bill Haenelt | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 7 | 356 | Ed Grant | | 11th |
| 12.4.1964 | SCCA National Marlboro [CP+DP] | 9 | 356 Carrera | George Craddock | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 11 | 356 | Roger Delaney | | DNA |
| 12.4.1964 | 6 h Dakar | 17 | 904 GTS | Soisbault / Richard | | raced |
| 12.4.1964 | SCCA National Marlboro [EP] | 17 | 356 | H. Kicherer | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 22 | 356 | Peter Hutchinson | | 9th |
| 12.4.1964 | SCCA National Marlboro [EP] | 25 | 356 | Dieter Steinmann | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 27 | 356 | Tom Stamp | | 16th |
| 12.4.1964 | SCCA National Marlboro [EP] | 28 | 356 | Ron Grable | | 2nd |
| 12.4.1964 | SCCA National Marlboro [EP] | 33 | 356 | Richard Mandelsen | | DNF |
| 12.4.1964 | SCCA National Marlboro [CP+DP] | 34 | 356 Carrera | John Kelly | | 5th |
| 12.4.1964 | SCCA National Marlboro [CP+DP] | 38 | 356 | John Moore | | 7th |
| 12.4.1964 | SCCA National Marlboro [CP+DP] | 41 | 356 | Bob Bailey | | DNA |
| 12.4.1964 | SCCA National Marlboro [CM+DM+EM+FM+GM] | 41 | 550 RS | John Dennis | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 47 | 356 | Stuart Lichtman | | 7th |
| 12.4.1964 | SCCA Regional Vaca Valley [CM+DM+EM+FM+GM] | 48 | 718 RS 61 | Steve Froines | | 1st |
| 12.4.1964 | SCCA National Marlboro [EP] | 48 | 356 | Dic Sundra | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 51 | 356 | Larry Myers | | 14th |
| 12.4.1964 | SCCA National Marlboro [EP] | 53 | 356 | Nagle Bridwell | | 6th |
| 12.4.1964 | SCCA National Marlboro [CM+DM+EM+FM+GM] | 57 | | Fred Touchton | | DNA |
| 12.4.1964 | SCCA Regional Vaca Valley [CM+DM+EM+FM+GM] | 60 | 904 GTS | Don Wester | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 66 | 356 | Warren Matzen | | DNF |
| 12.4.1964 | SCCA National Marlboro [GP+HM] | 68 | 356 | Sam Armstrong | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 71 | 356 | Newt Whitcomb | | DNF |
| 12.4.1964 | SCCA National Marlboro [EP] | 75 | 356 | Robert LaFond | | DNA |
| 12.4.1964 | SCCA National Marlboro [CM+DM+EM+FM+GM] | 76 | | Herb Wetanson | | DNA |
| 12.4.1964 | SCCA National Marlboro [EP] | 76 | 356 | Charlie Wenger | | 5th |
| 12.4.1964 | SCCA National Marlboro [CP+DP] | 77 | 356 Carrera | Bruce Jennings | | 2nd |
| 12.4.1964 | SCCA National Marlboro [EP] | 77 | 356 | Bruce Jennings | | 3rd |
| 12.4.1964 | SCCA National Marlboro [EP] | 79 | 356 | Harry Wardlow | | DNA |
| 12.4.1964 | Aspern [S/GT] | 82 | 356 B | Robert Rojkowski | ÖASC | 19th |
| 12.4.1964 | SCCA National Marlboro [EP] | 83 | 356 A Speedster | Hans Ziereis | | 1st |
| 12.4.1964 | Aspern [S/GT] | 83 | 356 B Super 90 | Karl Seitz | R.A.R. Team-Wien | 17th |
| 12.4.1964 | Aspern [S/GT] | 84 | 356 C | Walter Surtmann | W. Surtmann | DNA |
| 12.4.1964 | Aspern [S/GT] | 85 | 356 A 1600 GS Carrera | Klaus Sterzinger | Scuderia Graz | 14th |
| 12.4.1964 | Aspern [S/GT] | 86 | 356 B 1600 GS Carrera | Manfred Swarovsky | Manfred Swarovsky | 13th |
| 12.4.1964 | Aspern [S/GT] | 88 | 904 GTS | Heini Walter | ÖASC | DNA |
| 12.4.1964 | Aspern [S/GT] | 89 | 904 GTS | Gerhard Koch | G. Koch | 5th |
| 12.4.1964 | Aspern [S/GT] | 90 | 904 GTS | Paolo Colombo | P. Colombo | DNA |
| 12.4.1964 | Aspern [S/GT] | 92 | 356 B 2000 GS Carrera | A. Schierl | ÖASC | 10th |
| 12.4.1964 | SCCA National Marlboro [EP] | 97 | 356 | George Frey | | DNF |
| 12.4.1964 | 6 h Dakar | - | 356 B Carrera Abarth | Cognet | | 1st |
| 12.4.1964 | SCCA Regional Vaca Valley [CM+DM+EM+FM+GM] | | 550 | Charles Kuhn | | ?th |
| 12.4.1964 | SCCA Regional Vaca Valley [CP+EP] | | 356 | Fred Keyser | | 1st |
| 12.4.1964 | SCCA Regional Vaca Valley [CP+EP] | | 356 | Walter Benson | | 3rd |
| 12.4.1964 | SCCA Regional Vaca Valley [CP+EP] | | 356 | Ron Dale | | 2nd |
| 12.4.1964 | SCCA Regional Vaca Valley [CM+DM+EM+FM+GM] | | 718 RS 61 | Eldon Beagle | | 3rd |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 12 | 356 Super | Bill Remig | | DNA |
| 19.4.1964 | National Open Phoenix | 14 | 718 RS 60 | Dave Jordan | Vasek Polak | 5th |
| 19.4.1964 | SCCA National Virginia [CM+DM+EM+FM+GM] | 14 | 550 RS | John Dennis | | DNA |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 14 | 356 A | Peter Hutchinson | | DNF |
| 19.4.1964 | National Open Phoenix | 19 | 550 RS | Clyde Freeman | | 18th |
| 19.4.1964 | MWCSCC Lynndale Farms [HM+EP] | 27? | 356 | Don McIntosh | Don McIntosh | 1st |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 27 | 356 | Tom Stamp | | DNA |
| 19.4.1964 | Le Mans Test | 29 | 904 GTS | Robert Buchet | Auguste Veuillet | 11th |
| 19.4.1964 | Le Mans Test | 33 | 904 GTS | Müller / Knörr / Sage | Scuderia Filipinetti | 14th |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 34 | 356 Carrera | John Kelly | | 3rd |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 42 | | Bob Bailey | | DNA |
| 19.4.1964 | Le Mans Test | 62 | 904 GTS | Guy Ligier | Racing Team Holland | 17th |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 66 | 356 Speedster | Warren Matzen | | DNA |
| 19.4.1964 | Le Mans Test | 70 | 904 GTS | André de Cortanze | Jean-Claude Mosnier | 24th |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 75 | 356 | Bob Mouat | | 10th |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 76 | | Richard Mandelson | | DNA |
| 19.4.1964 | SCCA National Virginia [CP+DP+EP+FP] | 77 | 356 Carrera | Bruce Jennings | | 2nd |
| 19.4.1964 | Imola [GT2.5] | | 356 | Alessandro Marcon | | 5th |