| 5.1.1964 | SCCA Regional Marlboro [EP] | | | Bruce Jennings | | 2nd |
| 5.1.1964 | SCCA Regional Marlboro [EP] | | | Warren Matzen | | 3rd |
| 5.1.1964 | Preliminary Marlboro [EP] | | | Stu Allwoerden | | 1st |
| 5.1.1964 | SCCA Regional Marlboro [EP] | | | Stu Allwoerden | | 1st |
| 5.1.1964 | Preliminary Marlboro [EP] | | | Bruce Jennings | | 2nd |
| 5.1.1964 | Preliminary Marlboro [EP] | | | Warren Matzen | | 3rd |
| 5.1.1964 | Preliminary Marlboro [AP+BP+CP+DP] | | | Bruce Jennings | | 3rd |
| 5.1.1964 | SCCA Regional Marlboro [AP+BP+CP+DP] | | | Bruce Jennings | | 3rd |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 1 | | Terry Hall | Terry Hall | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 17 | | Paul Hrbacek | Scientific Automotive | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 22 | | Alan Johnson | Alan Jahnson | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 43 | | Ron Dale | Ronald Dale | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 59 | | Robert Sheldon | Robert Sheldon | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 68 | | Charles Kulmann | Charles Kulmann | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 89 | | Walt Maas | Walt Maas | 1st |
| 2.2.1964 | SCCA Divisional Riverside [AP+BP+CP] | 99 | | Ted Gildred | Coast Pacific Racing Team | DNA |
| 2.2.1964 | SCCA Divisional Riverside [AP+BP+CP] | 118 | | Terry Hogan | Terry Hogan | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 144 | | Hamilton Kelly | Hamilton Kelly | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 155 | | Peter Talbot | Peter Talbot | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 158 | | Fred Keyser | Lt. Fred Keyser | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 165 | | Stefan Rzesnowiecky | Stefan Rzesnowiecky | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 191 | | Art Garrison | Art Garrison | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 197 | | James Laschiver | Jim Laschiver | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 237 | | Walter Benson | Walt Benson | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 241 | | Mike Dyott | Mike Dyott | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 248 | | Don Dickey | Donald Dicky | DNA |
| 2.2.1964 | SCCA Divisional Riverside [EP] | 272 | | Stuart Watson | Stu Watson | DNA |
| 15.2.1964 | 250 mile Daytona | 73 | | Newt Black | | DNF |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 1 | | Terry Hall | | DNA |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 8 | | Alois Jobst | | DNA |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 20 | | Robert Kirby | | DNA |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 22 | | Alan Johnson | Roger Bursch | 1st |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 32 | | Lynn Stevens | | DNA |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 41 | | Nate Bishop | | DNA |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 49 | | Dennis Harrison | | 2nd |
| 16.2.1964 | 2000 km Daytona | 50 | | Cassel / Pabst | Chuck Cassel | DNF |
| 16.2.1964 | 2000 km Daytona | 51 | #122 991 | Bonnier / Wester / Barth | Porsche System Engineering | 8th |
| 16.2.1964 | 2000 km Daytona | 52 | #122 992 | Barth / Linge / Bonnier | Porsche System Engineering | 6th |
| 16.2.1964 | 2000 km Daytona | 54 | | Merino / Torruellas | Porsche Car Imports | DNF |
| 16.2.1964 | 2000 km Daytona | 62 | | Coleman / Cutler | E. Linley Coleman | DNF |
| 16.2.1964 | 2000 km Daytona | 71 | | Streeter / Kurkjian | Mike Kurkjian | 13th |
| 16.2.1964 | 2000 km Daytona | 72 | | Ryan / Bencker | Jack Ryan | 14th |
| 16.2.1964 | 2000 km Daytona | 73 | | Black / Zitza | Newt Black | DNF |
| 16.2.1964 | 2000 km Daytona | 74 | | Stevenson / Howell | Kenneth Stevenson | 19th |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 91 | | Bill Obenour | | DNA |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 171 | | Dale Hersh | | DNA |
| 16.2.1964 | SCCA Divisional Phoenix [EP+FP] | 191 | | Tino Munoz | | DNA |
| 23.2.1964 | SCCA Regional Del Mar [BP+CP+DP+EP] | | | Dennis Harrison | | 2nd |
| 23.2.1964 | SCCA Regional Del Mar [EP] | | | Dennis Harrison | | 1st |
| 23.2.1964 | SCCA Regional Del Mar [EP] | | | Charles Kulmann | | 3rd |
| 23.2.1964 | SCCA Regional Del Mar [EP] | | | Terry Hall | | 2nd |
| 29.2.1964 | SA SCC Kyalami RAT | 66 | | Dawie Gous | D. S. Gous | DNA |
| 29.2.1964 | SA SCC Kyalami RAT | 80 | | Henry Webster | F. Radel | DNA |
| 29.2.1964 | SA SCC Kyalami RAT | 81 | | Roderick Struben | R. Struben | DNA |
| 1.3.1964 | USRRC-GT Augusta | 50 | | Chuck Cassel | | 5th |
| 1.3.1964 | USRRC-GT Augusta | 51 | | Ted Tidwell | | 9th |
| 1.3.1964 | USRRC-GT Augusta | 72 | | Jack Ryan | | 7th |
| 1.3.1964 | USRRC-GT Augusta | 79 | | Bruce Jennings | | 4th |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 1 | | Terry Hall | Terry Hall | 3rd |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 22 | | Michael Roberts | Michael Roberts | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 34 | | Jim Heltsey | Pacific Beach Sports & Imports | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 68 | | Charles Kulmann | Charles Kulman | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 71 | | Dale Hersh | Dale Hersh | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 72 | | Stuart Watson | Team Gordo | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [AP+BP+CP+DP] | 101 | | Ted Gildred | Costa Pacifica Racing Team | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 133 | | Jack Brink | Jack L. Brink | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 174 | | John Buntrock | John Buntrock | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 191 | | Art Garrison | V & L Foreign Car Service | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 197 | | James Laschiver | Jim Lashvier | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 241 | | Mike Dyott | Mike Dyott | DNA |
| 8.3.1964 | SCCA Regional Willow Springs [EP+FP] | 664 | | Jim Taylor | James Taylor | DNA |
| 15.3.1964 | SCCA Divisional Seguin [EP+HM] | | | Bob Conners | | ?th |
| 21.3.1964 | 12 h Sebring | 42 | #122 991 | Wester / Jennings | Porsche System Engineering | 19th |
| 21.3.1964 | 12 h Sebring | 43 | #122 992 | Pon / Buzzetta | Porsche System Engineering | 11th |
| 21.3.1964 | 12 h Sebring | 44 | | Merino / Torruellas | Porsche Car Import | DNF |
| 21.3.1964 | 12 h Sebring | 45 | | Cassel / Sesslar | Carl W. Lindell | 12th |
| 21.3.1964 | 12 h Sebring | 52 | | Bentley / Witmer | Kenneth Chambliss | DNF |
| 28.3.1964 | Roy Hesketh [S+GT] | | | Peter Engelbrecht | | ?th |
| 28.3.1964 | BRSCC Rufforth [GT2.5] | | | Gordon Durham | G. Durham | 3rd |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 701 | | A. van Caneghem | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 703 | | Callier | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 705 | | Michel Massin | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 707 | | Jean-Pierre Gaban | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT1.6] | 708 | | Jacques Thenaers | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 802 | | Thenaers | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 806 | | Carlos | | DNA |
| 30.3.1964 | Coupe de Belgique [SP/GT+1.6] | 814 | | Kernevi | | DNA |
| 5.4.1964 | SCCA Divisional Tucson [EP+FP] | | | Dennis Harrison | | 1st |
| 5.4.1964 | SCCA Divisional Tucson [EP+FP] | | | Terry Hall | | 2nd |
| 5.4.1964 | SCCA Divisional Tucson [EP+FP] | | | Alan Johnson | | raced |
| 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 | 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 | 6 h Dakar | - | | Cognet | | 1st |
| 1964 | SCCA Regional Osceola [DP+EP+HM] | | | David McClain | | 1st |
| 1964 | SCCA Regional Osceola [DP+EP+HM] | | | Harro Zitza | | 3rd |
| 1964 | Corpus Christi [EP+FP+FJr.] | | | Vernon Shade | | 5th |
| 1964 | SCCA Regional Osceola [DP+EP+HM] | | | Jef Stevens | Castle Racing | 2nd |