| 28.9.1958 | USAC Watkins Glen | 11 | 250F | Jo Bonnier | Joakim Bonnier | 1st |
| 28.9.1958 | USAC Watkins Glen | 12 | 200S I | Bob Kuhn | Lieutenant Colonel Robert Kuhn | 5th |
| 28.9.1958 | USAC Watkins Glen | 112 | 300S | Lloyd Ruby | | DNF |
| 28.9.1958 | USAC Watkins Glen | | 8CTF | Edward Lawrence | | DNA |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 7 | V8RI | Phil Cade | | 5th |
| 5.10.1958 | SCCA National Virginia [BM+CM+DM+EM+FM+GM] | 9 | 450S | John Haas | Don Perkins | DNF |
| 5.10.1958 | Innsbruck [GT+1.6/S1.1] | 64 | A6G | Vincenzo Antolini Ossi | Scuderia Ambrosiana | 9th |
| 5.10.1958 | Innsbruck [S+1.1] | 95 | 200S I | Adolfo Tedeschi | Adolfo Tedeschi | DNA |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 138 | | John Fox | | 10th |
| 5.10.1958 | SCCA National Virginia [BM+CM+DM+EM+FM+GM] | 177 | | Gene Parsons | | 7th |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | | 450S | Stirling Moss | Temple Buell | DNA |
| 11.10.1958 | Preliminary Venice [CM+DM+EM+FM+BP+CP+DP] | 39 | 200S I | David Lane | | raced |
| 11.10.1958 | Preliminary Venice [CM+DM+EM+FM+BP+CP+DP] | 93 | 200S I | George Koehne | | 2nd |
| 11.10.1958 | LCCC Oulton Park [Sports] | 101 | A6GCS | John Barnett | John Barnett, Jr. | DNA |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 119 | A6GCS/53 | Jim Berry | Jim Berry | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 119 | A6GCS/53 | Jim Berry | Jim Berry | DNS |
| 12.10.1958 | SCCA Regional Wilmot [BM+CM+DM+EM+FM+GM] | 5 | | Jay Middleton | | 6th |
| 12.10.1958 | USAC Riverside | 8 | 150S | Dusty Miller | Dusty Miller | DNQ |
| 12.10.1958 | 6 h Venice | 39 | 200S I | David Lane | | ?th |
| 12.10.1958 | USAC Riverside | 78 | 450S | Carroll Shelby | Temple Buell | DNF |
| 12.10.1958 | USAC Riverside | 98 | 450S | Jim Rathmann | John Edgar | DNS |
| 13.10.1958 | Eagle Mountain | 45 | 450S | J. E. Rose | | 1st |
| 13.10.1958 | Eagle Mountain | | 150S | Paul Younger | | DNF |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 7 | V8RI | Phil Cade | | 11th |
| 18.10.1958 | SCCA Regional Lime Rock [FM+GM] | 131 | 150S | E. F. Spicer | | 1st |
| 19.10.1958 | SCCA Regional Lime Rock [Main] | 131 | 150S | E. F. Spicer | | DNF |
| 25.10.1958 | Preliminary Dothan [Modified+AP+BP+CP+DP+EP] | 26 | 450S | Walt Cline | Frank Harrison | 2nd |
| 25.10.1958 | Preliminary Minden [BM+CM+DM+EM] | | 200S I | Chuck Howard | | ?th |
| 26.10.1958 | Vineland [Main] | 7 | A6GCS | Ben Diaz | | raced |
| 26.10.1958 | SCCA Regional Dothan [Main] | 26 | 450S | Walt Cline | Frank Harrison | DNF |
| 26.10.1958 | SCCA Regional Dothan [Main] | 75 | | Lewis / Ward | Logan Lewis | DNA |
| 26.10.1958 | Minden [BM+CM+DM+EM] | 138 | 200S I | Chuck Howard | | 3rd |
| 26.10.1958 | Modena [Sports] | 202 | 200S | Odoardo Govoni | | 1st |
| 26.10.1958 | Modena [Sports] | 204 | 200S I | Nando Pagliarini | | 3rd |
| 26.10.1958 | SCCA Regional Dothan [Main] | | | | | raced |
| 2.11.1958 | Palm Springs [Exhibition] | 20 | | George Harm | George Harm | DNA |
| 2.11.1958 | Oklahoma Petite GP | 21 | 250S | Bob Aylward | | 5th |
| 2.11.1958 | SCCA Regional Oklahoma [Modified +2.0] | 21 | 250S | Bob Aylward | | 3rd |
| 2.11.1958 | SCCA Regional Oklahoma [Modified +2.0] | 88 | 250S I | Alan Connell | | 4th |
| 2.11.1958 | Oklahoma Petite GP | 88 | 250S I | Alan Connell | | 6th |
| 2.11.1958 | Palm Springs [Exhibition] | 98 | 450S | Carroll Shelby | Temple Buell | 1st |
| 2.11.1958 | Oklahoma Petite GP | | 200S I | Jack Hinkle | | 2nd |
| 2.11.1958 | SCCA Regional Oklahoma [Modified 2.0] | | 200S I | Jack Hinkle | | 1st |
| 16.11.1958 | Preliminary Marlboro [BM+CM+EM+FM+GM] | 23 | | H. Mark | | DNF |
| 16.11.1958 | SCCA Regional Marlboro [BM+EM+FM+GM+BP+CP+DP] | 23 | | Gene Parsons | | 10th |
| 22.11.1958 | 6 h Pomona | | | DeMuniz / Dixon | | DNF |
| 23.11.1958 | Pomona [Ladies+Sedan] | | | Dixon | | 3rd |
| 23.11.1958 | Pomona [BM+CM+DM+EM] | | | DeMuniz | | 6th |
| 30.11.1958 | Hammond [Main] | 45 | 450S | J. E. Rose | | 1st |
| 30.11.1958 | Phoenix [Main] | | 200S I | Hap Sharp | | 5th |
| 30.11.1958 | Phoenix [Main] | | 200S I | Jack Hinkle | | 6th |
| 30.11.1958 | Phoenix [BM+CM+DM+EM+FM+GM] | | 250S | Jack Hinkle | | 4th |
| 5.12.1958 | Governor's Trophy | 7 | 450S | Ed Crawford | Don Perkins | 3rd |
| 5.12.1958 | Preliminary Governor's Trophy [S+2.0] | 7 | 450S | Ed Crawford | Don Perkins | 4th |
| 5.12.1958 | Preliminary Governor's Trophy [S2.0] | 23 | 200S | Ulf Norinder | | 2nd |
| 5.12.1958 | Governor's Trophy | 23 | 200S | Ulf Norinder | | 8th |
| 5.12.1958 | Governor's Trophy | 26 | 250S I | Alan Connell | | 7th |
| 5.12.1958 | Preliminary Governor's Trophy [S+2.0] | 26 | 250S I | Alan Connell | | 6th |
| 5.12.1958 | Governor's Trophy | 68 | 450S | Jim Rathmann | John Edgar | DNS |
| 5.12.1958 | Preliminary Governor's Trophy [S+2.0] | 68 | 450S | Jim Rathmann | John Edgar | ?th |
| 5.12.1958 | Governor's Trophy | 98 | 450S | Carroll Shelby | John Edgar/Temple Buell | DNS |
| 5.12.1958 | Preliminary Governor's Trophy [S+2.0] | 98 | 450S | Carroll Shelby | John Edgar/Temple Buell | DNS |
| 7.12.1958 | Nassau Trophy | 6 | 300S | Jo Bonnier | | DNA |
| 7.12.1958 | Nassau Trophy | 7 | 450S | Ed Crawford | Don Perkins | 4th |
| 7.12.1958 | Nassau Memorial Trophy | 7 | 450S | Ed Crawford | Don Perkins | 2nd |
| 7.12.1958 | Nassau Trophy | 11 | 200S I | Bob Kuhn | | DNA |
| 7.12.1958 | Nassau Memorial Trophy | 23 | 200S | Ulf Norinder | | ?th |
| 7.12.1958 | Nassau Trophy | 23 | 200S | Ulf Norinder | | DNF |
| 7.12.1958 | Nassau Trophy | 26 | 250S I | Alan Connell | | DNF |
| 7.12.1958 | Nassau Trophy | 44 | | Antonio Pompeo | | DNA |
| 7.12.1958 | Nassau Trophy | 45 | 450S | J. E. Rose | | DNA |
| 7.12.1958 | Nassau Trophy | 68 | 450S | Jim Rathmann | John Edgar | DNF |
| 7.12.1958 | Nassau Trophy | 98 | 450S | Carroll Shelby | John Edgar/Temple Buell | DNF |
| 7.12.1958 | Nassau Trophy | 146 | 300S | Lloyd Ruby | | DNA |