| 8.2.1958 | Preliminary Pomona [Modified 1.0] | 5 | | Starbuck / Higman | James Starbuck | DNA |
| 8.2.1958 | Preliminary Pomona [Modified 1.0] | 15 | | Lee Bernhardt | Lee Bernhardt | DNF |
| 8.2.1958 | Preliminary Pomona [Modified 1.0] | 225 | | Robert Snow | Robert Snow | DNA |
| 8.2.1958 | Preliminary Pomona [Modified 1.0] | 260 | | Rico Verrecchia | Rico Verrecchia | 3rd |
| 9.2.1958 | Pomona [S1.5] | 5 | | Starbuck / Higman | James Starbuck | DNA |
| 9.2.1958 | Pomona [S1.5] | 15 | | Lee Bernhardt | Lee Bernhardt | DNQ |
| 9.2.1958 | Consolation Pomona [Modified] | 15 | | Lee Bernhardt | Lee Bernhardt | 14th |
| 9.2.1958 | Pomona [S1.5] | 225 | | Robert Snow | Robert Snow | DNA |
| 9.2.1958 | Pomona [S1.5] | 260 | | Rico Verrecchia | Rico Verrecchia | 12th |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 25 | | Fred Gamble | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 25 | | Fred Gamble | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 50 | | Gene Beach | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 50 | | Gene Beach | | DNA |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 28 | | Charles Gounis | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 28 | | Charles Gounis | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 28 | | Charles Gounis | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 32 | | Robert Holbrook | | 13th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 32 | | Robert Holbrook | | 15th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 32 | | Robert Holbrook | | 23rd |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 50 | | Gene Beach | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [FP+GP+HP+KP+HM] | 50 | | Gene Beach | | raced |
| 23.3.1958 | Preliminary Stockton [Novice Sports] | 145 | | Robin Cooke | | 18th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 28 | | Charles Gounis | Charles Gounis | 18th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 260 | | Victor Verrecchia | Rico Verrecchia | DNF |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 36 | | Bill Speed | | DNF |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 38 | | Joe Daniels | | 17th |
| 10.5.1958 | 4 h Relay Harewood Acres | 20A | | Walter Sayers | The Hasas | DNF |
| 10.5.1958 | Novice Tracy [Modified] | 145 | | Robin Cooke | Robin Cooke | DNA |
| 11.5.1958 | Hawaii [Match] | 17 | | Don Miller | Don Miller | DNA |
| 11.5.1958 | Hawaii [S1.6] | 17 | | Don Miller | Don Miller | DNF |
| 11.5.1958 | SCCA Regional Tracy [FM+GM+HM] | 21 | | Marshall Swope | John D. Miller | DNA |
| 18.5.1958 | LISCA Lime Rock [GM+HM+EP] | | | | | raced |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 15 | | Lee Bernhardt | Lee Bernhardt | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 28 | | Morry Stillwell | Mory Stillwell | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 32 | | Robert Holbrook | R. K. 'Bob' Holbrook | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 45 | | Robin Cooke | Robin Cooke | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 56 | | Charles Gounis | Charles Gounis | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 87 | | Leon Dufresno | Francis Leukel | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 137 | | Willie Freeman | Arch Higman | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 207 | | Don Miller | Don Miller | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 225 | | Byron Quivey | Robert B. Snow | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 15 | | Lee Bernhardt | Lee Bernhardt | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 28 | | Morry Stillwell | Mory Stillwell | DNF |
| 1.6.1958 | Consolation Santa Barbara [Modified] | 32 | | Robert Holbrook | R. K. 'Bob' Holbrook | ?th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 32 | | Robert Holbrook | R. K. 'Bob' Holbrook | 20th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 45 | | Robin Cooke | Robin Cooke | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 56 | | Charles Gounis | Charles Gounis | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 87 | | Leon Dufresno | Francis Leukel | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 137 | | Willie Freeman | Arch Higman | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 207 | | Don Miller | Don Miller | 17th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 225 | | Robert Snow | Robert B. Snow | DNF |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 106 | | | | raced |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 35A | | Bill Speed | | 8th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 40 | | Don Blodgett | | DNA |
| 14.6.1958 | SCCA National Lime Rock [GP+HP+HM] | 37 | | Bill Speed | | 12th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 16 | | Carl Crowell | Carl Crowel | 34th |
| 5.7.1958 | SCCA National Lime Rock [GP+HP+HM] | 3 | | Bill Speed | | 14th |
| 5.7.1958 | Novice Vaca Valley [Modified] | 145 | | Robin Cooke | Robin Cooke | DNA |
| 20.7.1958 | SCCA Regional Thompson [GM+HM+HP] | 3 | | Bill Speed | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 54 | | Harry Eyerly | | DNA |
| 3.8.1958 | SCCA Regional Minden [FM+GM+HM] | 145 | | Robin Cooke | Robin Cooke | 9th |
| 16.8.1958 | Harewood Acres [Le Mans] | 28 | | Lincoln Kinsman | Lincoln Kinsman | DNA |
| 16.8.1958 | Harewood Acres [SR] | 28 | | Lincoln Kinsman | Lincoln Kinsman | DNA |
| 16.8.1958 | Harewood Acres [SR] | 36 | | Ron Evans | Ronald W. Evans | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 36 | | Ron Evans | Ronald W. Evans | DNA |
| 31.8.1958 | Preliminary Thompson [GP+HP+HM] | 333 | | Bill Speed | | 9th |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 333 | | Bill Speed | | 15th |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 15 | | Larry Toppel | | DNA |
| 21.9.1958 | Del Mar [Modified] | | | John Brophy | | DNA |
| 5.10.1958 | SCCA Regional Thompson [GM+HM] | 3 | | Bill Speed | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [GM+HM+GP+HP] | 21 | | Fraser Sibbald | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [GM+HM+GP+HP] | 145 | | Robin Cooke | | DNF |
| 12.10.1958 | Riverside [GM+HM+GP+HP] | 37 | | Walter Manzke | Walter Manzke | 14th |
| 12.10.1958 | 6 h Venice | | | Gene Beach | | ?th |
| 19.10.1958 | SCCA Regional Lime Rock [GP+HP+HM] | 36 | | Don Blodgett | | 9th |
| 1.11.1958 | Preliminary Palm Springs [CM+DM+EM+FM+GM+HM] | 120 | | Lou Fageol | Lou Fageol | DNA |
| 2.11.1958 | SCCA National Palm Springs [CM+DM+EM+FM+GM+HM] | 120 | | Lou Fageol | Lou Fageol | DNA |
| 2.11.1958 | SCCA National Palm Springs [EP+FP+GP+HP] | 120 | | Lou Fageol | Lou Fageol | DNA |
| 22.11.1958 | 6 h Pomona | | | Manzke / Bernhardt | | DNF |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | | | Snow | | DNF |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | | | Charles Gounis | | DNF |