| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 2 | TR3 | Don Burrows | | DNF |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 51 | TR2 | Mogens Skov | | 21st |
| 15.6.1958 | SCCA National Lime Rock [DP+EP] | 53 | TR3 | Peter Atkinson | | 12th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 58 | TR3 | Bud Morris | | 20th |
| 15.6.1958 | SCCA National Lime Rock [DP+EP] | 59 | TR3 | Harold Hurtley | | 4th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 112 | TR3 | Bob Cole | | 8th |
| 15.6.1958 | SCCA National Lime Rock [DP+EP] | 151 | TR3 | Charles Heindl | | DNF |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 171 | TR3 | Richard Anderson | | 24th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 174 | TR3 | Al Freudenberg | | 23rd |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 184 | TR3 | Rod Carveth | | DNF |
| 15.6.1958 | Preliminary Laguna Seca [Production II] | 184 | TR3 | Rod Carveth | | 10th |
| 15.6.1958 | SCCA Regional Laguna Seca [BP+CP+DP+EP] | 192 | TR3 | William Phelon | | 27th |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | TR2 | Damagnez | | 13th |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | TR3 | Pecquer | | 9th |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | TR3 | Legrand | | 12th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 7 | Special | George Chapman | Ed H. Paterson | 24th |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 12 | TR3 | Owen Coon | | 17th |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 43 | TR3 | James G. Willner, Jr. | James G. Willner, Jr. | DNA |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 63 | TR3 | John Tidswell | | 16th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 63 | TR3 | John Tidswell | John H. Tidswell | DNA |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 69 | TR3 | Don Marando | Don Marando | 20th |
| 22.6.1958 | SCCA National Road America [CP+DP+EP] | 88 | TR3 | Donald Lightner | | 19th |
| 26.6.1958 | Preliminary Watkins Glen [Ladies] | 55 | TR3 | Barbara Samm | Robert Samm | 4th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 9 | | Fred Hayes | | 9th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 32 | | Ted Fiedler | Theodore Fiedler | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 37 | | Fred Quartullo | Fred Quartullo, Jr. | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 55 | TR3 | Robert Samm | Robert Samm | 8th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 58 | | Richard Day | Burchard R. Day | 13th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 68 | TR3 | Richard Cosgrove | Richard Cosgrove | 5th |
| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 75 | Special | Norman Bradley | | 13th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 151 | | Charles Heindl | Charles Heindl | DNA |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 165 | TR3 | David Adams | David L. Adams | 11th |
| 28.6.1958 | Preliminary Riverside [Modified +1.5] | 149 | TR2 | Bob Bondurant | Nick Pastor | DNF |
| 28.6.1958 | Preliminary Riverside [Ladies] | 149 | TR2 | Jackie Bondurant | Nick Pastor | DNS |
| 28.6.1958 | Preliminary Riverside [Novice] | 158 | TR2 | Cliff Haworth | | ?th |
| 29.6.1958 | ECMC Snetterton [TR] | 2 | TR | | | raced |
| 29.6.1958 | ECMC Snetterton [TR] | 5 | TR | | | raced |
| 29.6.1958 | ECMC Snetterton [TR] | 6 | TR | | | raced |
| 29.6.1958 | ECMC Snetterton [TR] | 14 | TR | | | raced |
| 29.6.1958 | WJC Charterhall [S+1.5] | 33 | TR3 | David Bertram | D. Bertram | raced |
| 29.6.1958 | WJC Charterhall [S+1.5] | 34 | TR2 | R. A. Christopher | R. A. Christopher | raced |
| 29.6.1958 | Riverside [BM+CM+DM+EM] | 149 | TR2 | Bob Bondurant | Nick Pastor | 8th |
| 29.6.1958 | Riverside [BM+CM+DM+EM] | 158 | TR2 | Duncan / Haworth | | 10th |
| 29.6.1958 | Riverside [Ladies] | 158 | TR2 | Ruth Doushkess | | raced |
| 29.6.1958 | St. Eugene [S+1.6] | | TR3 | Jim Duncan | | ?th |
| 29.6.1958 | St. Eugene [S+1.6] | | TR3 | Ray Liddle | | ?th |
| 29.6.1958 | St. Eugene [S+1.6] | | TR2 | Bill McDonald | | ?th |
| 29.6.1958 | ECMC Snetterton [TR] | | TR | J. Beard | | 4th |
| 29.6.1958 | ECMC Snetterton [TR] | | TR2 | T. W. Burn | T. W. Burn | DNF |
| 29.6.1958 | ECMC Snetterton [TR] | | TR3 | H. C. Walldorff | | DNF |
| 29.6.1958 | ECMC Snetterton [TR] | | TR2 | Roy North | | 1st |
| 29.6.1958 | ECMC Snetterton [TR] | | TR3 | L. J. Coe | | 2nd |
| 29.6.1958 | ECMC Snetterton [TR] | | TR3 | Sid Hurrell | | 3rd |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 2 | TR3 | Don Burrows | Don Burrows | DNA |
| 5.7.1958 | LASC Green Acres [Trophy] | 4 | TR3 | Jim Duncan | Jim Duncan | 4th |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 4 | TR3 | Jim Duncan | Jim Duncan | 1st |
| 5.7.1958 | LASC Green Acres [Century Class] | 4 | TR3 | Jim Duncan | Jim Duncan | 5th |
| 5.7.1958 | LASC Green Acres [S2.7] | 4 | TR3 | Jim Duncan | Jim Duncan | 3rd |
| 5.7.1958 | LASC Green Acres [S+2.6] | 13 | TR3 | Reg Hillary | Reginald Hillary | 14th |
| 5.7.1958 | LASC Green Acres [Century Class] | 13 | TR3 | Reg Hillary | Reginald Hillary | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 13 | TR3 | Reg Hillary | Reginald Hillary | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 19 | TR3 | Richard Wolf | Richard Wolf | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 19 | TR3 | Richard Wolf | Richard Wolf | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 19 | TR3 | Richard Wolf | Richard Wolf | DNA |
| 5.7.1958 | LASC Green Acres [Trophy] | 22 | TR3 | Harold Lazier | Harold Lazier | 13th |
| 5.7.1958 | LASC Green Acres [Century Class] | 22 | TR3 | Harold Lazier | Harold Lazier | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 22 | TR3 | Harold Lazier | Harold Lazier | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 33 | TR3 | John Reif | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 33 | TR3 | John Reif | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | SCCA National Lime Rock [EP] | 37 | TR3 | Fred Quartullo | | 6th |
| 5.7.1958 | LASC Green Acres [Century Class] | 54 | TR3 | Alan Robson | Alan Robson | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 59 | TR3 | Butch Owsley | Butch Owsley | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 65 | TR3 | Ray Liddle | | 2nd |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 71 | TR3 | Dwight Case | Dwight Case | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 77 | TR3 | Bob Gallagher | Robert Gallagher | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 77 | TR3 | Bob Gallagher | Robert Gallagher | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 87 | TR3 | Bill Higgins | | 5th |
| 5.7.1958 | LASC Green Acres [Trophy] | 89 | TR3 | John Bowles | | 8th |
| 5.7.1958 | LASC Green Acres [S2.7] | 89 | TR3 | John Bowles | | 6th |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 112 | TR3 | Frank Crane | Frank Crane | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 121 | TR3 | Scott Zarbaugh | Scott Zarbaugh | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 143 | TR3 | Vi Jones | Vincent Jones | DNA |
| 5.7.1958 | Novice Vaca Valley [Modified] | 152 | TR2 | Dan Girard | Dan Girard | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 154 | TR3 | Rod Carveth | Rod Carveth | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 162 | TR3 | Arthur Olinger | C. J. Felt, Jr. | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 174 | TR3 | Al Freudenberg | Al Freudenberg | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 192 | TR3 | William Phelon | William Phelon | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 192 | TR3 | William Phelon | William Phelon | DNA |
| 5.7.1958 | Novice Hammond [S+1.6] | | TR3 | M. Johnstone | | 2nd |
| 5.7.1958 | SCCA National Lime Rock [EP] | | TR3 | Harold Hurtley | | DNS |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 4 | TR3 | David Bertram | D. M. Bertram | 3rd |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 104 | TR3 | Earl Grafton | Earl Grafton | 16th |
| 6.7.1958 | SCCA Regional Vaca Valley [CM+DM+EM] | 111 | TR3 | Bob Cole | Rusty Hyde | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 112 | TR3 | Bob Cole | | 9th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 174 | TR3 | Al Freudenberg | Al Freudenberg | 14th |
| 6.7.1958 | Hawaii [Novice] | | TR3 | Norman Dellaport | | 2nd |
| 6.7.1958 | Hammond [DP+EP+FP] | | TR3 | M. Johnstone | | 3rd |
| 6.7.1958 | Hawaii [S+1.6 Heat 2] | | TR3 | Norman Dellaport | | 3rd |
| 6.7.1958 | Hawaii [Main] | | TR3 | Norman Dellaport | | 8th |
| 6.7.1958 | Hawaii [Main] | | TR3 | Walter Vail | | 7th |