| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 13 | | Manny Glazer | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 22 | | Cliff Phillips | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 82 | | Gary Stephenson | | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 0 | | Morrow Decker | Cdr. S. M. Decker, Jr. | 8th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 23 | | J. Albert Schaefer | Dr. J. Albert Schaefer | 18th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 32 | | Donald Baker | Donald J. Baker | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 50 | | John Curran | Dr. John P. Curran | 3rd |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 57 | | Dick Nash | David L. Herson | 6th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 70 | | Bruce Jennings | Bruce R. Jennings | 7th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 71 | | Harry Blanchard | Harry C. Blanchard | 1st |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 89 | | Don Wolf | Donald E. Wolf | 2nd |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 110 | | Frank Wagenhofer | Frank Wagenhofer | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 137 | | Antonio Valdes-Dapena | | 14th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 166 | | Ed Hoyos | | 15th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 171 | | Bill Strand | William R. Strand | 19th |
| 21.9.1958 | Avus [GT1.6] | 51 | | Hans Walter | Hans-Joachim Walter | raced |
| 21.9.1958 | Avus [GT1.6] | 52 | #55818 | Gert Kaiser | Gert Kaiser | 2nd |
| 21.9.1958 | Avus [GT1.6] | 53 | | Hans Harzheim | Hans Harzheim | DNA |
| 21.9.1958 | Avus [GT1.6] | 54 | | Helmut Deutenberg | Helmut Deutenberg | 5th |
| 21.9.1958 | Avus [GT1.6] | 55 | | Fritz Hahnl, Jr. | Fritz Hahnl jr. | 3rd |
| 21.9.1958 | Avus [GT1.6] | 56 | | Heinrich Hülbüsch | Heinrich Hülbüsch | DNA |
| 21.9.1958 | Avus [GT1.6] | 57 | | Richard Trenkel | Richard Trenkel | 7th |
| 21.9.1958 | Avus [GT1.6] | 58 | | Leo Levine | | 4th |
| 21.9.1958 | Avus [GT1.6] | 59 | #100913 or 12303 | Huschke von Hanstein | | 1st |
| 21.9.1958 | Avus [GT1.6] | 61 | | Ewald Bandmann | Ewald Bandmann | 9th |
| 21.9.1958 | Avus [GT1.6] | 62 | | Wilfried Junge | Wilfried Junge | DNA |
| 21.9.1958 | Tour de France | 140 | | Behra / Lewis-Evans | | 6th |
| 21.9.1958 | Tour de France | 141 | | Marx / Burggraff | | DNF |
| 21.9.1958 | Tour de France | 145 | | Ferrier / Paolozzi | | 12th |
| 21.9.1958 | Tour de France | 151 | | Blanchoud / Wagner | | DNF |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 162 | | John Wright | | ?th |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 186 | | D. Hogan | | 1st |
| 21.9.1958 | LISCA Lime Rock [FP+GP] | 224 | | A. Betterini | | ?th |
| 21.9.1958 | Del Mar [FP+GP+HP] | | | D. Kluck | | 2nd |
| 21.9.1958 | Del Mar [FP+GP+HP] | | | Ronnie Bucknum | | 1st |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | | Jimmy Moore | | 2nd |
| 21.9.1958 | Tour de France | | | Dutoit / Morel | | 10th |
| 21.9.1958 | Tour de France | | | Souchou / Bléhaut | | DNF |
| 21.9.1958 | SCCA Regional Galveston [BP+CP+DP+EP+FP+GP] | | | Rusty Wright | | ?th |
| 21.9.1958 | Tour de France | | | Gentilini / Maurin | | raced |
| 21.9.1958 | Del Mar [Novice] | | | Pat Keenan | | 3rd |
| 21.9.1958 | Preliminary Galveston [EP+FP+GP] | | | Rusty Wright | | 2nd |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | | D. D. Michelmore | | 3rd |
| 21.9.1958 | Preliminary Galveston [EP+FP+GP] | | | Emory Cantey | | ?th |
| 21.9.1958 | Preliminary Galveston [EP+FP+GP] | | | Eddie Cordano | | ?th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 12 | | Bob Yeakel | | DNF |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 17 | | Jim Cleland | | 10th |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 17 | | Jim Cleland | | 6th |
| 28.9.1958 | WJC Charterhall [GT] | 39 | | Jim Clark | Border Reivers | ?th |
| 28.9.1958 | WJC Charterhall [S+1.5] | 39 | | Ian Scott Watson | Border Reivers | DNA |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 47 | | Hal Rudow | | 8th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 57 | | Jim Mitchell | | 9th |
| 28.9.1958 | WJC Charterhall [GT] | 58 | | Gordon Durham | G. Durham | 3rd |
| 28.9.1958 | WJC Charterhall [GT] | 60 | | C. W. Lawson | C. W. Lawson | DNA |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 104 | | Ted Chittenden | | 14th |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 104 | | Ted Chittenden | | 11th |
| 28.9.1958 | ICNSCC Ellensburg [FP+GP+HP+IP] | 170 | | John Sparrow | | 4th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 172 | | Jerry Matthews | | 11th |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 522 | | Dave Tatom | | DNF |
| 28.9.1958 | Hourglass Field [Ladies+FIII] | | | Sunnie Baker | | ?th |
| 28.9.1958 | Hourglass Field [DP+EP] | | | Richard Bellows | | 3rd |
| 28.9.1958 | Hourglass Field [BM+CM+DM+EM] | | | D. D. Michelmore | | 8th |
| 28.9.1958 | Hourglass Field [FP+GP+HP] | | | William Blatz | | raced |
| 28.9.1958 | Hourglass Field [FM+GM+HM] | | | Ronnie Bucknum | | ?th |
| 28.9.1958 | Hourglass Field [DP+EP] | | | D. D. Michelmore | | 2nd |
| 28.9.1958 | Hourglass Field [FP+GP+HP] | | | Ronnie Bucknum | | 1st |
| 4.10.1958 | Preliminary Virginia [Novice] | 44 | | Warren Brown | | 4th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 2 | | Oscar Weissenborn | | 4th |
| 5.10.1958 | Eifelrennen Nürburgring | 10 | | Ewald Bandmann | Ewald Bandmann | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 11 | | Helmut Bonny | Helmut Bonny | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 12 | | Dr, Distelmeier | Dr, Distelmeier | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 14 | | Wim in der Elst | Wilhelm in der Elst | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 15 | | Bruno Runte | Bruno Runte | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 16 | | Siegfried Günther | Siegfried Günther | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 17 | | Helmut Busch | Dr. Busch | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 18 | | Hans Harzheim | Hans Harzheim | ?th |
| 5.10.1958 | Eifelrennen Nürburgring | 19 | | Hellmuth Gerhards | Helmut Gerhards | DNA |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 20 | | Don Dickey | | 6th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 25 | | Hans F. Rehemrez | | DNA |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 43 | | Al Whatley | | 16th |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 44 | | Warren Brown | | 10th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 44 | | John Barneson | | 1st |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 57 | | Charles Adams | | 10th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 70 | | Fred Block | | 20th |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 71 | | Bruce Jennings | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 94 | | Steve Newland | | 21st |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 116 | | Bob Herda | | 2nd |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 117 | | Frank Wagenhofer | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 119 | | D. D. Michelmore | | 3rd |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 120 | | Jack Woodard | | 8th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 127 | | Leon Robertson | | 13th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 136 | | Emil Pardee | | 9th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 155 | | Peter Talbot | | 14th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 170 | | Ed Vincent | | 5th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 180 | | Carl Meyer | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 207 | | Forrest Tindall | | 17th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 217 | | Art Snyder | | 7th |
| 5.10.1958 | Coupes du Salon | | | José Behra | | 5th |
| 5.10.1958 | Coupes du Salon | | | Donald Persons | | 16th |
| 5.10.1958 | Eifelrennen Nürburgring | | | | | ?th |