| 5.7.1958 | SCCA National Lime Rock [FP] | 5 | | Geoff Stevens | | DNF |
| 5.7.1958 | SCCA National Lime Rock [FP] | 13 | | M. A. Cappiello | | 2nd |
| 5.7.1958 | SCCA National Lime Rock [FP] | 24 | | Buel Kinne | | 6th |
| 5.7.1958 | SCCA National Lime Rock [FP] | 33 | | Emil Pupulidy | | 1st |
| 5.7.1958 | SCCA National Lime Rock [FP] | 44 | | Dan McNally | | 7th |
| 5.7.1958 | 12 h Reims | 46 | | Behra / Rodriguez | | 9th |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 94 | | Pamelia Mace | Mace-Newland | DNA |
| 5.7.1958 | SCCA National Lime Rock [FP] | 110 | | Bill Welsh | | DNF |
| 5.7.1958 | SCCA National Lime Rock [FP] | 111 | | Frank Wagenhofer | | 4th |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 115 | | Ed Hodges | Ed Hodges | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 116 | | Duncan Reynard | Bob Herda | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 127 | | Leon Robertson | Leon Robertson | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 139 | | Tom Hixson | Tom Hixson | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 142 | | Roland Shirley | Roland Shirley | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 156 | | Byron Kimmler | Byron Kimmler | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 163 | | Al Whatley | Alfred Whatley | DNA |
| 5.7.1958 | SCCA National Lime Rock [FP] | 166 | | Ed Hoyos | | 5th |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 172 | | Forrest Tindall | Forrest Tindall | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 190 | | John Seammon | Arthur Torres | DNA |
| 5.7.1958 | 12 h Reims | | | Norinder / Bonnier | | 12th |
| 5.7.1958 | 12 h Reims | | #100913 or 12303 | Storez / von Frankenberg | | 6th |
| 5.7.1958 | 12 h Reims | | | Blehaut / Souchou | | 15th |
| 5.7.1958 | 12 h Reims | | | Dutoit / Ros | | ?th |
| 6.7.1958 | Västkustloppet [GT1.6] | 1 | #103546 | Carl-Gunnar Hammarlund | | 1st |
| 6.7.1958 | Västkustloppet [GT1.6] | 2 | #55099 | Karl-Viktor Andersson | | 4th |
| 6.7.1958 | Västkustloppet [GT1.6] | 3 | | Egon Wohlin | | 2nd |
| 6.7.1958 | Västkustloppet [GT1.6] | 5 | | Harry Bengtsson | | 5th |
| 6.7.1958 | Västkustloppet [GT1.6] | 6 | | Harald Kronegard | | 3rd |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 7 | | Jim Clark | Border Reivers | DNS |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 7 | | Jim Clark | Border Reivers | 4th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 20 | | Don Dickey | Donald Dickey | 1st |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 31 | | Gordon Durham | G. Durham | raced |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 57 | | Charles Adams | Charles Adams | 6th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 75 | | Jimmy Moore | Jimmy Moore | DNA |
| 6.7.1958 | Preliminary Vaca Valley [300SL+Jag+Bristol+Corv+Carrera+AHS] | 75 | | Jimmy Moore | Jimmie Moore | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 92 | | Jimmy Castle | Jim Castle | 11th |
| 6.7.1958 | Preliminary Vaca Valley [Ladies+Sedan+FIII+MG-T] | 94 | | Pamelia Mace | Mace-Newland | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 102 | | Jack Woodard | Jack Woodward | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 107 | | Charles Kuhn | Charles Kuhn | raced |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 116 | | Bob Herda | Bob Herda | 3rd |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 118 | | Jean Pierre Kunstle | K. P. Kunstle | DNA |
| 6.7.1958 | Preliminary Vaca Valley [300SL+Jag+Bristol+Corv+Carrera+AHS] | 118 | | Jean Pierre Kunstle | J. P. Kunstle | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 125 | | William Slater | William Slater | 8th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 127 | | Leon Robertson | Leon Robertson | 7th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 136 | | Emil Pardee | Emil Pardee | 5th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 170 | | Ed Vincent | Ed Vincent | raced |
| 6.7.1958 | Preliminary Vaca Valley [300SL+Jag+Bristol+Corv+Carrera+AHS] | 170 | | Ed Vincent | Ed Vincent | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 177 | | Dan Herman | Dan Herman | 4th |
| 6.7.1958 | Preliminary Vaca Valley [300SL+Jag+Bristol+Corv+Carrera+AHS] | 177 | | Dan Herman | Dan Herman | DNA |
| 6.7.1958 | Preliminary Vaca Valley [300SL+Jag+Bristol+Corv+Carrera+AHS] | 180 | | Carl Meyer | Carl Meyer | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 180 | | Carl Meyer | Carl Meyer | 2nd |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 190 | | Bob Hagin | | 20th |
| 6.7.1958 | Hammond [Production 1.5+TR3+HM] | | | Eddie Cordaro | | 2nd |
| 6.7.1958 | Hammond [Production 1.5+TR3+HM] | | | W. Phillips | | 3rd |
| 12.7.1958 | BRSCC Full Sutton [GT] | 47 | | Jim Clark | Border Reivers | 2nd |
| 12.7.1958 | Preliminary Traverse City [Novice 1.5] | | | John Romig | | 1st |
| 12.7.1958 | Preliminary Traverse City [Novice 1.5] | | | Nelson Kunz | | 3rd |
| 13.7.1958 | LISCA Lime Rock [FP+?] | | | John Wright | | 3rd |
| 13.7.1958 | LISCA Lime Rock [FP+?] | | | Frank Wagenhofer | | 1st |
| 13.7.1958 | Traverse City [PS1.5+Sedan+HM] | | | Don Wolf | | 1st |
| 13.7.1958 | Traverse City [PS1.5+Sedan+HM] | | | Richard Kohler | | 3rd |
| 19.7.1958 | Berwick [Porsche] | 31 | | Steve Wilder | | 2nd |
| 19.7.1958 | Berwick [Porsche] | 56 | | Gene Hobbs | | 1st |
| 19.7.1958 | Berwick [Porsche] | 127 | #12272 | Edward Eichenlaub | | 3rd |
| 19.7.1958 | BEMC Harewood Acres [Production 3.0] | | | Brock Farrow | Farrow Motors | ?th |
| 19.7.1958 | BEMC Harewood Acres [Production 3.0] | | | Ralph Luciw | Farrow Motors | ?th |
| 19.7.1958 | BEMC Harewood Acres [Production 3.0] | | | A. F. Binder | Ecurie Sticky Wicket | ?th |
| 20.7.1958 | SCCA Regional Thompson [Production] | 4 | | Harry Blanchard | | 2nd |
| 20.7.1958 | SCCA Regional Thompson [FP] | 4 | | Harry Blanchard | | 1st |
| 20.7.1958 | SCCA Regional Thompson [GT] | 8 | | Charles Windisch | | 8th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 8 | | Charles Windisch | | 8th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 24 | | Buel Kinne | | 7th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 35 | | Oscar Weissenborn | | DNA |
| 20.7.1958 | SCCA Regional Thompson [FP] | 42 | | Victor Czito | | 6th |
| 20.7.1958 | SCCA Regional Thompson [GT] | 45 | | John Willock | | 7th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 45 | | John Willock | | 14th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 66 | | Ed Hoyos | | 4th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 77 | | John Bentley | | 5th |
| 20.7.1958 | SCCA Regional Thompson [Production] | 110 | | Bill Welsh | | raced |
| 20.7.1958 | SCCA Regional Thompson [FP] | 110 | | Bill Welsh | | 3rd |
| 20.7.1958 | SCCA Regional Thompson [Production] | 111 | | Frank Wagenhofer | | 3rd |
| 20.7.1958 | SCCA Regional Thompson [FP] | 111 | | Frank Wagenhofer | | 2nd |
| 20.7.1958 | SCCA Regional Thompson [FP] | 117 | | Joe Trotter | | 10th |
| 20.7.1958 | 10 h Messina | | #100913 or 12303 | Pucci / von Hanstein | | 4th |
| 27.7.1958 | Trophée d'Auvergne | 54 | | Dieter Feth | | ?th |
| 27.7.1958 | Trophée d'Auvergne | 58 | | Christian Goethals | | DNA |
| 27.7.1958 | Trophée d'Auvergne | 62 | | Behra / Marx | | 12th |
| 27.7.1958 | Trophée d'Auvergne | 64 | | Malle / Burggraff | | DNA |
| 27.7.1958 | Trophée d'Auvergne | 68 | | André Testut | | ?th |
| 27.7.1958 | Trophée d'Auvergne | 70 | | Pierre Marx | | DNA |
| 27.7.1958 | Trophée d'Auvergne | 116 | | Imbard / Roque | | DNA |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 44 | | John Barneson | John Barneson | 1st |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 70 | | Fred Block | | 9th |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 96 | | Robert Peck | Robert Peck | 6th |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 102 | | Jack Woodard | Jack Woodard | 4th |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 119 | | John Michelmore | D. D. Michelmore | 1st |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 127 | | Leon Robertson | Leon Robertson | 5th |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 172 | | Jimmy Moore | Jimmie Moore | 2nd |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 275 | | Pierre Dumenil | Pierre Dumenil | 7th |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 277 | | Art Snyder | Arthur Snyder | 3rd |