| 3.8.1958 | SCCA Regional Shelton [S1.5] | 5 | | Jim Cleland | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 5 | | Jim Cleland | | 2nd |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 20 | | Don Dickey | Donald R. Dickey | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 41 | | Dave Tatom | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 41 | | Bob Yeakel | | DNA |
| 3.8.1958 | Rheinland Nürburgring [S1.5] | 45 | | Helmut Busch | | 10th |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 47 | | Hal Rudow | | DNA |
| 3.8.1958 | Rheinland Nürburgring [S1.5] | 48 | | Ludwig Blendl | | DNS |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 48 | | Berthold Rückwarth | | DNS |
| 3.8.1958 | Rheinland Nürburgring [S1.5] | 49 | | Siegfried Günther | | 15th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 51 | | Hans Walter | | 1st |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 52 | | Richard Trenkel | | 9th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 53 | | Rolf Geissmann | | 10th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 56 | | Helmut Deutenberg | | 6th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 57 | | Wilhelm v, der List | | DNF |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 57 | | Jim Mitchell | | DNA |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 58 | | Sepp Greger | | DNF |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 60 | | Fritz Hahnl, Jr. | | 3rd |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 61 | | Hans Harzheim | | 5th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 62 | | Heinrich Hülbüsch | | DNF |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 63 | | Aloys Kiendl | | DNF |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 64 | | Herbert Russell | | 11th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 66 | | Herbert Linge | | 2nd |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 71 | | Eberhard Mahle | | 4th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 72 | | Carl-Gregor Auer | | 8th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 74 | | Helmut Bonny | | 12th |
| 3.8.1958 | Rheinland Nürburgring [GT1.6] | 76 | | Bill Wuesthoff | | 7th |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 94 | | Steve Newland | Steve Newland | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 96 | | Robert Peck | Robert Peck | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 97 | | William Walker | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 97 | | William Walker | | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 102 | | Jack Woodard | Jack Woodard | 2nd |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 119 | | D. D. Michelmore | D. D. Michelmore | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 127 | | Leon Robertson | Leon Robertson | 3rd |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 136 | | Emil Pardee | Emil Pardee | 1st |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 136 | | Emil Pardee | Emil Pardee | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 163 | | Al Whatley | Alfred T. Wheatley | DNA |
| 3.8.1958 | Preliminary Minden [Corvette+Porsche+Jaguar] | 172 | | Jimmy Moore | Jimmie Moore | ?th |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 172 | | James Matthews | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 177 | | Dan Herman | | DNA |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 180 | | Carl Meyer | Carl Meyer | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 205 | | Harry Shorman | Harry F. Shorman | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 214 | | Tim Railton | Timothy Railton | 2nd |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 217 | | Forrest Tindall | Forest Tindall | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 230 | | Galen Chase | Galen E. Chase | 3rd |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 275 | | Pierre Dumenil | Pierre Dumenil | DNA |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | 62 | | C. W. Lawson | C. W. Lawson | DNA |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | | | | Border Reivers | raced |
| 10.8.1958 | Kanonloppet [GT2.0] | 1 | #103546 | Carl-Gunnar Hammarlund | | 1st |
| 10.8.1958 | Kanonloppet [GT2.0] | 2 | | Egon Wohlin | | 2nd |
| 10.8.1958 | Kanonloppet [GT2.0] | 4 | | Harald Kronegard | | 6th |
| 10.8.1958 | Kanonloppet [GT2.0] | 5 | | Per-Anders Ygberg | | 3rd |
| 10.8.1958 | Kanonloppet [GT2.0] | 8 | | Folke Sjöberg | | 5th |
| 10.8.1958 | Kanonloppet [GT2.0] | 12 | | Karl-Erik Sewelin | | 11th |
| 10.8.1958 | Kanonloppet [GT2.0] | 15 | | Harry Bengtsson | | 8th |
| 10.8.1958 | Kanonloppet [GT2.0] | 17 | | Allan Ernerstedt | | raced |
| 10.8.1958 | Kanonloppet [GT2.0] | 18 | | Alrik Stenström | | 4th |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 0 | | Chuck Rickert | | 1st |
| 16.8.1958 | Preliminary Montgomery [GT] | 5 | | J. Harrison | | 6th |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 9 | | Ed Walsh | | 2nd |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 12 | | Cliff Phillips | Phillips | DNF |
| 16.8.1958 | Harewood Acres [EP] | 20 | | Klaus Bartels | Klaus Bartels | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 20 | | Klaus Bartels | Klaus Bartels | raced |
| 16.8.1958 | Harewood Acres [FP] | 39 | | Jack Moore | Jack Moore | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 39 | | Jack Moore | Jack Moore | raced |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 40 | #84782 | Tommy Allen | | DNF |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 49 | | Ten Grand | | 23rd |
| 16.8.1958 | Harewood Acres [FP] | 96 | | Anthony Sowers | A. Sowers | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 96 | | Anthony Sowers | A. Sowers | DNA |
| 16.8.1958 | Harewood Acres [FP] | 118 | | Brock Farrow | Farrow Motors "Rennmanschaft" | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 118 | | Brock Farrow | Farrow Motors "Rennmanschaft" | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 119 | | Ralph Luciw | Farrow Motors "Rennmanschaft" | DNA |
| 16.8.1958 | Harewood Acres [EP] | 119 | | Ralph Luciw | Farrow Motors "Rennmanschaft" | DNA |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 177 | | Phil Liautaud | | 20th |
| 16.8.1958 | Preliminary Montgomery [GT] | 222 | | Morrow Decker | | 4th |
| 16.8.1958 | Harewood Acres [FP] | | | D. Kurrans | | 1st |
| 16.8.1958 | 6 h Relay Silverstone [Handicap] | | | Jim Clark | | 22nd |
| 17.8.1958 | SCCA National Montgomery [FP] | 12 | | Joseph Gibbons | | 16th |
| 17.8.1958 | SCCA National Montgomery [FP] | 13 | | M. A. Cappiello | | 4th |
| 17.8.1958 | SCCA National Montgomery [FP] | 24 | | Buel Kinne | | 7th |
| 17.8.1958 | SCCA National Montgomery [FP] | 30 | | Charles Windisch | | DNF |
| 17.8.1958 | SCCA National Montgomery [FP] | 33 | | Emil Pupulidy | | 1st |
| 17.8.1958 | SCCA National Montgomery [FP] | 70 | | Bruce Jennings | | 6th |
| 17.8.1958 | Zeltweg [GT+1.3] | 74 | | Hanns Roth | Hanns Roth | ?th |
| 17.8.1958 | Zeltweg [GT+1.3] | 75 | | Sepp Greger | Josef Gregor | ?th |
| 17.8.1958 | Zeltweg [GT+1.3] | 76 | | Herbert Nosek | ÖASC | raced |
| 17.8.1958 | SCCA National Montgomery [FP] | 77 | | John Bentley | | DNF |
| 17.8.1958 | Zeltweg [GT+1.3] | 77 | | Max Kraus | ÖASC | ?th |
| 17.8.1958 | Zeltweg [GT+1.3] | 78 | | Huschke von Hanstein | Dr. Ing. h. c. F. Porsche K. G. | ?th |
| 17.8.1958 | Zeltweg [GT+1.3] | 79 | | Eberhard Mahle | Eberhard Mahle | raced |
| 17.8.1958 | Zeltweg [GT+1.3] | 80 | #100913 or 12303 | Richard von Frankenberg | R. v. Frankenberg | ?th |
| 17.8.1958 | Zeltweg [GT+1.3] | 81 | | | | DNE |
| 17.8.1958 | Zeltweg [GT+1.3] | 82 | | Siegfried Günther | Siegfried Günther | ?th |
| 17.8.1958 | Zeltweg [GT+1.3] | 84 | | | | DNE |
| 17.8.1958 | SCCA National Montgomery [FP] | 137 | | Richard Lerner | | 5th |
| 17.8.1958 | SCCA National Montgomery [FP] | 222 | | Morrow Decker | | DNF |
| 17.8.1958 | SCCA National Montgomery [FP] | 249 | | Harry Blanchard | | 3rd |
| 17.8.1958 | Zeltweg [GT+1.3] | | | Bruno Runte | | ?th |
| 17.8.1958 | Zeltweg [GT+1.3] | | | Ludwig Blendl | | ?th |
| 17.8.1958 | Zeltweg [GT+1.3] | | | Herbert Linge | | ?th |