| 28.9.1958 | ICNSCC Ellensburg [Modified] | 17 | 356 A Carrera GT Coupé | Jim Cleland | | 6th |
| 28.9.1958 | USAC Watkins Glen | 32 | Special | Bill Rutan | W. K. Rutan | 6th |
| 28.9.1958 | WJC Charterhall [S+1.5] | 39 | 356 A 1600 Super | Ian Scott Watson | Border Reivers | DNA |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 47 | 356 A Carrera Speedster | Hal Rudow | | 8th |
| 28.9.1958 | USAC Watkins Glen | 71 | 550 RS | Vic Meinhardt | | 4th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 104 | 356 1600 Super Speedster | Ted Chittenden | | 14th |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 104 | 356 1600 Super Speedster | Ted Chittenden | | 11th |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 172 | 356 1600 Super Speedster | Jerry Matthews | | 11th |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 522 | 356 1600 Super Speedster | Dave Tatom | | DNF |
| 4.10.1958 | Preliminary Virginia [Novice] | 44 | 356 Coupé | Warren Brown | | 4th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 2 | 356 A 1600 | Oscar Weissenborn | | 4th |
| 5.10.1958 | Eifelrennen Nürburgring | 10 | 356 | Ewald Bandmann | Ewald Bandmann | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 11 | 356 | Helmut Bonny | Helmut Bonny | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 12 | 356 | Dr, Distelmeier | Dr, Distelmeier | DNA |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 12 | 550 RS | Eldon Beagle | | 8th |
| 5.10.1958 | Eifelrennen Nürburgring | 14 | 356 | Wim in der Elst | Wilhelm in der Elst | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 15 | 356 A Carrera | Bruno Runte | Bruno Runte | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 16 | 356 A Carrera | Siegfried Günther | Siegfried Günther | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 17 | 356 A Carrera | Helmut Busch | Dr. Busch | DNA |
| 5.10.1958 | Eifelrennen Nürburgring | 18 | 356 A Carrera | Hans Harzheim | Hans Harzheim | ?th |
| 5.10.1958 | Eifelrennen Nürburgring | 19 | 356 | Hellmuth Gerhards | Helmut Gerhards | DNA |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 20 | 356 A Carrera GT | Don Dickey | | 6th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 20 | 356 A 1600 | Bruce Grohe | | DNF |
| 5.10.1958 | SCCA Regional Thompson [FP] | 23 | 356 A Carrera GT | Bill Chadbourne | | 1st |
| 5.10.1958 | SCCA Regional Thompson [FP] | 25 | 356 | Hans F. Rehemrez | | DNA |
| 5.10.1958 | SCCA National Virginia [BM+CM+DM+EM+FM+GM] | 33 | 550 RS | Newton Davis | | 9th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 35 | 356 A 1600 | Donald Mark | | 9th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 43 | 356 A Carrera GT | Al Whatley | | 16th |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 44 | 356 Coupé | Warren Brown | | 10th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 44 | 356 A Carrera GT | John Barneson | | 1st |
| 5.10.1958 | Innsbruck [GT1.6] | 48 | 356 A 1500 GS Carrera | Dieter Feth | Dieter Feth | 7th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 48 | 356 A 1600 Super | Chandler Lawrence | | DNF |
| 5.10.1958 | Innsbruck [GT1.6] | 49 | 356 A 1500 GS Carrera Speedster | Herbert Nosek | OeASC | 6th |
| 5.10.1958 | Innsbruck [GT1.6] | 50 | 356 A 1500 GS Carrera Speedster | Richard von Frankenberg | Rich v. Frankenberg | 3rd |
| 5.10.1958 | Innsbruck [GT1.6] | 50 | 356 A 1500 GS Carrera | Max Kraus | OeASC | DNA |
| 5.10.1958 | SCCA Regional Thompson [FP] | 51 | 356 A 1600 Super | Dick Steltz | | 3rd |
| 5.10.1958 | Innsbruck [GT1.6] | 52 | 356 A 1500 GS Carrera | "De Roris" | Ecurie Escort | DNA |
| 5.10.1958 | Innsbruck [GT1.6] | 53 | 356 A 1500 GS Carrera | Aloys Kiendl | Aloys Kiendl | DNA |
| 5.10.1958 | SCCA Regional Thompson [FP] | 53 | 356 A 1600 | Joe Trotter | | 8th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 54 | 356 A 1600 Super | Dave Dunn | | 6th |
| 5.10.1958 | Innsbruck [GT1.6] | 54 | 356 A 1500 GS Carrera | | Hanns Roth | DNF |
| 5.10.1958 | Innsbruck [GT1.6] | 55 | 356 A 1500 GS Carrera | Massimo Leto di Priolo | Scuderia Ambrosiana | DNA |
| 5.10.1958 | Innsbruck [GT1.6] | 56 | 356 A 1500 GS Carrera Speedster | Ludwig Blendl | Ludwig Blendl | 5th |
| 5.10.1958 | Innsbruck [GT1.6] | 57 | 356 A 1500 GS Carrera Speedster | Siegfried Günther | Siegfried Günther | 1st |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 57 | 356 Super | Charles Adams | | 10th |
| 5.10.1958 | Innsbruck [GT1.6] | 58 | 356 A 1500 GS Carrera | Sepp Greger | OeASC | 4th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 58 | 356 A 1600 Super | S. Wasilow | | DNF |
| 5.10.1958 | Innsbruck [GT1.6] | 59 | 356 A 1600 Super | Wolfgang Meyer | Wolfgang Meyer | DNF |
| 5.10.1958 | Innsbruck [GT1.6] | 60 | 356 A 1500 GS Carrera GT Coupé | Carl-Gunnar Hammarlund | Carl-Gunnar Hammarlund | 2nd |
| 5.10.1958 | SCCA Regional Thompson [FP] | 70 | 356 A 1600 Super | George Frey | | 2nd |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 70 | 356 Super | Fred Block | | 20th |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 71 | 356 | Bruce Jennings | | DNF |
| 5.10.1958 | SCCA National Virginia [BM+CM+DM+EM+FM+GM] | 74 | 550 RS | Don Sesslar | | 2nd |
| 5.10.1958 | SCCA National Virginia [BM+CM+DM+EM+FM+GM] | 76 | Special | Charles Wallace | | DNF |
| 5.10.1958 | Innsbruck [S+1.1] | 80 | 550 | Ernst Vogel | OeASC | 2nd |
| 5.10.1958 | Innsbruck [S+1.1] | 81 | 550 RS | Heini Walter | Heinrich Walter | 4th |
| 5.10.1958 | Innsbruck [S+1.1] | 82 | 550 RS | Carel Godin de Beaufort | Godin Graf Beaufort | 3rd |
| 5.10.1958 | Innsbruck [S+1.1] | 85 | 550 | Ludwig Fischer | Ludwig Fischer | raced |
| 5.10.1958 | Innsbruck [S+1.1] | 87 | 550 | | Porsche Konstr. KG | raced |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 88 | 550 RS | Jack McAfee | | 2nd |
| 5.10.1958 | Innsbruck [S+1.1] | 88 | 550 RS | Milivoj Bozic | Auto-Moto-Savez Jugoslaviya | 5th |
| 5.10.1958 | Innsbruck [S+1.1] | 92 | 718 RSK | Huschke von Hanstein | Ing. Dr. h. c. Porsche KG | raced |
| 5.10.1958 | Innsbruck [S+1.1] | 93 | 550 RS | von Döry | Ing. Dr. h. c. Porsche KG | 6th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 94 | 356 Super | Steve Newland | | 21st |
| 5.10.1958 | SCCA Regional Thompson [FP] | 111 | 356 A 1600 | Edward Todd | | 5th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 116 | 356 Super | Bob Herda | | 2nd |
| 5.10.1958 | SCCA National Virginia [FP+GP+HM] | 117 | 356 A Carrera GT | Frank Wagenhofer | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 119 | 356 A 1500 GS Carrera GT Speedster | D. D. Michelmore | | 3rd |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 120 | 356 Super | Jack Woodard | | 8th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 127 | 356 | Leon Robertson | | 13th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 136 | 356 Super | Emil Pardee | | 9th |
| 5.10.1958 | SCCA National Virginia [BM+CM+DM+EM+FM+GM] | 140 | 550 RS | Bob Holbert | | 11th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 141 | | John Weitz | | DNA |
| 5.10.1958 | SCCA Regional Thompson [FP] | 142 | 356 A 1600 Super | John Keeney | | 7th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 149 | 356 A Carrera GT | Harry Blanchard | | DNA |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 155 | 356 | Peter Talbot | | 14th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 170 | 356 A Carrera GT | Ed Vincent | | 5th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 180 | 356 A Carrera GT | Carl Meyer | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 188 | 550 | Stan Sugarman | | 11th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 207 | 356 | Forrest Tindall | | 17th |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 212 | | Erv Lehr | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 215 | 550 | John Stevenson | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 217 | 356 A Carrera GT | Art Snyder | | 7th |
| 5.10.1958 | Coupes du Salon | | 356 A Carrera | José Behra | | 5th |
| 5.10.1958 | Eifelrennen Nürburgring | | 356 | | | ?th |
| 5.10.1958 | Coupes du Salon | | 356 1600 Super | Donald Persons | | 16th |
| 11.10.1958 | 3 h Autosport | 11 | 356 A 1600 Super | C. W. Lawson | C. W. Lawson | DNA |
| 11.10.1958 | Preliminary Venice [CM+DM+EM+FM+BP+CP+DP] | 27 | 550 RS | Roy Schecter | | 3rd |
| 11.10.1958 | 1 h Snetterton | 30 | 356 | | | 10th |
| 11.10.1958 | 1 h Snetterton | 40 | 356 1600 | J. Walden | J. Walden | DNA |
| 11.10.1958 | 1 h Snetterton | 41 | 356 | M. Kaye | Jim Russels Racing Drivers School | 8th |
| 11.10.1958 | Preliminary Venice [GM+HM+EP+FP+GP+HP] | | 356 A Carrera GT | John Cuevas | | 1st |
| 11.10.1958 | Preliminary Venice [GM+HM+EP+FP+GP+HP] | | 356 A Carrera | Howard Fowler | | 3rd |
| 11.10.1958 | Preliminary Venice [GM+HM+EP+FP+GP+HP] | | 356 A Carrera GT | Jean Speidel | | 4th |
| 12.10.1958 | SCCA Regional Wilmot [GP+HP+IM+Sedan] | 23 | 356 1100 | Carl Schmidt | | 1st |
| 12.10.1958 | 6 h Venice | 27 | 550 RS | Roy Schecter | | 2nd |
| 12.10.1958 | 6 h Venice | | 550 RS | Joe Sheppard | | 1st |
| 12.10.1958 | 6 h Venice | | 356 A Carrera GT | Jean Speidel | | ?th |
| 12.10.1958 | 6 h Venice | | 356 A Carrera GT | Chuck Cassel | | ?th |
| 12.10.1958 | 6 h Venice | | 356 A Carrera GT | John Cuevas | | ?th |