| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 1 | 356 1600 Super | Charles McGinley | | 14th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 6 | 356 1600 | Alan Hoskins | | 15th |
| 1.6.1958 | SCCA National Bridgehampton [FP] | 13 | 356 A Carrera GT | M. A. Cappiello | | 4th |
| 1.6.1958 | SCCA National Bridgehampton [FP] | 17 | 356 A Carrera GT | Hodge Brush | | DNF |
| 1.6.1958 | 1000 km Nürburgring | 20 | 718 RSK | Behra / Barth | Dr. Ing. h. c. F. Porsche K. G. | DNF |
| 1.6.1958 | 1000 km Nürburgring | 21 | 718 RSK | Schell / Frère | Dr. Ing. h. c. F. Porsche K. G. | 7th |
| 1.6.1958 | 1000 km Nürburgring | 21T | 718 RSK | Edgar Barth | Porsche KG | T-car |
| 1.6.1958 | 1000 km Nürburgring | 22 | 718 RSK | Scarlatti / von Frankenberg / de Beaufort | Dr. Ing. h. c. F. Porsche K. G. | DNS |
| 1.6.1958 | 1000 km Nürburgring | 22T | 550 RS | von Frankenberg / de Beaufort / Barth | Porsche KG | 6th |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 23 | 356 | H. A. Wilbur | | DNF |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 25 | 356 | Donald Baker | | 9th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 27 | | Dave Hollister | | 16th |
| 1.6.1958 | 1000 km Nürburgring | 30 | 356 Speedster | von Saucken / Bialas | Harald von Saucken | 14th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 31 | 356 1600 Super Speedster | Ronnie Bucknum | Ronnie Bucknum | 8th |
| 1.6.1958 | 1000 km Nürburgring | 31 | 550 RS | Bunker / Schiller | Ecurie Maarsbergen | DNF |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 33 | 356 1600 Super | John Koperski | | 8th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 35 | 356 1600 Normal | Gerald Schneider | | 13th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 36 | 356 1600 Super | Charles Wingfield | | 12th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 41 | 356 1600 Super | Bill Randle | | 10th |
| 1.6.1958 | SCCA National Bridgehampton [FP] | 42 | 356 A Carrera GT | Bill Erhart | | 5th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 44 | 356 1600 | Harold Morgan | | 23rd |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 47 | 356 1600 Super | Thomas Zook | | 17th |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 48 | 356 Super | Bernard Groh | | 6th |
| 1.6.1958 | GP Dunkirk | 48 | 356 A 1600 Super | Bernard Groh | | 11th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 50 | 550 RS | Ken Miles | Zipper Estes | 2nd |
| 1.6.1958 | 1000 km Nürburgring | 50 | 356 A 1500 GS Carrera | Strähle / Walter | Paul-Ernst Strähle | 16th |
| 1.6.1958 | 1000 km Nürburgring | 51 | 356 A Carrera | Greger / Denk | Josef Greger | DNF |
| 1.6.1958 | 1000 km Nürburgring | 52 | 356 A Carrera | Hahnl, Jr. / Zick | Fritz Hahnl | 17th |
| 1.6.1958 | 1000 km Nürburgring | 53 | 356 A Speedster | Wilbourne / Wuesthoff | William Wilbourne | 25th |
| 1.6.1958 | 1000 km Nürburgring | 54 | 356 A Speedster | Busch / Pucci | Dr. Helmut Busch | 19th |
| 1.6.1958 | SCCA National Bridgehampton [FP] | 54 | 356 A 1600 | Asher Chapman | | 9th |
| 1.6.1958 | 1000 km Nürburgring | 55 | 356 A Carrera | Runte / Hartzheim | Bruno Runte | 22nd |
| 1.6.1958 | 1000 km Nürburgring | 56 | 356 A Carrera | Clark / Niessen | Bruno Runte | DNS |
| 1.6.1958 | 1000 km Nürburgring | 57 | 356 A Carrera | Deutenberg / in der Elst | Helmut Deutenberg | 19th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 57 | Special | Orgeron / Eubank | H. M. Mathens | DNA |
| 1.6.1958 | 1000 km Nürburgring | 58 | 356 A Carrera | Lindberg / Lindqvist | Arne Lindberg | DNS |
| 1.6.1958 | 1000 km Nürburgring | 61 | 356 A Carrera | Harzheim / Heins | H. Harzheim | DNS |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 61 | 356 1600 Normal | William Smith | | 9th |
| 1.6.1958 | 1000 km Nürburgring | 62 | 356 A Carrera | Albrecht / Appel | Fred Albrecht | DNF |
| 1.6.1958 | 1000 km Nürburgring | 63 | 356 A Carrera | Testut / Sibile | Ecurie Monte Carlo Louis Chiron | DNS |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 64 | 356 A 1600 | Paul Vollmer | | 8th |
| 1.6.1958 | 1000 km Nürburgring | 65 | 356 A Carrera | Blendl / Günther | Ludwig Blendl | DNS |
| 1.6.1958 | SCCA National Bridgehampton [FP] | 71 | 356 A Carrera GT | Dean Causey | | 6th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 72 | 356 A 1500 GS Carrera GT Speedster | Jimmy Moore | Jimmy Moore | 2nd |
| 1.6.1958 | SCCA National Bridgehampton [BM+CM+DM+EM+FM] | 83 | 550 RS | Dick Thompson | | 8th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 88 | 550 RS | Jack McAfee | Stanley Sugarman | 1st |
| 1.6.1958 | 1000 km Nürburgring | 90 | 356 | Linge / Winkler | Herbert Linge | 13th |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 117 | 356 A Carrera GT | Edward Eichenlaub | | 2nd |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 119 | 550 RS | Donald Berlin | | 3rd |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 141 | 550 | Bill Lewis | | 3rd |
| 1.6.1958 | GP Dunkirk | 141 | 550 | Bill Lewis | | 4th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 170 | 356 A 1500 GS Carrera | Art Snyder | Art Snyder | 13th |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 188 | S.S. | Jack McAfee | Stanley Sugarman | 5th |
| 1.6.1958 | Consolation Santa Barbara [Modified] | 188 | S.S. | Jack McAfee | Stanley Sugarman | 3rd |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 189 | Special | Arthur Plaxton | Wm. Morlang | DNA |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 200 | 356 A 1500 GS Carrera GT | Don Dickey | Donald Dickey | 5th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 216 | 356 1600 Super Speedster | Chuck Teichen | Chuck Teichen | 22nd |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 222 | 550 | John Peters | John Peters | 7th |
| 1.6.1958 | GP Dunkirk | 270 | 550 | Bernie Keller | | DNF |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 270 | 550 | Bernie Keller | | 6th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 296 | Special | Kaiser / Tannlund | Milt Sharp | DNS |
| 1.6.1958 | SCCA Regional Dunkirk [FP+GP] | 717 | 356 1600 Super | Bill Strand | | 13th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | | 550 RS | Bob Donner | | DNS |
| 1.6.1958 | SCCA Regional La Junta [BM+CM+DM+EM+BP+CP+DP] | | 550 RS | Bob Donner | | DNF |
| 1.6.1958 | La Junta [Ladies] | | 356 1600 Normal | Lucille Key | | 3rd |
| 1.6.1958 | 1000 km Nürburgring | | 550 RS | Knippel / Merkel | Hans Knippel | DNA |
| 1.6.1958 | La Junta [Ladies] | | 356 1600 Super | Patsy Randle | | 1st |
| 2.6.1958 | Roskilde Ring [S1.5] | | 550 RS | Julius Voigt-Nielsen | | ?th |
| 7.6.1958 | Put-In-Bay [FP] | 50 | 356 A 1500 Super Coupé | | | raced |
| 7.6.1958 | Put-In-Bay [FM+EP] | 54 | 550 | | | raced |
| 7.6.1958 | Put-In-Bay [FM+EP] | 57 | 550 | Bernie Keller | | DNA |
| 7.6.1958 | Put-In-Bay [FM+EP] | 65 | 550 | S. Baughman | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 67 | 356 | | | raced |
| 7.6.1958 | Put-In-Bay [FP] | 68 | 356 | Albert Close | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 81 | 356 | Bill Strand | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 113 | 356 | | | raced |
| 7.6.1958 | Put-In-Bay [FP] | 114 | 356 | Dick Dittus | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 117 | 356 Speedster | Edward Eichenlaub | | DNA |
| 7.6.1958 | Preliminary Eagle Mountain [race 2] | | 356 A Carrera | Rusty Wright | | 2nd |
| 7.6.1958 | Preliminary Eagle Mountain [race 2] | | 356 A Carrera GT | Jimmy Moore | | 1st |
| 7.6.1958 | Preliminary Eagle Mountain [race 2] | | 356 A Carrera | Emory Cantey | | 3rd |
| 7.6.1958 | Preliminary Eagle Mountain [Novice] | | 550 RS | Charles Fagg | | 2nd |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 10 | 356 1500 Super | Floyd Stone | | 7th |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 21 | 356 1600 | Asher Chapman | | DNA |
| 8.6.1958 | SCCA Regional Thompson [BM+CM+EM+FM] | 42 | 550 | Newton Davis | | DNA |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 43 | 356 A Carrera GT | Frank Wagenhofer | | 2nd |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 48 | 356 1600 Super | Ed Mowle | | DNA |
| 8.6.1958 | SCCA Regional Thompson [BM+CM+EM+FM] | 61 | 550 RS | Forno | Briggs Cunningham | 3rd |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 64 | 356 A 1600 Normal | Joe Trotter | | 8th |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 65 | 356 A 1600 | Oscar Weissenborn | | 4th |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 66 | 356 A 1600 GS Carrera GT | Ed Hoyos | | 1st |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 67 | 356 1600 | John Willock | | DNA |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 68 | 356 A Carrera | Bill Erhart | | DNA |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 73 | 356 1500 Super | Arthur Hann | | 6th |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 110 | 356 A 1600 Super | Bill Welsh | | 3rd |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 111 | 356 1600 Super | Bill Romig | | DNA |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 126 | 356 1600 Super | Buel Kinne | | DNA |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 149 | 356 1500 Super | Harry Blanchard | | DNA |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 555 | 356 1500 Normal | Jef Stevens | | DNA |
| 8.6.1958 | 3 h Rouen | | | Georges Burggraff | | raced |