| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 0 | 356 | Chuck Rickert | | 1st |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 0 | 356 | Chuck Rickert | | 1st |
| 8.6.1958 | 3 h Rouen | 2 | 718 RSK | Jean Behra | | 1st |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 9 | 356 | Ed Walsh | | 2nd |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 9 | 356 | Ed Walsh | | 3rd |
| 8.6.1958 | SCCA Regional Lawrenceville [BM+CM+DM+EM+FM+GM] | 26 | 550 Spyder | George van de Sande | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+GM] | 26 | 550 Spyder | George van de Sande | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 70 | 356 1300 | George Drolsom | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 70 | 356 1300 | George Drolsom | | ?th |
| 8.6.1958 | SCCA Regional Thompson [BM+CM+EM+FM] | 96 | 550 | Warren James | | 6th |
| 8.6.1958 | SCCA Regional Thompson [BM+CM+EM+FM] | 123 | 550 RS | Denise McCluggage | | 5th |
| 8.6.1958 | SCCA Regional Thompson [EP+FP] | 128 | 356 A 1600 Super | Victor Czito | | 5th |
| 8.6.1958 | SCCA Regional Lawrenceville [BM+CM+DM+EM+FM+GM] | 174 | 550 RS | Don Sesslar | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+GM] | 174 | 550 RS | Don Sesslar | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 444 | 356 | Dean Causey | | 3rd |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 444 | 356 | Dean Causey | | 2nd |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 8] | | 356 A Carrera | Emory Cantey | | 3rd |
| 8.6.1958 | SCCA Regional Gainesville | | 550 | Joe Sheppard | | raced |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 8] | | 356 A Carrera GT | Jimmy Moore | | 1st |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 8] | | 356 A Carrera | Rusty Wright | | 2nd |
| 8.6.1958 | 3 h Rouen | | | Auguste Veuillet | | 6th |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 23 | 550 RS | Denise McCluggage | | 2nd |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 33 | 550 | Newton Davis | | 6th |
| 14.6.1958 | Preliminary Lime Rock [GT] | 44 | 356 | Dan McNally | | 10th |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 71 | 550 RS | Vic Meinhardt | | 4th |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 92 | 550 | Warren James | | 12th |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 115 | 550 | Dick Thompson | | 3rd |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 140 | 550 RS | Bob Holbert | | 1st |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 9 | 356 Super | Tracy Bird | | 16th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 10 | 356 A Carrera | Richard Bellows | | 2nd |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 12 | 550 RS | Eldon Beagle | | 12th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 13 | 356 A Carrera GT | M. A. Cappiello | | DNF |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 14 | 356 A 1500 GS Carrera GT Speedster | D. D. Michelmore | | 9th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 15 | 550 | John Stevenson | | 2nd |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 18 | 356 A Carrera GT | Art Snyder | | 10th |
| 15.6.1958 | Opatija [S2.0] | 19 | 550 | Ernst Vogel | | 1st |
| 15.6.1958 | Preliminary Laguna Seca [Production III] | 20 | 356 A Carrera GT | Don Dickey | | 4th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 20 | 356 A Carrera GT | Don Dickey | | 1st |
| 15.6.1958 | SCCA National Lime Rock [BM+CM+DM+EM+FM] | 23 | 550 RS | Denise McCluggage | Briggs Cunningham | 8th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 24 | 356 A 1600 | Buel Kinne | | 4th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 33 | 356 A Carrera GT Speedster | Emil Pupulidy | | 1st |
| 15.6.1958 | SCCA National Lime Rock [FP] | 43 | 356 | Asher Chapman | | 12th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 44 | 356 A | Dan McNally | | 5th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 57 | 356 Super | Charles Adams | | 14th |
| 15.6.1958 | SCCA National Lime Rock [FP] | 66 | 356 A Carrera GT | Ed Hoyos | | 2nd |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 73 | 356 A Carrera | Dan Herman | | 8th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 82 | | Dave Skilling | | 5th |
| 15.6.1958 | Prix de Paris [S2.0] | 88 | 550 | Roger Loyer | | raced |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 88 | 550 RS | Jack McAfee | | 1st |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 92 | 356 | Jimmy Castle | | 20th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 94 | 356 A Carrera GT | John Barneson | | 5th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 96 | 356 Super | Robert Peck | | 24th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 107 | 356 Speedster | Charles Kuhn | | 22nd |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 115 | 356 Speedster | Ed Hodges | | 23rd |
| 15.6.1958 | Preliminary Laguna Seca [Production II] | 116 | 356 Super | Bob Herda | | 5th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 116 | 356 Super | Bob Herda | | 12th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 134 | 356 Super | William Slater | | 18th |
| 15.6.1958 | SCCA National Lime Rock [BM+CM+DM+EM+FM] | 140 | 550 RS | Bob Holbert | | 3rd |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 141 | 550 | Jack West | | 3rd |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 170 | 356 A Carrera | Ed Vincent | | 3rd |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 172 | 356 A Carrera GT | Jimmy Moore | | 6th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 180 | 356 A Carrera GT | Carl Meyer | | 4th |
| 15.6.1958 | SCCA Regional Laguna Seca [Ladies+FIII] | | 550 Spyder | Betty Shutes | | 3rd |
| 15.6.1958 | Opatija [S2.0] | | 550 RS | Milivoj Bozic | | DNF |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | | 550 | Sam Weiss | | DNA |
| 15.6.1958 | Preliminary Laguna Seca [HM+Production I] | | 356 | Peter Talbot | | 1st |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | | 550 RS | Ruth Levy | John Edgar | DNA |
| 15.6.1958 | Opatija [S2.0] | | 550 | Ludwig Fischer | | 4th |
| 21.6.1958 | ADMC Crimond [S2.7] | 2 | 356 A 1600 Super | Jim Clark | Border Reivers | 4th |
| 21.6.1958 | ADMC Crimond [Production Handicap] | 2 | 356 A 1600 Super | Ian Scott Watson | Border Reivers | raced |
| 21.6.1958 | ADMC Crimond [Fastest Handicap] | 2 | 356 A 1600 Super | Ian Scott Watson | Border Reivers | 1st |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 0 | 356 A Carrera | Chuck Rickert | Chuck Rickert | 1st |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 4 | 550 | Bob Donner | | 2nd |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 4 | 356 A Carrera | Dean Causey | Dean Causey | 3rd |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 7 | 356 1600 | Robert Schoening | Robert Schoening | 27th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 9 | 356 A Carrera | Ed Walsh | Ed Walsh | 9th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 15 | 356 1300 Super | George Drolsom | George Drolsom | 12th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 19 | 356 1600 Super | Phil Liautaud | Phil Liautaud | 32nd |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 21 | Special | William Cooper | Wm. H. Cooper | 20th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 22 | 356 A Carrera | George LaCross | Clifford Phillips | 5th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 23 | 356 1300 Super | Carl Schmidt | Carl G. Schmidt | 17th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 25 | 550 | Alex Ratelle | Alex E. Ratelle | DNA |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 26 | 550 Spyder | George van de Sande | Geo. van de Sande | 22nd |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 27 | 550 RS | Ernie Erickson | Ernie Erickson | DNA |
| 22.6.1958 | 24 h Le Mans | 29 | 718 RSK | Behra / Herrmann | Porsche KG | 3rd |
| 22.6.1958 | 24 h Le Mans | 30 | 718 RSK | Storez / von Frankenberg | Porsche KG | DNF |
| 22.6.1958 | 24 h Le Mans | 31 | 718 RSK | Barth / Frère | Porsche KG | 4th |
| 22.6.1958 | 24 h Le Mans | 32 | 550 RS | | Ed Hugus | DNA |
| 22.6.1958 | 24 h Le Mans | 32 | 550 RS | de Beaufort / Linge | Carel Godin de Beaufort | 5th |
| 22.6.1958 | 24 h Le Mans | 33 | 550 RS | | Christian Goethals | DNA |
| 22.6.1958 | 24 h Le Mans | 34 | 550 RS | Kerguen / "Franc" | Jean-Paul Colas | 10th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 43 | 356 A Carrera | Don Wester | Don P. Wester | 2nd |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 47 | 550 | Jack Manting | J. F. Manting | 23rd |
| 22.6.1958 | 24 h Le Mans | 59 | 550 RS | Schiller / Tot | Leman | DNS |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 71 | 550 | Fred Schraegle | Fred W. Schraegle | 19th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 74 | 550 RS | Don Sesslar | Cyrus L. Fulton | 1st |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 77 | 356 A Carrera | Bob Staples | Bob Staples | DNA |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 79 | 550 | Bob Staples | | 11th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 84 | 356 1300 | Clyde Bourgeois | Clyde Bourgeois | 21st |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 19 | 356 | Joseph Gibbons | Joseph M. Gibbons | DNA |