| 11.1.1958 | Preliminary Miami [BM+CM+DM+EM+FM+BP] | 0 | 550 RS | Charles Wallace | Briggs Cunningham | 2nd |
| 11.1.1958 | Preliminary Miami [BM+CM+DM+EM+FM+BP] | 00 | | George Metzger | | 13th |
| 11.1.1958 | Preliminary Miami [BM+CM+DM+EM+FM+BP] | 27 | 550 RS | Ernie Erickson | | DNA |
| 11.1.1958 | Preliminary Miami [BM+CM+DM+EM+FM+BP] | 68 | 550 | Newton Davis | | 14th |
| 11.1.1958 | Preliminary Miami [BM+CM+DM+EM+FM+BP] | 140 | 550 RS | Bob Holbert | | DNA |
| 11.1.1958 | Preliminary Miami [BM+CM+DM+EM+FM+BP] | 183 | 550 RS | John Cuevas | | 9th |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 0 | 550 RS | Charles Wallace | Briggs Cunningham | 5th |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 00 | | George Metzger | | DNF |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 4 | 356 | John Brons | | DNF |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 4 | 356 | John Brons | | 5th |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 9 | 356 A Carrera Speedster | Bud Faust | | 8th |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 9 | 356 A Carrera Speedster | Bud Faust | | 3rd |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 16 | 356 1600 Super | Jean Speidel | | 11th |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 16 | 356 1600 Super | Jean Speidel | | 7th |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 27 | 550 RS | Ernie Erickson | | DNA |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 29 | 356 1600 Super | Jim Bennett | | DNF |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 29 | 356 1600 Super | Jim Bennett | | 9th |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 38 | 356 1600 Super | Buel Kinne | | DNA |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 38 | 356 1600 Super | Buel Kinne | | DNA |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 57 | 356 1300 Super | Fred Lieb | | DNA |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 57 | 356 1300 Super | Fred Lieb | | DNA |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 68 | 550 | Newton Davis | | 12th |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 81 | 356 | Howard Fowler | | 8th |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 81 | 356 | Howard Fowler | | 3rd |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 83 | 356 A Carrera | John Cuevas | | 1st |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 83 | 356 A Carrera | John Cuevas | | 1st |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 85 | 356 A Carrera Coupé | Thomas R. Green | | DNA |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 85 | 356 A Carrera Coupé | Thomas R. Green | | DNA |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 90 | 356 | Nedra Ware | | DNA |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 90 | 356 | Nedra Ware | | DNA |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 140 | 550 RS | Bob Holbert | | 6th |
| 12.1.1958 | SCCA National Miami [BM+CM+DM+EM+FM+BP] | 183 | 550 RS | John Cuevas | | DNA |
| 12.1.1958 | Preliminary Miami [FP+GP+KP+HM] | 711 | 356 Speedster | Fred Martin | | 10th |
| 12.1.1958 | SCCA National Miami [FP+GP+KP+HM] | 711 | 356 Speedster | Fred Martin | | 9th |
| 26.1.1958 | 1000 km Buenos Aires | 48 | 550 RS | Moss / Behra | Huschke von Hanstein | 3rd |
| 26.1.1958 | 1000 km Buenos Aires | 50 | 550 RS | Barth / Mières / von Döry | Porsche | 5th |
| 26.1.1958 | 1000 km Buenos Aires | 52 | 550 RS | Juhan / Wiesse | | 10th |
| 26.1.1958 | 1000 km Buenos Aires | 54 | 550 | von Döry / Delfosse | | DNF |
| 26.1.1958 | 1000 km Buenos Aires | 56 | 550 | Mayol / Mantega | | DNS |
| 8.2.1958 | Preliminary Pomona [Production 1.5] | 19 | 356 A 1500 GS Carrera GT Speedster | D. D. Michelmore | D. D. Michelmore | 1st |
| 8.2.1958 | Preliminary Pomona [Production 1.5] | 24 | 356 Speedster | Ed Barker | Ed Barker | 2nd |
| 8.2.1958 | Preliminary Pomona [Production 1.5] | 42 | 356 A 1500 GS Carrera | Bob Piolatto | Bob Piolatto | DNF |
| 8.2.1958 | Preliminary Pomona [Modified 1.5] | 50 | 550 RS | Ken Miles | | DNS |
| 8.2.1958 | Preliminary Pomona [Production 1.5] | 72 | 356 A 1500 GS Carrera GT | Jimmy Moore | | DNF |
| 8.2.1958 | Preliminary Pomona [Production 1.5] | 81 | 356 A 1500 GS Carrera | Jay Hills | Jay Hills | 5th |
| 1958 | Hawaii [S1.6] | 7 | 550 | Loretta Richert | | 1st |
| 1958 | Preliminary Hawaii [Modified 1.6] | 7 | 550 | Loretta Richert | | 1st |
| 1958 | Hawaii [Main] | 7 | 550 | Loretta Richert | | 6th |
| 1958 | Plains Premiere [Main] | | 550 RS | Donald Berlin | | 2nd |
| 1958 | Preliminary Plains Premiere [BM+CM+DM+EM+FM+GM] | | 550 RS | Donald Berlin | | 3rd |
| 1958 | Preliminary Plains Premiere [DP+EP+FP] | | 356 1500 Super Speedster | John Busley | | 2nd |
| 1958 | Plains Premiere [BP+CP+DP+EP+FP] | | 356 A Carrera GT | Emory Cantey | | ?th |
| 1958 | Preliminary Hawaii [Production 1.6] | | 356 A Carrera | Gil Geer | | 2nd |
| 1958 | Hawaii [S1.6] | | 356 A Carrera | Gil Geer | | 4th |
| 1958 | Plains Premiere [Main] | | 356 1500 Super Speedster | John Busley | | ?th |
| 1958 | Preliminary Plains Premiere [DP+EP+FP] | | 356 A Carrera GT | Emory Cantey | | 1st |
| 1958 | Hawaii [Consolation] | | 356 Speedster | Melleney | | 3rd |
| 1958 | Hawaii [Main] | | 356 Super Coupé | Ted Fukuda | | raced |
| 1958 | Hawaii [Main] | | 356 A Carrera | Gil Geer | | raced |
| 1958 | Hawaii [S1.6] | | | | | raced |
| 1958 | Hawaii [Main] | | 356 Speedster | Melleney | | raced |
| 1958 | Hawaii [S1.6] | | 356 Super Coupé | Ted Fukuda | | 5th |
| 1958 | Preliminary Hawaii [Production 1.6] | | 356 Super Coupé | Ted Fukuda | | 1st |