| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 4 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 41 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 49 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 62 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 78 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 120 | Giulietta Veloce | John R. Webb | John Webb | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 148 | Giulietta Veloce | Steve Froines | Stephen Froines | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 215 | Giulietta Veloce | Frank Aldhous | | 1st |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 258 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 358 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 711 | Giulietta | | | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [FP] | 888 | Giulietta | | | raced |
| 15.11.1958 | 9 h Johannesburg | 11 | Giulietta Sprint Veloce | Boyden / Lupini | Scuderia Lupini | raced |
| 15.11.1958 | 9 h Johannesburg | 16 | Giulietta TI | Pieterse / Pieterse | Scuderia Lupini | 3rd |
| 15.11.1958 | 9 h Johannesburg | 17 | Giulietta TI | Bosman / Hedge | Scuderia Lupini | 12th |
| 15.11.1958 | 9 h Johannesburg | 18 | Giulietta TI | Howell / de Lange | Scuderia Lupini | 5th |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 1 | Giulietta | Smith | | 15th |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 6 | Giulietta Veloce | Jim Silberman | | 1st |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 6 | Giulietta Veloce | Jim Silberman | | 3rd |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 32 | Giulietta Veloce | Ray Anderson | | 2nd |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 32 | Giulietta Veloce | Ray Anderson | | DNF |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 60 | Giulietta Veloce | Don Erlbeck | | DNF |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 60 | Giulietta Veloce | Don Erlbeck | | DNF |
| 16.11.1958 | Preliminary Marlboro [FP+GP] | 92 | Giulietta Veloce | Steve McClellan | | 4th |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 92 | Giulietta Veloce | Steve McClellan | | 7th |
| 22.11.1958 | GP Venezuela | 712 | Giulietta TI | Giorgio Carless | Giorgio Carless | 18th |
| 22.11.1958 | GP Venezuela | 716 | Giulietta TI | Olga de Carless | Señora Olga | 29th |
| 22.11.1958 | GP Venezuela | 727 | Giulietta Veloce | Claudio D'Andrea | C. D'Andrea | 13th |
| 22.11.1958 | GP Venezuela | 729 | Giulietta Veloce | Luis Wannoni | Luis Wannoni | 12th |
| 22.11.1958 | GP Venezuela | 730 | Giulietta Veloce | Juan Vené | J. Vené | 26th |
| 22.11.1958 | GP Venezuela | 731 | Giulietta Spider | José Miguel Galia | J. M. Galia | 15th |
| 22.11.1958 | GP Venezuela | 732 | Giulietta Veloce | Pedro Rodriguez | P. Rodriguez | 19th |
| 22.11.1958 | GP Venezuela | 733 | Giulietta Veloce | Roland Riallot | R. Riallot | 24th |
| 22.11.1958 | GP Venezuela | 734 | Giulietta Veloce | Héctor Osuna | Héctor Osuna | NC |
| 22.11.1958 | GP Venezuela | 740 | 1900 TI | Guarducci / Manzini | Octavio Guarducci | NC |
| 22.11.1958 | GP Venezuela | 741 | 1900 TI | Pierluigi Monteverdi | P. Monteverdi | 22nd |
| 22.11.1958 | GP Venezuela | 742 | 1900 TI | Marquesa De La Penne | Señora Leonetta | 30th |
| 22.11.1958 | GP Venezuela | 748 | 1900 SS | Tarzán Hernandez | T. Hernández | 14th |
| 22.11.1958 | GP Venezuela | 753 | 1900 SS | Antonio Gandia | A. M. Gandia | 21st |
| 22.11.1958 | 6 h Pomona | | Giulietta Spider Veloce | Hathaway / Froines | | 10th |
| 22.11.1958 | 6 h Pomona | | Giulietta Veloce | Patton / West | | 7th |
| 23.11.1958 | Pomona [FP+GP+HP] | | Giulietta Veloce | Aldhous | | 1st |
| 23.11.1958 | Pomona [FP+GP+HP] | | Giulietta Spider Veloce | Hathaway | | 2nd |
| 23.11.1958 | Pomona [FP+GP+HP] | | Giulietta Veloce | Lee | | 5th |
| 23.11.1958 | Pomona [FP+GP+HP] | | Giulietta Sprint Veloce | Patton | | 4th |
| 23.11.1958 | Pomona [FP+GP+HP] | | Giulietta Speciale | Hayward | | 7th |
| 23.11.1958 | Pomona [FP+GP+HP] | | Giulietta Veloce | West | | 3rd |
| 23.11.1958 | Pomona [FP+GP+HP] | | Giulietta Veloce | Roetnor | | DNF |
| 30.11.1958 | Hammond [race 2] | | Giulietta Veloce | | | raced |
| 30.11.1958 | Phoenix [HM+FP+HP] | | Giulietta Veloce | Jim Speckens | | 1st |
| 30.11.1958 | Hammond [race 2] | | Giulietta Veloce | | | raced |
| 30.11.1958 | Phoenix [Main] | | Giulietta Veloce | Jim Speckens | | 14th |
| 30.11.1958 | Phoenix [Production] | | Giulietta Veloce | Jim Speckens | | 14th |
| 30.11.1958 | Phoenix [Novice] | | Giulietta Veloce | Jim Crispelle | | ?th |
| 4.12.1958 | Nassau TT | 22 | Giulietta Spider | Carl Dorr | | 10th |
| 4.12.1958 | Preliminary Nassau TT [GT2.0] | 22 | Giulietta Spider | Carl Dorr | | 5th |
| 4.12.1958 | Preliminary Nassau TT [GT2.0] | 70 | Giulietta | Steve McClellan | | 9th |
| 4.12.1958 | Preliminary Nassau TT [GT2.0] | 78 | Giulietta | Allen Markelson | | raced |
| 4.12.1958 | Preliminary Nassau TT [GT2.0] | 79 | Giulietta Spider Veloce | Louis Comito | | 3rd |
| 4.12.1958 | Nassau TT | 79 | Giulietta Spider Veloce | Louis Comito | | 8th |
| 4.12.1958 | Preliminary Nassau TT [GT2.0] | 85 | Giulietta | Robert Keyes | | raced |
| 4.12.1958 | Nassau TT | 85 | Giulietta | Keyes / Anderson | | raced |
| 5.12.1958 | Preliminary Governor's Trophy [S2.0] | 22 | Giulietta Spider | Carl Dorr | | raced |
| 5.12.1958 | Governor's Trophy | 22 | Giulietta Spider | Carl Dorr | | raced |
| 5.12.1958 | Preliminary Governor's Trophy [S2.0] | 79 | Giulietta Spider Veloce | Louis Comito | | raced |
| 5.12.1958 | Preliminary Governor's Trophy [S2.0] | | Giulietta | | | raced |
| 6.12.1958 | Nassau [Locals] | 36N | Giulietta | Sydney Oakes | | DNF |
| 6.12.1958 | Nassau [Ladies] | 79 | Giulietta Spider Veloce | Pinkie Windridge | Wynn Kramarsky | 9th |
| 7.12.1958 | Nassau Trophy | 22 | Giulietta Spider | Carl Dorr | | 13th |
| 7.12.1958 | Nassau Trophy | 37N | Giulietta Veloce | Joe Cologero | | DNA |
| 7.12.1958 | Nassau Trophy | 51 | Giulietta Veloce | Tom O'Brien | | DNS |
| 7.12.1958 | Nassau Trophy | 70 | Giulietta | Steve McClellan | | 15th |
| 7.12.1958 | Nassau Trophy | 78 | Giulietta | Allen Markelson | | raced |
| 7.12.1958 | Nassau Memorial Trophy | 78 | Giulietta | Allen Markelson | | DNF |
| 7.12.1958 | Nassau Trophy | 79 | Giulietta Spider Veloce | Wynn Kramarsky | Wynn Kramarsky | 14th |
| 7.12.1958 | Nassau Trophy | | Giulietta | Charles Bettmann | | DNA |