| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 5 | 121 LM Scaglietti Spyder | Jim Kimberly | James H. Kimberly | DNS |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 6 | 750 Monza | Ed Lunken | Edmond P. Lunken | DNF |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 18 | 250 MM | Richard Lyeth | J. M. R. Lyeth, Jr. | DNA |
| 16.10.1955 | Targa Florio | 100 | 750 Monza | Piotti / Cornacchia | | DNF |
| 16.10.1955 | Targa Florio | 110 | 750 Monza | Shelby / Munaron | Scuderia Ferrari | DNF |
| 16.10.1955 | Targa Florio | 116 | 857 Sport | Castellotti / Manzon | Scuderia Ferrari | 3rd |
| 22.10.1955 | 6 h Torrey Pines | 68 | Spyder | Hall / Curtis | Terry Hall | 16th |
| 22.10.1955 | 6 h Torrey Pines | 177 | 375 MM | Buell / Collins | Temple Buell | DNA |
| 23.10.1955 | Torrey Pines [S+1.5] | 29 | 166 MM/53 Scaglietti Spyder | Harvey Mayer | Gary B. Laughlin | DNA |
| 23.10.1955 | Torrey Pines [S+1.5] | 67 | Spyder | Terry Hall | Terry Hall | DNF |
| 23.10.1955 | Torrey Pines [S+1.5] | 76 | 750 Monza Scaglietti Spyder | Ernie McAfee | Wm. Doheny | DNA |
| 23.10.1955 | Torrey Pines [S+1.5] | 98 | 375 Plus Scaglietti Spyder | Jack McAfee | John Edgar | 3rd |
| 23.10.1955 | Torrey Pines [S+1.5] | 108 | | Lou Brero | Louis Brero | DNA |
| 23.10.1955 | Torrey Pines [S+1.5] | 177 | 375 MM | Dabney Collins | Temple Buell | DNA |
| 30.10.1955 | SCCA National Sacramento [BM+CM+DM+EM] | 2 | 750 Monza Scaglietti Spyder | Phil Hill | John von Neumann | 1st |
| 30.10.1955 | SCCA National Sacramento [BM+CM+DM+EM] | 128 | 166 MM/53 Autodromo Spyder | Pete Lovely | | 10th |
| 6.11.1955 | GP Venezuela | 2 | 857 Sport | Eugenio Castellotti | Equipo Ferrari | DNF |
| 6.11.1955 | GP Venezuela | 4 | 121 LM Scaglietti Spyder | Umberto Maglioli | Equipo Ferrari | DNF |
| 6.11.1955 | GP Venezuela | 6 | 121 LM Scaglietti Spyder | Phil Hill | John Von Neumann | DNF |
| 6.11.1955 | GP Venezuela | 8 | 500 Mondial Scaglietti Spyder Series II | Schell / Castellotti | Equipo Ferrari | 5th |
| 6.11.1955 | GP Venezuela | 10 | 750 Monza | Alfonso de Portago | Marquis de Portago | 2nd |
| 6.11.1955 | GP Venezuela | 12 | 750 Monza Scaglietti Spyder | Piero Carini | Equipo S. Ambroeus | 4th |
| 6.11.1955 | GP Venezuela | 14 | 250 MM | Chico Landi | Equipo Guastalla | DNF |
| 6.11.1955 | GP Macau | 14 | 500 Mondial Scaglietti Spyder Series II | Mário Lopez da Costa | | DNF |
| 6.11.1955 | GP Venezuela | 16 | 750 Monza Scaglietti Spyder | Emmanuel de Graffenried | Emmanuel De Graffenried | 3rd |
| 6.11.1955 | GP Venezuela | 42 | 750 Monza | Julio Pola | Equipo Madunina | DNF |
| 6.11.1955 | GP Venezuela | 44 | 500 Mondial | Ramón Lopez | Equipo Madunina | 10th |
| 6.11.1955 | GP Venezuela | 46 | 500 Mondial Scaglietti Spyder Series I | Said / Munoz | Bob Said | DNF |
| 6.11.1955 | GP Venezuela | 50 | 500 Mondial | Cornacchia / Chimeri | Equipo Guastalla | DNF |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 2 | 750 Monza Scaglietti Spyder | Phil Hill | Eleanor von Neumann | 1st |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 75 | 166 MM Spyder | Terry Hall | Terry Hall | 16th |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 76 | 121 LM Scaglietti Spyder | Ernie McAfee | William Doheny | 2nd |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 98 | 375 Plus Scaglietti Spyder | Jack McAfee | John Edgar | 3rd |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 111 | 750 Monza Scaglietti Spyder | John von Neumann | John von Neumann | 6th |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 112 | 500 Mondial | Josie von Neumann | Josie von Neumann | 13th |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 167 | 750 Monza Scaglietti Spyder | Ernie McAfee | William Doheny | DNA |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 311 | 500 Mondial | Richie Ginther | Manning J. Post | 7th |
| 3.12.1955 | Preliminary Palm Springs [DM+EM+FL] | 26 | 750 Monza Scaglietti Spyder | Sterling Edwards | | 3rd |
| 3.12.1955 | Preliminary Palm Springs [DM+EM+FL] | 76 | 750 Monza Scaglietti Spyder | Ernie McAfee | Bill Doheny | 1st |
| 3.12.1955 | Preliminary Palm Springs [DM+EM+FL] | 82 | 166 MM/53 Scaglietti Spyder | Gary Laughlin | | 4th |
| 3.12.1955 | Preliminary Palm Springs [DM+EM+FL] | 107 | 166 MM/53 | Jack Brumby | | 7th |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 176 | 121 LM Scaglietti Spyder | Ernie McAfee | William Doheny | 1st |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 208 | 375 Plus | Carroll Shelby | Scuderia Parravano | DNF |
| 3.12.1955 | Preliminary Palm Springs [DM+EM+FL] | 210 | 340 America | Bob Drake | | DNF |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 210 | 340 America | Bob Drake | | DNF |
| 4.12.1955 | Main Palm Springs [S+1.5] | 26 | 750 Monza Scaglietti Spyder | Sterling Edwards | | DNF |
| 4.12.1955 | Main Palm Springs [S+1.5] | 76 | 750 Monza Scaglietti Spyder | Ernie McAfee | Bill Doheny | 2nd |
| 4.12.1955 | Main Palm Springs [S+1.5] | 208 | 375 Plus | Carroll Shelby | Scuderia Parravano | DNS |
| 9.12.1955 | Governor's Trophy | 4 | 375 MM | Duncan Black | Duncan Black | 7th |
| 9.12.1955 | Governor's Trophy | 5 | 121 LM Scaglietti Spyder | Jim Kimberly | Jim Kimberly | 5th |
| 9.12.1955 | Governor's Trophy | 8 | 225 S | Robert Williams | | 27th |
| 9.12.1955 | Governor's Trophy | 13 | 750 Monza | Alfonso de Portago | Marquis de Portago | 1st |
| 9.12.1955 | Governor's Trophy | 15 | 750 Monza | Ed Lunken | Edmund Lunken | 18th |
| 9.12.1955 | Governor's Trophy | 21 | 500 Mondial Scaglietti Spyder Series II | Porfirio Rubirosa | Porfirio Rubirosa | 25th |
| 9.12.1955 | Nassau [Production +2.0] | 23 | 250 GT Europa Farina Coupe | Alfonso de Portago | Alfonso de Portago | 4th |
| 9.12.1955 | Governor's Trophy | 23 | 250 GT Europa Farina Coupe | Gleb Derujinsky | Alfonso de Portago | 56th |
| 9.12.1955 | Governor's Trophy | 24 | 212 Export | John Shakespeare | John Shakespeare | 39th |
| 9.12.1955 | Governor's Trophy | 33 | 750 Monza Scaglietti Spyder | Phil Hill | George Tilp | 2nd |
| 9.12.1955 | Governor's Trophy | 47 | 375 MM | Dabney Collins | | 10th |
| 9.12.1955 | Governor's Trophy | 92 | 500 Mondial | Paul Norair | Paul Norair | 29th |
| 9.12.1955 | Governor's Trophy | 98 | 375 Plus Scaglietti Spyder | Jack McAfee | John Edgar | 46th |
| 9.12.1955 | Governor's Trophy | 108 | 375 MM | Lou Brero | Dabney Collins | 4th |
| 9.12.1955 | Governor's Trophy | 171 | 375 Plus | Howard Hively | Howard Hively | 9th |
| 9.12.1955 | Governor's Trophy | | 500 Mondial Scaglietti Spyder Series I | Bob Said | Bob Said | 57th |
| 10.12.1955 | Nassau [Ferrari] | 4 | 375 MM | Duncan Black | Duncan Black | 8th |
| 10.12.1955 | Speed Trials | 4 | 375 MM | Duncan Black | Duncan Black | 3rd |
| 10.12.1955 | Nassau [Ferrari] | 5 | 121 LM Scaglietti Spyder | Jim Kimberly | Jim Kimberly | 7th |
| 10.12.1955 | Nassau [Ferrari] | 6 | 375 MM | Dale Duncan | | 4th |
| 10.12.1955 | Nassau [Ferrari] | 8 | 225 S | Robert Williams | | 10th |
| 10.12.1955 | Nassau [Ferrari] | 13 | 750 Monza | Alfonso de Portago | Marquis de Portago | 1st |
| 10.12.1955 | Nassau [Ferrari] | 15 | 750 Monza | Masten Gregory | Edmund Lunken | 6th |
| 10.12.1955 | Speed Trials | 20 | 857 Sport | Phil Hill | Luigi Chinetti | 4th |
| 10.12.1955 | Nassau [Ferrari] | 20 | 857 Sport | Phil Hill | Luigi Chinetti | 2nd |
| 10.12.1955 | Nassau [Ferrari] | 21 | 500 Mondial Scaglietti Spyder Series II | Porfirio Rubirosa | Porfirio Rubirosa | 12th |
| 10.12.1955 | Nassau [Ferrari] | 24 | 212 Export | Red Byron | John Shakespeare | 9th |
| 10.12.1955 | Nassau [Ferrari] | 92 | 500 Mondial | Oliver Schmidt | Paul Norair | 11th |
| 10.12.1955 | Nassau [Ferrari] | 98 | 375 Plus Scaglietti Spyder | Jack McAfee | John Edgar | 5th |
| 10.12.1955 | Nassau [Ferrari] | 108 | 375 MM | Lou Brero | Dabney Collins | 3rd |
| 11.12.1955 | Nassau Trophy | 4 | 375 MM | Duncan Black | Duncan Black | 42nd |
| 11.12.1955 | Nassau Trophy | 5 | 121 LM Scaglietti Spyder | Jim Kimberly | Jim Kimberly | 6th |
| 11.12.1955 | Nassau Trophy | 6 | 375 MM | Dale Duncan | | 7th |
| 11.12.1955 | Nassau Trophy | 8 | 225 S | Robert Williams | | 36th |
| 11.12.1955 | Nassau Trophy | 13 | 750 Monza | Alfonso de Portago | Marquis de Portago | 2nd |
| 11.12.1955 | Nassau Trophy | 20 | 500 Mondial | Luigi Chinetti | Luigi Chinetti | DNA |
| 11.12.1955 | Nassau Trophy | 20 | 857 Sport | Phil Hill | Luigi Chinetti | 1st |
| 11.12.1955 | Nassau Trophy | 21 | 500 Mondial Scaglietti Spyder Series II | Ed Lunken | Porfirio Rubirosa | 15th |
| 11.12.1955 | Nassau Trophy | 23 | | Bob Said | | DNA |
| 11.12.1955 | Nassau Trophy | 23 | 250 GT Europa Farina Coupe | Gleb Derujinsky | Alfonso de Portago | 17th |
| 11.12.1955 | Nassau Trophy | 24 | 212 Export | John Shakespeare | John Shakespeare | 16th |
| 11.12.1955 | Nassau Trophy | 47 | 375 MM | Dabney Collins | | 53rd |
| 11.12.1955 | Nassau Trophy | 80 | 750 Monza Scaglietti Spyder | Jean Lucas | | DNA |
| 11.12.1955 | Nassau Trophy | 90 | 500 Mondial | Liggett Crim, Jr. | Liggett Crim, Jr. | DNA |
| 11.12.1955 | Nassau Trophy | 92 | 500 Mondial | Oliver Schmidt | Paul Norair | 23rd |
| 11.12.1955 | Nassau Trophy | 96 | | Carroll Shelby | | DNA |
| 11.12.1955 | Nassau Trophy | 98 | 375 Plus Scaglietti Spyder | Jack McAfee | John Edgar | 5th |
| 11.12.1955 | Nassau Trophy | 108 | 375 MM | Lou Brero | Dabney Collins | 41st |
| 11.12.1955 | Nassau Trophy | 171 | 375 Plus | Howard Hively | Howard Hively | 56th |
| 26.12.1955 | BRSCC Brands Hatch [Sports] | 26 | 735 Monza Pinin Farina Spyder | Herbert Mackay-Fraser | | 4th |