| 27.2.1955 | GP Agadir [S+2.0] | 1 | 750 Monza Scaglietti Spyder | François Picard | François Picard | 4th |
| 27.2.1955 | National Mar del Plata | 4 | 250 MM Pinin Farina Berlinetta | Alberto Rodriguez-Larreta | | 6th |
| 27.2.1955 | Preliminary Fort Pierce [BM+CM+DM+EM+CP+DP] | 6 | 340 America Vignale Spyder | Ed Lunken | | 6th |
| 27.2.1955 | GP Agadir [S+2.0] | 9 | 750 Monza Scaglietti Spyder | "Mike Sparken" | Scuderia Los Amigos | 1st |
| 27.2.1955 | GP Agadir [S+2.0] | 10 | 750 Monza Scaglietti Spyder | Piero Carini | Piero Carini | DNF |
| 27.2.1955 | Preliminary Fort Pierce [BM+CM+DM+EM+CP+DP] | 14 | 375 MM | Jack Rutherford | | 8th |
| 27.2.1955 | National Mar del Plata | 18 | 625 TF Vignale Spyder | Luis Milán | | 2nd |
| 27.2.1955 | GP Agadir [S2.0] | 23 | 500 Mondial Scaglietti Spyder Series II | Mario Della Favera | Mario Della Favera | 1st |
| 27.2.1955 | Preliminary Fort Pierce [BM+CM+DM+EM+CP+DP] | 44 | 500 Mondial Scaglietti Spyder Series I | Bob Said | | 3rd |
| 27.2.1955 | SCCA National Fort Pierce [BM+CM+DM+EM+CP+DP] | 48 | 375 MM | Carroll Shelby | A. Guiberson | 2nd |
| 27.2.1955 | National Mar del Plata | | 375 Plus Pinin Farina Spyder | Enrique Saenz Valiente | | 1st |
| 27.2.1955 | National Mar del Plata | | 212 Export Motto Spyder | Oscar Camaňo | | 3rd |
| 27.2.1955 | GP Agadir [S2.0] | | | François Picard | | DNF |
| 27.2.1955 | GP Agadir [S2.0] | | 500 Mondial Pinin Farina Berlinetta | Clemente Ravetto | | DNF |
| 2.3.1955 | Fredenloppet | | 500 Mondial Pinin Farina Spyder | Valdemar Stener | | raced |
| 6.3.1955 | GP Maracana | 3 | 750 Monza | Vasco Sameiro | | 1st |
| 6.3.1955 | Giornata dei Primati | | 250 MM Vignale Spyder | Inico Bernabei | | 1st |
| 13.3.1955 | 12 h Sebring | 7 | 375 Plus | Kimberly / Lunken | James Kimberly | DNF |
| 13.3.1955 | 12 h Sebring | 10 | 375 MM | Shakespeare / Lippmann | J. W. Shakespeare | DNF |
| 13.3.1955 | 12 h Sebring | 11 | 375 MM | McAfee / Drake | Tony Parravano | DNF |
| 13.3.1955 | 12 h Sebring | 12A | 340 America | Morales / Munoz | Chester J. Flynn | DNS |
| 13.3.1955 | GP Dakar | 20 | 750 Monza Scaglietti Spyder | "Mike Sparken" | "Mike Sparken" | DNF |
| 13.3.1955 | GP Dakar | 21 | 750 Monza Scaglietti Spyder | Jean Lucas | Scuderia Los Amigos | 7th |
| 13.3.1955 | GP Dakar | 22 | 750 Monza Scaglietti Spyder | François Picard | | DNF |
| 13.3.1955 | GP Dakar | 23 | 750 Monza Scaglietti Spyder | Piero Carini | Piero Carini | 1st |
| 13.3.1955 | 12 h Sebring | 23 | 750 Monza | John von Neumann | Johnny von Neumann | DNA |
| 13.3.1955 | 12 h Sebring | 24 | 750 Monza Scaglietti Spyder | McAfee / Wheeler | Wm. H. Doheny | DNF |
| 13.3.1955 | GP Dakar | 24 | 750 Monza | Luigi Piotti | | DNF |
| 13.3.1955 | National Buenos Aires | 24 | 625 TF Vignale Spyder | Luis Milán | | 2nd |
| 13.3.1955 | GP Dakar | 25 | 750 Monza Scaglietti Spyder Series I | Casimiro de Oliveira | | DNS |
| 13.3.1955 | 12 h Sebring | 25 | 750 Monza Scaglietti Spyder Series I | Hill / Shelby | Allen Guiberson | 2nd |
| 13.3.1955 | GP Dakar | 26 | 500 Mondial Scaglietti Spyder Series II | Mario Della Favera | | DNS |
| 13.3.1955 | 12 h Sebring | 26 | 750 Monza | de Portago / Maglioli | Marquis de Portago | DNF |
| 13.3.1955 | GP Dakar | 27 | 750 Monza Scaglietti Spyder | Jacques Swaters | Equipe Nationale Belge | 5th |
| 13.3.1955 | 12 h Sebring | 27 | 750 Monza | Said / Gregory | Ecurie Yankee | DNF |
| 13.3.1955 | GP Dakar | 28 | 166 MM Touring Barchetta | Oreste Mantovani | | 11th |
| 13.3.1955 | 12 h Sebring | 28 | 750 Monza Scaglietti Spyder | Taruffi / Schell | Luigi Chinetti | 5th |
| 13.3.1955 | 12 h Sebring | 29 | 750 Monza | Edwards / Daigh | Manfredo Lippmann | DNF |
| 13.3.1955 | 12 h Sebring | 29T | 250 Monza Scaglietti Spyder | Edwards / Flynn | Manfredo Lippmann | DNS |
| 13.3.1955 | GP Dakar | 37 | 750 Monza Scaglietti Spyder | Louis Rosier | Louis Rosier | 2nd |
| 13.3.1955 | GP Dakar | 38 | 750 Monza Scaglietti Spyder | Paul Maret | | 8th |
| 13.3.1955 | 12 h Sebring | 50 | 500 Mondial Scaglietti Spyder Series I | Palmer-Morewood / Derujinsky / Gregory | Ecurie Yankee | 43rd |
| 13.3.1955 | 12 h Sebring | 53 | 500 Mondial | Rubirosa / Niday | Porfirio Rubirosa | DNF |
| 13.3.1955 | National Buenos Aires | | | Reyes | | 6th |
| 13.3.1955 | National Buenos Aires | | 212 Export Motto Spyder | Oscar Camaňo | | 8th |
| 13.3.1955 | National Buenos Aires | | 375 MM | Carlos Najurieta | | 1st |
| 13.3.1955 | 12 h Sebring | | | | Jim Kimberly | DNA |
| 13.3.1955 | 12 h Sebring | | 375 MM Vignale | Erwin Goldschmidt | Erwin Goldschmidt | DNA |
| 13.3.1955 | 12 h Sebring | | 500 Mondial | Tappan / Magenheimer | Robert E. Tappan | DNA |
| 13.3.1955 | 12 h Sebring | | 250 MM | Publicker / Kousar | Robt. Publicker | DNA |
| 19.3.1955 | Coppa Felice Bonetto | | | Cornacchia | | 1st |
| 19.3.1955 | Coppa Felice Bonetto | | | Moroni | | 2nd |
| 20.3.1955 | SCCA Regional Stockton [S+1.5] | 106 | 340 Mexico | George Sawyer | | DNS |
| 20.3.1955 | SCCA Regional Stockton [Ladies+FIII] | | 500 Mondial | Josie von Neumann | | DNS |
| 20.3.1955 | Novice Stockton [Modified 1.5] | | 212 Inter Ghia Coupe | Flaherty | | DQ |
| 26.3.1955 | Preliminary Palm Springs [Modified +3.0] | 2 | 750 Monza Scaglietti Spyder Series I | Phil Hill | Phil Hill | DNA |
| 26.3.1955 | Preliminary Palm Springs [Modified 3.0] | 3 | 500 Mondial | Bruce Kessler | Tony Parravano | DNA |
| 26.3.1955 | Preliminary Palm Springs [Modified +3.0] | 98 | 340 America | Metzger / McAfee | John Edgar | DNA |
| 26.3.1955 | Preliminary Palm Springs [Modified +3.0] | 211 | 375 MM | Jack McAfee | Tony Parravano | 3rd |
| 27.3.1955 | Main Palm Springs [S+1.5] | 2 | 750 Monza Scaglietti Spyder Series I | Phil Hill | Phil Hill | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 3 | 500 Mondial | Bruce Kessler | Tony Parravano | DNS |
| 27.3.1955 | Coupes de Vitesse | 32 | 166 C Cycle Wing | Victor Polledry | | raced |
| 27.3.1955 | Main Palm Springs [S+1.5] | 98 | 340 America | George Metzger | John Edgar | raced |
| 27.3.1955 | Main Palm Springs [S+1.5] | 211 | 375 MM | Jack McAfee | Tony Parravano | 1st |
| 2.4.1955 | British Empire Trophy | 47 | 750 Monza | Luigi Piotti | L. Piotti | DNQ |
| 2.4.1955 | British Empire Trophy | 48 | 750 Monza Scaglietti Spyder | "Mike Sparken" | "Mike Sparken" | DNF |
| 3.4.1955 | National Rosario | 8 | 625 TF Vignale Spyder | Luis Milán | | 8th |
| 3.4.1955 | National Rosario | 26 | 212 Export Motto Spyder | Oscar Camaňo | | 5th |
| 3.4.1955 | Giro di Sicilia | 405 | | Diaferia | | DNA |
| 3.4.1955 | Giro di Sicilia | 407 | 500 Mondial Scaglietti Spyder Series II | Mario Della Favera | Mario Della Favera | 4th |
| 3.4.1955 | Giro di Sicilia | 412 | | Placido | | DNA |
| 3.4.1955 | Giro di Sicilia | 413 | 500 Mondial Scaglietti Spyder Series II | Leto di Priolo | | DNA |
| 3.4.1955 | Giro di Sicilia | 414 | | Benzoni | | DNA |
| 3.4.1955 | Giro di Sicilia | 428 | 195 S Matrullo | Francesco Matrullo | | raced |
| 3.4.1955 | Giro di Sicilia | 437 | 750 Monza | Luigi Bordonaro | Scuderia Ferrari | 19th |
| 3.4.1955 | Giro di Sicilia | 438 | 118 LM Scaglietti Spyder | Piero Taruffi | Scuderia Ferrari | 1st |
| 3.4.1955 | Giro di Sicilia | 439 | 212 Export | Ilfo Minzoni | | raced |
| 3.4.1955 | Giro di Sicilia | 441 | | Carini | | DNA |
| 3.4.1955 | Giro di Sicilia | 444 | 250 MM | Vittorio Colocci | | 16th |
| 3.4.1955 | Giro di Sicilia | 445 | | Domenico Tramontana | | DNA |
| 3.4.1955 | Giro di Sicilia | 446 | | Scaminaci | | DNA |
| 3.4.1955 | Giro di Sicilia | 447 | 118 LM Scaglietti Spyder | Umberto Maglioli | Scuderia Ferrari | 2nd |
| 3.4.1955 | National Rosario | | 375 Plus Pinin Farina Spyder | Enrique Saenz Valiente | | 1st |
| 3.4.1955 | National Rosario | | 375 MM | Carlos Najurieta | | 2nd |
| 12.4.1955 | Goodwood Easter [S+2.0] | 81 | 750 Monza Scaglietti Spyder | "Mike Sparken" | "Mike Sparken" | 2nd |
| 12.4.1955 | Goodwood Easter [S2.0] | 99 | | Hans Davids | H. Davids | DNA |
| 12.4.1955 | Goodwood Easter [S+2.0] | 118 | 750 Monza | Luigi Piotti | L. Piotti | DNF |
| 17.4.1955 | SCCA National Pebble Beach [BM+CM+DM+EM] | 2 | 750 Monza Scaglietti Spyder Series I | Phil Hill | Allen Guiberson | 1st |
| 17.4.1955 | Coupes de Paris | 30 | 750 Monza | Luigi Piotti | | 5th |
| 17.4.1955 | National Buenos Aires | | 375 Plus Pinin Farina Spyder | Enrique Saenz Valiente | | 2nd |
| 17.4.1955 | National Buenos Aires | | | Reyes | | 5th |
| 17.4.1955 | Coupes de Paris | | 375 GP | Alfonso de Portago | Rosier | 4th |
| 17.4.1955 | Coupes de Paris [S/GT/T2.0] | | 166 C Cycle Wing | Victor Polledry | | 5th |
| 17.4.1955 | Coupes de Paris | | 750 Monza Scaglietti Spyder | François Picard | | 3rd |
| 17.4.1955 | SCCA National Pebble Beach [BM+CM+DM+EM] | | 750 Monza Scaglietti Spyder | Sterling Edwards | Sterling Edwards | 2nd |
| 17.4.1955 | National Buenos Aires | | 375 MM | Carlos Najurieta | | 1st |
| 30.4.1955 | Coppa Montjuich [S+2.6] | 63 | | Joaquim Felipe Nogueira | | DNA |
| 30.4.1955 | Coppa Montjuich [S+2.6] | 95 | 750 Monza | Willie Daetwyler | | 1st |
| 30.4.1955 | National Ibsley [Formula Libre] | 157 | | Dick Cobden | | DNF |
| 30.4.1955 | Zürich | | 750 Monza | Willie Daetwyler | | 1st |