| 26.6.1955 | GP Portugal | 1 | 735 Monza Pinin Farina Spyder | Herbert Mackay-Fraser | Herbert McKay Frazer | DNS |
| 26.6.1955 | GP Portugal | 10 | 750 Monza Scaglietti Spyder Series I | Casimiro de Oliveira | Casimiro D' Oliveiro | DNF |
| 26.6.1955 | GP Portugal | 14 | 500 Mondial Scaglietti Spyder Series II | Fernando de Mascarenhas | | DNF |
| 26.6.1955 | GP Portugal | 16 | 750 Monza Scaglietti Spyder | Louis Rosier | Louis Rosier | 6th |
| 26.6.1955 | GP Portugal | 17 | 750 Monza | Jean Estager | Jean Estager | DNF |
| 26.6.1955 | GP Portugal | 18 | 750 Monza | Masten Gregory | | 2nd |
| 26.6.1955 | GP Portugal | 22 | 250 MM | Antonio Borges Barreto | Antonio Borges Barreto | 7th |
| 26.6.1955 | GP Portugal | | 750 Monza Scaglietti Spyder | Jacques Swaters | Ecurie Francorchamps | DNS |
| 26.6.1955 | GP Portugal | | 750 Monza | Vasco Sameiro | | DNS |
| 26.6.1955 | GP Portugal | | 750 Monza | Johnny Claes | Ecurie Francorchamps | DNS |
| 3.7.1955 | Milwaukee [BM+CM+DM+EM+CP+DP+EP] | 44 | 500 Mondial | Robert Tappan | | ?th |
| 3.7.1955 | Milwaukee [BM+CM+DM+EM+CP+DP+EP] | 45 | 212 Export | John Shakespeare | | ?th |
| 4.7.1955 | SCCA National Beverly [BM+CM+DM+EM+CP] | 3 | 750 Monza Scaglietti Spyder | Phil Hill | George Tilp | 1st |
| 4.7.1955 | Preliminary Beverly [BM+CM+DM+EM] | 3 | 750 Monza Scaglietti Spyder | Phil Hill | George Tilp | 1st |
| 4.7.1955 | SCCA National Beverly [BM+CM+DM+EM+CP] | 5 | 375 MM Pinin Farina Spyder | Jim Kimberly | Jim Kimberly | 2nd |
| 4.7.1955 | Preliminary Beverly [BM+CM+DM+EM] | 5 | 375 MM Pinin Farina Spyder | Jim Kimberly | Jim Kimberly | 2nd |
| 4.7.1955 | SCCA National Beverly [BM+CM+DM+EM+CP] | 5T | 375 Plus | Jim Kimberly | | T-car |
| 4.7.1955 | SCCA National Beverly [BM+CM+DM+EM+CP] | 6 | 340 MM | Ed Lunken | | DNS |
| 4.7.1955 | SCCA National Beverly [BM+CM+DM+EM+CP] | 14 | 375 MM | Duncan Black | | 3rd |
| 4.7.1955 | Preliminary Beverly [BM+CM+DM+EM] | 14 | 375 MM | Duncan Black | | DNF |
| 4.7.1955 | SCCA National Beverly [BM+CM+DM+EM+CP] | 53 | 500 Mondial | Jim Pauley | | 7th |
| 4.7.1955 | Preliminary Beverly [BM+CM+DM+EM] | 53 | 500 Mondial | Jim Pauley | | 7th |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 1 | 375 MM | Tom Bamford | | DNF |
| 10.7.1955 | GP Independenzia | 6 | 625 TF Vignale Spyder | Luis Milán | | 3rd |
| 10.7.1955 | GP Independenzia | 20 | 250 MM Pinin Farina Berlinetta | Alberto Rodriguez-Larreta | | 4th |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 20 | 375 MM | Carroll Shelby | Gordon Guiberson | 1st |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 26 | 750 Monza Scaglietti Spyder | Sterling Edwards | Sterling Edwards | DNA |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 40 | 375 MM | Dabney Collins | Danby Collins | 4th |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 98 | 375 Plus | Jack McAfee | 'Tony' Paravano | DNA |
| 10.7.1955 | Preliminary Torrey Pines [Ladies+FIII] | 112 | 500 Mondial | Josie von Neumann | | 1st |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 112 | 500 Mondial | Josie von Neumann | | 10th |
| 10.7.1955 | Coppa d'Oro delle Dolomiti | 128 | 500 Mondial | Gino Casarotto | | DNF |
| 10.7.1955 | Coppa d'Oro delle Dolomiti | 131 | 500 Mondial | Umberto Maglioli | | 6th |
| 10.7.1955 | Coppa d'Oro delle Dolomiti | 138 | 750 Monza Scaglietti Spyder | Eugenio Castellotti | Scuderia Ferrari | 2nd |
| 10.7.1955 | SCCA National Torrey Pines [S+1.5] | 211 | 750 Monza Scaglietti Spyder | von Neumann / Hill | John Von Neumann | 2nd |
| 10.7.1955 | GP Independenzia | | 375 Plus Pinin Farina Spyder | Enrique Saenz Valiente | | 1st |
| 10.7.1955 | GP Independenzia | | 375 MM | Carlos Najurieta | | 2nd |
| 17.7.1955 | Circuito di Reggio Calabria [S2.0] | 88 | 500 Mondial Scaglietti Spyder Series II | Gino Munaron | | 4th |
| 17.7.1955 | Circuito di Reggio Calabria [S2.0] | 90 | 500 Mondial | João Rozende Dos Santos | | 3rd |
| 17.7.1955 | Circuito di Reggio Calabria [S2.0] | | | Chico Landi | | DNF |
| 17.7.1955 | Circuito di Reggio Calabria [S2.0] | | 500 Mondial | Franco Cornacchia | | 6th |
| 24.7.1955 | 10 h Messina | 6 | 750 Monza Scaglietti Spyder | Trintignant / Castellotti | Scuderia Ferrari | 1st |
| 24.7.1955 | Circuito de Lisboa | 10 | 250 Monza Pinin Farina Spyder | Hans Tak | | 9th |
| 24.7.1955 | 10 h Messina | 10 | 750 Monza | Bordonaro / Piotti | | raced |
| 24.7.1955 | Circuito de Lisboa | 11 | 750 Monza | Masten Gregory | | 1st |
| 24.7.1955 | Circuito de Lisboa | 12 | 750 Monza | Willie Daetwyler | Willy-Peter Daetwyler | 4th |
| 24.7.1955 | Circuito de Lisboa | 14 | 750 Monza | Jacques Jonneret | Jacques Jonneret | DNF |
| 24.7.1955 | Circuito de Lisboa | 15 | 750 Monza | Francisco Godia-Sales | | 3rd |
| 24.7.1955 | 10 h Messina | 16 | 500 Mondial Scaglietti Spyder | Cornacchia / Rossi | | 6th |
| 24.7.1955 | Circuito de Lisboa | 16 | 750 Monza Scaglietti Spyder | Jean Lucas | | DNF |
| 24.7.1955 | Circuito de Lisboa | 17 | 500 Mondial Scaglietti Spyder Series II | Fernando de Mascarenhas | Francesco Masceranhas | 6th |
| 24.7.1955 | Circuito de Lisboa | 18 | 750 Monza | José A. Nogueira Pinto | José A. Nogueira Pinto | DNF |
| 24.7.1955 | Circuito de Lisboa | 19 | 250 MM | Joaquim Felipe Nogueira | Joaquim Felipe Nogueira | 5th |
| 24.7.1955 | Circuito de Lisboa | 20 | 250 MM | Antonio Borges Barreto | Antonio Borges Barreto | 10th |
| 24.7.1955 | Circuito de Lisboa | 21 | 735 Monza Pinin Farina Spyder | Herbert Mackay-Fraser | Herbert McKay Frazer | 7th |
| 24.7.1955 | 10 h Messina | 21 | 500 Mondial | Dos Santos / Cabalén | Dos Santos | 2nd |
| 24.7.1955 | 10 h Messina | 23 | 500 Mondial Scaglietti Spyder Series II | Gino Munaron | Gino Munaron | DNF |
| 24.7.1955 | 10 h Messina | 27 | 166 MM/53 Autodromo Spyder | Benzoni / Morpurgo | Michelangelo Leonardi | raced |
| 24.7.1955 | 10 h Messina | | 750 Monza | Maglioli / Gendebien | | DNF |
| 24.7.1955 | 10 h Messina | | 500 Mondial | Mancini / Crepaldi | Gastone Crepaldi | 5th |
| 31.7.1955 | Preliminary Seafair [All Classes] | 3 | 750 Monza Scaglietti Spyder | Phil Hill | George E. Tilp | 1st |
| 31.7.1955 | SCCA National Seafair [BM+CM+DM+EM] | 3 | 750 Monza Scaglietti Spyder | Phil Hill | George E. Tilp | 2nd |
| 31.7.1955 | Preliminary Seafair [All Classes] | 18 | 375 MM | Dabney Collins | Temple Buell, Jr. | raced |
| 31.7.1955 | SCCA National Seafair [BM+CM+DM+EM] | 18 | 375 MM | Dabney Collins | Temple Buell, Jr. | raced |
| 31.7.1955 | SCCA National Seafair [BM+CM+DM+EM] | 33 | 500 Mondial | Bruce Kessler | Tony Parravano | DNA |
| 31.7.1955 | Preliminary Seafair [All Classes] | 103 | 375 Plus | Carroll Shelby | Tony Parravano | 2nd |
| 31.7.1955 | SCCA National Seafair [BM+CM+DM+EM] | 103 | 375 Plus | Carroll Shelby | Tony Parravano | 1st |
| 31.7.1955 | Preliminary Seafair [All Classes] | 120 | 375 MM | Ken Miles | Allen Guiberson | 3rd |
| 31.7.1955 | SCCA National Seafair [BM+CM+DM+EM] | 120 | 375 MM | Ken Miles | Allen Guiberson | 3rd |
| 31.7.1955 | SCCA National Seafair [BM+CM+DM+EM] | 126 | 166 MM/53 Autodromo Spyder | Pete Lovely | Pete Lovely | DNS |
| 6.8.1955 | Charterhall International [Sports] | 34 | 750 Monza Scaglietti Spyder | Louis Rosier | Louis Rosier | 2nd |
| 6.8.1955 | Charterhall International [Invitation Race] | 34 | 750 Monza Scaglietti Spyder | Louis Rosier | Louis Rosier | raced |
| 7.8.1955 | GP Sverige | 6 | 121 LM Scaglietti Spyder | Mike Hawthorn | Scuderia Ferrari | DNS |
| 7.8.1955 | GP Sverige | 7 | 121 LM Scaglietti Spyder | Eugenio Castellotti | Scuderia Ferrari | 3rd |
| 7.8.1955 | GP Sverige | 9 | 340 America Vignale Coupé | Erik Carlsson | Erik Carlsson | 8th |
| 7.8.1955 | GP Sverige [Production/GT+2.0] | 21 | 750 Monza Scaglietti Spyder | Paul Frère | Equipe Nationale Belge | DNS |
| 7.8.1955 | GP Sverige [Production/GT+2.0] | 22 | 750 Monza Scaglietti Spyder | Gunnar Carlsson | Tore Bjurström | DNF |
| 7.8.1955 | GP Sverige [Production/GT+2.0] | 27 | 375 MM | Valdemar Stener | Tore Bjurström | DNA |
| 7.8.1955 | GP Sverige [Production/GT+2.0] | 28 | 250 MM | Björn Martensson | Björn Martenson | 4th |
| 7.8.1955 | GP Sverige [Production/GT+2.0] | 29 | 250 MM Pini Farina Berlinetta | Carl Lohmander | Tore Bjurström | DNF |
| 7.8.1955 | GP Sverige [Production/GT+2.0] | 31 | 500 Mondial Pinin Farina Spyder | Valdemar Stener | Tore Bjurström | 8th |
| 7.8.1955 | Zandvoort International | 51 | 250 Monza Pinin Farina Spyder | Hans Tak | | 1st |
| 13.8.1955 | Edenvale [S2.0] | 40 | 500 Mondial | Jim Pauley | | raced |
| 13.8.1955 | 1 h Edenvale [Le Mans Handicap] | 44 | 500 Mondial Scaglietti Spyder Series I | Bob Said | | DNA |
| 13.8.1955 | Edenvale [S2.0] | 44 | 500 Mondial Scaglietti Spyder Series I | Bob Said | | DNA |
| 13.8.1955 | Edenvale [S3.0] | 45 | 212 Export | John Shakespeare | | DNA |
| 13.8.1955 | 1 h Edenvale [Le Mans Handicap] | 45 | 212 Export | John Shakespeare | | 14th |
| 14.8.1955 | Kanonloppet [Sports] | 2 | 750 Monza Scaglietti Spyder | Gunnar Carlsson | | 1st |
| 14.8.1955 | National El Bosque | 4 | 212 Export Motto Spyder | Oscar Camaňo | | 2nd |
| 14.8.1955 | National El Bosque | 6 | 625 TF Vignale Spyder | Luis Milán | | DNF |
| 14.8.1955 | Kanonloppet [Production/GT+2.0] | 15 | 250 MM | Björn Martensson | | 5th |
| 14.8.1955 | Kanonloppet [Production/GT+2.0] | 23 | 250 MM Pini Farina Berlinetta | John Kvarnström | | 2nd |
| 14.8.1955 | Snetterton International [S+1.5] | 102 | 750 Monza Scaglietti Spyder | Jean Lucas | Ec. Bullfrog | raced |
| 14.8.1955 | YVSCC Ellensburg [S+1.5/FIII] | - | | Pete Lovely | | raced |
| 14.8.1955 | National El Bosque | | 250 MM Pinin Farina Berlinetta | Alberto Rodriguez-Larreta | | raced |
| 14.8.1955 | National El Bosque | | 375 Plus Pinin Farina Spyder | Enrique Saenz Valiente | | 1st |
| 20.8.1955 | 9 h Goodwood | 6 | 750 Monza | Hawthorn / de Portago | Marquis de Portago | DNF |
| 20.8.1955 | 9 h Goodwood | 7 | 750 Monza | Jonneret / Wharton | J. Jonnneret | DNF |
| 20.8.1955 | 9 h Goodwood | 8 | 750 Monza Scaglietti Spyder | Schell / Lucas | H. Schell | DNF |
| 21.8.1955 | Giro delle Calabria | | 500 Mondial Scaglietti Spyder Series II | Antonio Pucci | | raced |