| 13.2.1955 | Willow Springs [Modified 1.5] | 55 | Spider | Bruce Kessler | Paul Steils | DNA |
| 27.2.1955 | Preliminary Fort Pierce [FM+GM+HM+FP] | 2 | | Isabelle Haskell | | 4th |
| 27.2.1955 | SCCA National Fort Pierce [FM+GM+HM+FP] | 2 | | Isabelle Haskell | | DNF |
| 27.2.1955 | SCCA National Fort Pierce [FM+GM+HM+FP] | 182 | | Howard Hanna | | 10th |
| 27.2.1955 | Preliminary Fort Pierce [FM+GM+HM+FP] | 182 | | Howard Hanna | | 8th |
| 13.3.1955 | 12 h Sebring | 82 | 300BC | Conley / Thorpe | Austin L. Conley | DNF |
| 13.3.1955 | 12 h Sebring | 84 | 300BC | Penn / Wierdon | John S. Penn | 31st |
| 13.3.1955 | 12 h Sebring | 100 | 208CS Balbo | Pauley / Michaels | James E. Pauley | DNF |
| 19.3.1955 | Coppa Felice Bonetto | | | Drago | | 6th |
| 20.3.1955 | Novice Stockton [Modified 1.1] | | | Golangelo | | 13th |
| 26.3.1955 | Preliminary Palm Springs [Modified 3.0] | 29 | 208S | Geo. Putnam | Geo. Putnam | raced |
| 26.3.1955 | Preliminary Palm Springs [Modified 1.5] | 48 | Spider | Jack Duff | Jack Duff | raced |
| 26.3.1955 | Preliminary Palm Springs [Production +1.5] | 175 | 208S | Phil Moore | Phil Moore | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 29 | 208S | Geo. Putnam | Geo. Putnam | raced |
| 27.3.1955 | Coupes de Vitesse | 34 | 208S | Jean Terrail | | raced |
| 27.3.1955 | Main Palm Springs [S1.5] | 48 | Spider | Jack Duff | Jack Duff | raced |
| 27.3.1955 | Main Palm Springs [S+1.5] | 175 | 208S | Phil Moore | Phil Moore | DNA |
| 3.4.1955 | Giro di Sicilia | 112 | SC750 | Francesco Sartarelli | | raced |
| 17.4.1955 | Coupes de Paris [S/GT/T2.0] | 9 | 208S | Jean Terrail | | raced |
| 24.4.1955 | SCCA Regional Thompson [GM+HM] | 31 | 300BC Spider | Antonio Pompeo | | 4th |
| 24.4.1955 | SCCA Regional Thompson [GM+HM] | 32 | 300BC Spider | John Norwood | | 5th |
| 24.4.1955 | SCCA Regional Thompson [GM+HM] | 76 | 300BC Spider | Charles Rutan | | 2nd |
| 1.5.1955 | Mille Miglia | 006 | 750 | Vielmi / Loda | | DNF |
| 1.5.1955 | Mille Miglia | 023 | 750 | Romei / Brunacci | | DNF |
| 1.5.1955 | Mille Miglia | 025 | 300BC | Alberto Drago | | DNF |
| 1.5.1955 | Mille Miglia | 027 | SC750 | Maggiorello Maggiorelli | | DNF |
| 1.5.1955 | Mille Miglia | 044 | 750 | Fenocchio / Perron | | DNF |
| 1.5.1955 | SCCA Regional Thompson [FM+GM] | 53 | 300BC Spider | Bill Weldon | | ?th |
| 1.5.1955 | SCCA Regional Thompson [FM+GM] | 83 | 300BC Spider | Ray Cuomo | | ?th |
| 1.5.1955 | Mille Miglia | 534 | 100GT | Guidotti / Tinarelli | | 154th |
| 1.5.1955 | Mille Miglia | 543 | Daina Sport Farina | Arrigo Cantelli | | 101st |
| 1.5.1955 | Mille Miglia | 545 | 1400 | Montani / Morici | | DNF |
| 1.5.1955 | Mille Miglia | 551 | Daina Sport Farina | Zaghet / Dal Bianco | | DNF |
| 1.5.1955 | SCCA Regional Thompson [FM+GM] | | 300BC Spider | Antonio Pompeo | | raced |
| 15.5.1955 | Bol d'Or | 22 | | Behra / Terrail | | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 44 | | Antonio Pompeo | T. Pompeo | 18th |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 87 | 300BC Spider | Ernst Ruffini | E. T. Ruffini | 21st |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 96 | | Franz Hannig | F. J. Hannig | 22nd |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 98 | | Ron Young | R. W. Young | 17th |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 103 | 300BC | Bill Weldon | W. H. Weldon | 11th |
| 15.5.1955 | SCCA National Cumberland [CM+DM+EM] | 111 | 208CS Spider Bertone | George Schrafft | Geo. F. Schrafft | raced |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 119 | | Warren Bush | W. E. Bush | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 174 | 300BC Spider | William S. Mitchell | J. C. Mueller | 14th |
| 15.5.1955 | SCCA National Cumberland [FM+GM+HM] | 182 | 300BC | Howard Hanna | H. Hanna | 17th |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 199 | | G. R. Mautz | G. R. Mautz | DNA |
| 15.5.1955 | SCCA National Cumberland [FM+GM+HM] | 212 | 300BC | Dick Yares | R. Yares | raced |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 215 | 300BC | Isabelle Haskell | I. Haskell | 5th |
| 15.5.1955 | SCCA National Cumberland [FM+GM+HM] | 215 | 300BC | Isabelle Haskell | I. Haskell | 18th |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 218 | | James Diaz | B. Diaz | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 226 | 208CS Balbo | George Arents | A. Arents | DNS |
| 22.5.1955 | Marlboro [Modified] | | 1400 | | | raced |
| 29.5.1955 | Santa Barbara [S1.5] | 58 | 300BC Spider | F. E. Parker | | ?th |
| 29.5.1955 | SCCA Regional Thompson [GM+HM] | 104 | 300BC Spider | Antonio Pompeo | | 7th |
| 29.5.1955 | SCCA Regional Thompson [UR] | 104 | | Frank Miller | | 8th |
| 29.5.1955 | SCCA Regional Thompson [GM+HM] | 106 | 300BC Spider | George Reed | | 8th |
| 29.5.1955 | SCCA Regional Thompson [GM+HM] | 317 | 300BC Spider | John Norwood | | 5th |
| 29.5.1955 | SCCA Regional Thompson [EP+EM] | | 208CS Balbo | George Arents | | raced |
| 29.5.1955 | GP Tangier [1.1] | | | Daniel de Magalhăes | | 3rd |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 4 | Spider | Robert S. Dickens | Sid Dickens | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 4 | Spider | Robert S. Dickens | Sid Dickens | DNA |
| 5.6.1955 | Santa Rosa [Production 3.0] | 14 | V8 | Zainasheff | | 14th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 14 | V8 | Zainasheff | | 19th |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 62 | | Thomas Colangelo | | 9th |
| 18.6.1955 | GP Edenvale | 19 | Spider | Warren Bush | Warren E. Bush | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 19 | Spider | Warren Bush | Warren E. Bush | DNA |
| 18.6.1955 | Edenvale [Sports] | 19 | Spider | Warren Bush | Warren E. Bush | DNA |
| 18.6.1955 | Edenvale [S1.5] | 19 | Spider | Warren Bush | Warren E. Bush | DNA |
| 18.6.1955 | Edenvale [S1.5] | 38 | 300BC | Dick Yares | Ecurie Broque | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 38 | 300BC | Dick Yares | Ecurie Broque | DNA |
| 18.6.1955 | GP Edenvale | 38 | 300BC | Dick Yares | Ecurie Broque | raced |
| 18.6.1955 | Edenvale [Sports] | 38 | 300BC | Dick Yares | Ecurie Broque | DNA |
| 18.6.1955 | Edenvale [S3.0] | 41 | 208CS Balbo | George Arents | Ecurie 'Chacun a son gout' | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 41 | 208CS Balbo | George Arents | Ecurie 'Chacun a son gout' | DNA |
| 18.6.1955 | Edenvale [Sports] | 41 | 208CS Balbo | George Arents | Ecurie 'Chacun a son gout' | ?th |
| 18.6.1955 | GP Edenvale | 41 | 208CS Balbo | George Arents | Ecurie 'Chacun a son gout' | 3rd |
| 18.6.1955 | Edenvale [Formula Libre] | 45 | 300BC Spider | William S. Mitchell | Jan C. Mueller | DNA |
| 18.6.1955 | Edenvale [Sports] | 45 | 300BC Spider | William S. Mitchell | Jan C. Mueller | DNA |
| 18.6.1955 | GP Edenvale | 45 | 300BC Spider | William S. Mitchell | Jan C. Mueller | 1st |
| 18.6.1955 | Edenvale [S1.5] | 45 | 300BC Spider | William S. Mitchell | Jan C. Mueller | 3rd |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 4 | Spider | Robert S. Dickens | R. Sidney Dickens | ?th |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 4 | Spider | Robert S. Dickens | R. Sidney Dickens | DNA |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 28 | | Harry Brown | Harry Brown | DNA |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 28 | | Harry Brown | Harry Brown | DNA |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 51 | Spyder | Max Hoffman | | ?th |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 51 | Spider | Max Koffman, Jr. | Max Koffman, Jr. | ?th |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 62 | | Dick Murphy | Richard Murphy | DNA |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 62 | | Dick Murphy | Richard Murphy | DNA |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 87 | Spider | Ernst Ruffini | Ernst Ruffini | ?th |
| 19.6.1955 | Hansen Dam [S1.5] | | 300BC Spider | F. E. Parker | | ?th |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 67 | 300BC Coupe | James Floria | | DNA |
| 4.7.1955 | SCCA National Beverly [FM+GM+HM+DP+EP] | 89 | 300BC Spider | Ben Diaz | | 15th |
| 4.7.1955 | Preliminary Beverly [FP+GP+GM+HM] | 89 | 300BC Spider | Ben Diaz | | 39th |
| 4.7.1955 | Preliminary Beverly [FP+GP+GM+HM] | 103 | 300BC Spider | Bill Weldon | | 11th |
| 4.7.1955 | SCCA National Beverly [FM+GM+HM+DP+EP] | 103 | 300BC Spider | Bill Weldon | | 14th |
| 4.7.1955 | Preliminary Beverly [FP+GP+GM+HM] | 117 | 300BC Spider | Theodore Vergon | | 22nd |
| 4.7.1955 | Preliminary Beverly [BM+CM+DM+EM] | | 208CS Balbo | George Arents | | DNF |
| 10.7.1955 | Coppa d'Oro delle Dolomiti | 64 | 750 | Massimo Ferrazzi | | 33rd |
| 23.7.1955 | Brynfan Tyddyn [GM+HM] | 33 | 300BC Spider | Ben Diaz | | 7th |
| 23.7.1955 | Brynfan Tyddyn [GM+HM] | 94 | 300BC Spider | Howard Hanna | | 4th |
| 23.7.1955 | Brynfan Tyddyn [GM+HM] | 99 | 300BC Spider | Theodore Vergon | | DNF |