| 12.6.1955 | 24 h Le Mans | 37 | 550 | Polensky / von Frankenberg | Porsche KG | 4th |
| 12.6.1955 | 24 h Le Mans | 66 | 550 | Gendebien / Seidel | Ecurie Belge/Gonzague Olivier | 5th |
| 12.6.1955 | Opatija [S+1.3] | 140 | 550 | Ernst Vogel | | 1st |
| 12.6.1955 | 24 h Le Mans | | 550 | | Porsche KG | DNA |
| 18.6.1955 | Preliminary Hansen Dam [Modified 1.5] | 56 | 550 Spyder | Troy McHenry | Dr. Troy McHenry | DNA |
| 18.6.1955 | Preliminary Hansen Dam [Production 1.5] | 57 | 356 1500 Super | W. R. Turner | W. R. Turner | DNA |
| 18.6.1955 | Preliminary Hansen Dam [Production 1.5] | 86 | 356 1500 Super Speedster | Dale Johnson | Dale Johnson | 1st |
| 18.6.1955 | Edenvale [S1.5] | 96 | 356 America | Donald Baker | | 2nd |
| 18.6.1955 | Preliminary Hansen Dam [Production 1.5] | 174 | 356 1500 Super Coupé | Dennis Shillam | Dennis S. Shillam | raced |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 5 | 356 Speedster | William Baker | William A. Baker | DNA |
| 19.6.1955 | Preliminary Lawrenceville [Ladies] | 5 | 356 Speedster | Sunnie Baker | William A. Baker | DNA |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 5 | 356 Speedster | William Baker | William A. Baker | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 17 | 356 Speedster | Don Hawthorne | Don Hawthorne | ?th |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 17 | 356 Speedster | Don Hawthorne | Don Hawthorne | DNA |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 17 | 356 Speedster | Don Hawthorne | Don Hawthorne | DNA |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 25 | 356 Speedster | William Donoghue | Wm. Donoghue | ?th |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 25 | 356 Speedster | William Donoghue | Wm. Donoghue | ?th |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 46 | 356 Coupé | Warren Steele | Warren Steele | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 46 | 356 Coupé | Warren Steele | Warren Steele | DNA |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 46 | 356 Coupé | Warren Steele | Warren Steele | 2nd |
| 19.6.1955 | Hansen Dam [S1.5] | 56 | 550 Spyder | Troy McHenry | Dr. Troy McHenry | DNA |
| 19.6.1955 | Hansen Dam [S1.5] | 57 | 356 1500 Super | W. R. Turner | W. R. Turner | ?th |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 63 | 356 Convertible | Roy Geoghegan | Roy Geoghegan | DNA |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 69 | 550 | Ed Crawford | Ed Crawford | ?th |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 69 | 550 | Ed Crawford | Ed Crawford | ?th |
| 19.6.1955 | Hansen Dam [S1.5] | 86 | 356 1500 Super Speedster | Dale Johnson | Dale Johnson | ?th |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 88 | 356 Coupé | Bill Shuck | W. A. Shuck | ?th |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 88 | 356 Coupé | Bill Shuck | W. A. Shuck | DNA |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 93 | 356 Speedster | Chuck Rickert | Chuck Rickert | ?th |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 93 | 356 Speedster | Chuck Rickert | Chuck Rickert | DNA |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 97 | 356 Coupé | John O'Connor | John O'Connor | DNA |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 97 | 356 Coupé | John O'Connor | John O'Connor | ?th |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 111 | 356 Le Mans Coupé | Warren Steele | Chas. Finkl | 3rd |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 111 | 356 Le Mans Coupé | Charles Finkl | Chas. Finkl | raced |
| 19.6.1955 | Preliminary Lawrenceville [FM+GM+HM+IM+FP+HP] | 133 | 356 Super | Walter Ernst | Walter Ernst | 3rd |
| 19.6.1955 | Lawrenceville [FM+GM+HM+IM+FP+HP] | 133 | 356 Super | Walter Ernst | Walter Ernst | 1st |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 161 | 550 | Art Bunker | Art Bunker, Jr. | ?th |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 161 | 550 | Art Bunker | Art Bunker, Jr. | ?th |
| 19.6.1955 | Preliminary Lawrenceville [Ladies] | 166 | 356 Speedster | Hope Stewart | Hope Stewart | 2nd |
| 19.6.1955 | Hansen Dam [S1.5] | 174 | 356 1500 Super Coupé | Dennis Shillam | Dennis S. Shillam | DNA |
| 19.6.1955 | GP Tunisia | | 550 | Claude Storez | | 3rd |
| 19.6.1955 | GP Tunisia | | 550 | Auguste Veuillet | | 6th |
| 25.6.1955 | Circuito do Porto [S1.5] | 1 | 550 | Joaquim Felipe Nogueira | | 1st |
| 25.6.1955 | Circuito do Porto [S1.5] | 2 | 550 | Fernando de Mascarenhas | | 6th |
| 25.6.1955 | Circuito do Porto [S1.5] | 10 | 550 | Ernst Lautenschlager | | 3rd |
| 25.6.1955 | Circuito do Porto [S1.5] | | 550 | Wolfgang Seidel | | 2nd |
| 29.6.1955 | Bogotá [S2.5] | | 356 Super | Salazer | | 5th |
| 29.6.1955 | Bogotá [S2.5] | | 356 | Pablo Obregon | | 8th |
| 3.7.1955 | New Orleans [Handicap] | 1 | 356 Super | C. Pitt Browne, Jr. | | DNA |
| 3.7.1955 | New Orleans [GM+HM+FP+GP] | 1 | 356 1500 Super | C. Pitt Browne, Jr. | | 1st |
| 3.7.1955 | New Orleans [Sports] | 1 | 356 Super | C. Pitt Browne, Jr. | | DNA |
| 3.7.1955 | New Orleans [Handicap] | 11 | 356 Super | Thomas Waring | | DNA |
| 3.7.1955 | New Orleans [GM+HM+FP+GP] | 11 | 356 1500 Super | Thomas Waring | | 3rd |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 14 | 356 Super Speedster | Bob Ballenger | | 3rd |
| 3.7.1955 | New Orleans [Handicap] | 17 | 356 1500 Super | Bill Hughes | | DNA |
| 3.7.1955 | New Orleans [GM+HM+FP+GP] | 17 | 356 1500 Super | Bill Hughes | | 2nd |
| 3.7.1955 | Halle-Saale-Schleife [S1.5] | 21 | 550 | Theo Helfrich | | DNA |
| 3.7.1955 | New Orleans [BM+CM+DM+EM+FM+CP+DP+EP] | 24 | 550 | Richter | | DNA |
| 3.7.1955 | New Orleans [Handicap] | 24 | 550 | Richter | | DNA |
| 3.7.1955 | New Orleans [Sports] | 24 | 550 | Richter | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 28 | | Bill Bowman | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 28 | | Bill Bowman | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 33 | 356 Coupé | Walter Ernst | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 33 | 356 Coupé | Walter Ernst | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 39 | | Chris Tanida | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 39 | | Chris Tanida | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 40 | 356 Super Speedster | Herbert Weichmann | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 43 | 356 Coupé | Bruce Montgomery | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 43 | 356 Coupé | Bruce Montgomery | | DNA |
| 3.7.1955 | Halle-Saale-Schleife [S1.5] | 44 | 550 Spyder | Friedrich Kretschmann | | 5th |
| 3.7.1955 | Milwaukee [FP+GP] | 49 | 356 1300 Coupé | James W. Ash | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 49 | 356 1300 Coupé | James W. Ash | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 53 | 356 Coupé | Harold Kihn | | 5th |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 56 | 356 | Ruth Levy | | 15th |
| 3.7.1955 | Milwaukee [FP+GP] | 56 | 356 | Ruth Levy | | 3rd |
| 3.7.1955 | Milwaukee [FP+GP] | 57 | 356 Speedster | Walter Schacht | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 61 | 356 Super Coupé | Paul van Antwerpen | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 61 | 356 Super Coupé | Paul van Antwerpen | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 65 | 550 Spyder | Bob Davis | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 69 | 550 | Ed Crawford | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 71 | 356 Speedster | Don Hawthorne | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 72 | 356 | M. P. Christensen | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 72 | 356 | M. P. Christensen | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 77 | 356 Super | Don Warren | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 77 | 356 Super | Don Warren | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 82 | 356 Super Speedster | Walter Short | | 5th |
| 3.7.1955 | Milwaukee [FP+GP] | 84 | 356 Coupé | George van de Sande | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 84 | 356 Coupé | George van de Sande | | 16th |
| 3.7.1955 | Milwaukee [FP+GP] | 93 | 356 Coupé | David Viall | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 93 | 356 Coupé | David Viall | | DNA |
| 3.7.1955 | Milwaukee [FP+GP] | 94 | 356 Coupé | John O'Connor | | 2nd |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 94 | 356 Coupé | John O'Connor | | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 148 | 356 Speedster | Fred Vetter | | 7th |
| 3.7.1955 | Milwaukee [FP+GP] | 148 | 356 Speedster | Fred Vetter | | 1st |
| 3.7.1955 | New Orleans [Handicap] | | | | | 4th |
| 3.7.1955 | New Orleans [Sports] | | 550 | Norman Scott | | 4th |
| 3.7.1955 | New Orleans [Handicap] | | | | | 5th |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | | | Paul Stewart | | 4th |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | | | Fred Wacker | | DNF |
| 3.7.1955 | Milwaukee [FP+GP] | | 356 | Gene Bussion | | 4th |