| 18.6.1955 | GP Edenvale | 34 | Thunderbird | George Schon | George Schon | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 34 | Thunderbird | George Schon | George Schon | 3rd |
| 18.6.1955 | Edenvale [Sports] | 34 | Thunderbird | George Schon | George Schon | DNA |
| 18.6.1955 | Edenvale [Sports] | 37 | Thunderbird | Michael J. Theodore | Michael J. Theodore | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 37 | Thunderbird | Michael J. Theodore | Michael J. Theodore | DNA |
| 18.6.1955 | GP Edenvale | 37 | Thunderbird | Michael J. Theodore | Michael J. Theodore | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 53 | Thunderbird | A. M. Bretschger | A. M. Bretschger | DNF |
| 18.6.1955 | GP Edenvale | 53 | Thunderbird | A. M. Bretschger | A. M. Bretschger | DNA |
| 18.6.1955 | Edenvale [Sports] | 53 | Thunderbird | A. M. Bretschger | A. M. Bretschger | DNA |
| 18.6.1955 | GP Edenvale | 57 | Zephyr | Joe Taylor | B. W. N. Taylor | DNA |
| 18.6.1955 | Edenvale [Sports] | 57 | Zephyr | Joe Taylor | B. W. N. Taylor | DNA |
| 18.6.1955 | GP Edenvale | 69 | Thunderbird | Sam Burnstein | Sam Burnstein | DNA |
| 18.6.1955 | Edenvale [Sports] | 69 | Thunderbird | Sam Burnstein | Sam Burnstein | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 69 | Thunderbird | Sam Burnstein | Sam Burnstein | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 8 | Thunderbird | Harry Brown | Harry Brown | raced |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 8 | Thunderbird | Harry Brown | Harry Brown | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 31 | Thunderbird | Al Miller | Alfred Miller | DNA |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 31 | Thunderbird | Al Miller | Alfred Miller | DNA |
| 19.6.1955 | Consolation Hansen Dam [S1.5] | 108 | Anglia | Charles Marshall | Charles Marshall | 9th |
| 19.6.1955 | Hansen Dam [S1.5] | 108 | Anglia | Charles Marshall | Charles Marshall | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 120 | Thunderbird | Straney | Wilbur Straney | ?th |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 120 | Thunderbird | Straney | Wilbur Straney | ?th |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 777 | Thunderbird | Jim Grove | James Grove | DNA |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 777 | Thunderbird | Jim Grove | James Grove | DNA |
| 2.7.1955 | National Silverstone [Handicap] | 70 | Anglia | Ellis Cuff-Miller | | 1st |
| 3.7.1955 | Milwaukee [BM+CM+DM+EM+CP+DP+EP] | 95 | Thunderbird | Fred Scherer | | 5th |
| 4.7.1955 | Preliminary Beverly [CP+DP+EP] | 116 | Thunderbird | Rod Nerney | | 13th |
| 9.7.1955 | Leinster Trophy | | Special | Brian Bleakley | | 2nd |
| 9.7.1955 | 6 h Relay Silverstone [Handicap] | | Prefect | Ian Walker | Tinlids Team | 1st |
| 9.7.1955 | 6 h Relay Silverstone [Handicap] | | Anglia | John Mitchell | Tinlids Team | 1st |
| 9.7.1955 | Leinster Trophy | | Special | Carroll | | DNF |
| 9.7.1955 | Leinster Trophy | | Special | Freddy Smythe | | 3rd |
| 9.7.1955 | Leinster Trophy | | | Diffey | | DNS |
| 10.7.1955 | WJC Charterhall [Sports Handicap] | 9 | Special | H. Finlay | H. Finlay | DNA |
| 10.7.1955 | WJC Charterhall [Sports Handicap] | 10 | Anglia | C. M. M. Gillespie | C. M. M. Gillespie | DNA |
| 10.7.1955 | WJC Charterhall [Sports Handicap] | 22 | Consul | Gray Mickel | R. G. Mickel | DNA |
| 10.7.1955 | WJC Charterhall [Sports Handicap] | 35 | Zephyr | Peter Hughes | P. S. Hughes | DNA |
| 10.7.1955 | Preliminary Torrey Pines [CP+DP+EP] | 107 | Thunderbird | Charles Short | Charles M. Short | 22nd |
| 10.7.1955 | SCCA National Torrey Pines [S1.5] | 138 | Anglia | Charles Marshall | Chas. W. Marshall | DNF |
| 10.7.1955 | Preliminary Torrey Pines [FP+GP+HP] | 138 | Anglia | Charles Marshall | Charles W. Marshall | 28th |
| 16.7.1955 | Munster [Formula Libre Handicap] | | Prefect | Wilbert Todd | | 3rd |
| 6.8.1955 | Charterhall International [S1.5] | 45 | Special | H. Finlay | H. Finlay | DNA |
| 14.8.1955 | Kanonloppet [Sports] | 4 | Special | Gösta Kvarnström | | DNF |
| 14.8.1955 | Kanonloppet [Sports] | 8 | Special | John Kvarnström | | DNF |
| 21.8.1955 | Roskilde Ring [Formula Libre] | 17 | Special | Gunner Henriksen | | DNA |
| 21.8.1955 | Roskilde Ring [Formula Libre] | 19 | Special | Henri Caspersen | | DNA |
| 21.8.1955 | Roskilde Ring [Formula Libre] | 22 | Special | Gösta Kvarnström | | DNA |
| 21.8.1955 | Novice Buchanan Field [Modifed +1.5] | 24 | Special | Roger Sherman | Roger Sherman | 4th |
| 21.8.1955 | Buchanan Field [Modified 1.5] | 43 | Anglia | Carl Ganschow | Carl Ganschow | DNA |
| 21.8.1955 | Buchanan Field [Modified +1.5] | 89 | Special | Francis Hodges | Jack Philes | DNA |
| 21.8.1955 | Novice Buchanan Field [Modifed +1.5] | 89 | Special | Fred Hodges | Jack Philes | DNA |
| 21.8.1955 | Buchanan Field [Modified +1.5] | 114 | Special | Don James | Donald E. James | 4th |
| 21.8.1955 | Buchanan Field [Production MG+VW] | 138 | Anglia | Wallace Thomas | Wallace Thomas | DNA |
| 27.8.1955 | ADMC Crimond [S1.5] | 6 | Special | H. Finlay | H. Finlay | DNA |
| 27.8.1955 | ADMC Crimond [S1.5] | 10 | Special | S. D. Nicoll | S. D. Nicoll | DNA |
| 27.8.1955 | ADMC Crimond [S1.5] | 12 | Special | H. Lindsay | H. Lindsay | DNA |
| 27.8.1955 | MGCC Silverstone [Novice Handicap Heat 2] | 42 | Zephyr | F. E. Oldham | | 1st |
| 3.9.1955 | Preliminary Santa Barbara [Production 1.3] | 43 | Anglia | John Cox | John Cox | DNA |
| 3.9.1955 | Preliminary Santa Barbara [Production +2.0] | 222 | Thunderbird | Ron Ellico | Ronald D. Ellico | raced |
| 3.9.1955 | National Cranfield [Open Handicap] | | Special | Wilbert Todd | | 4th |
| 4.9.1955 | Courtland [Main] | 3 | Thunderbird | Walt Cline | | DNA |
| 4.9.1955 | Stockholmsloppet [S+2.0] | 3 | Special | Gösta Kvarnström | | raced |
| 4.9.1955 | Courtland [Ladies] | 3 | Thunderbird | Mrs. Walt Cline | | DNA |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 3 | Thunderbird | Walt Cline | | DNA |
| 4.9.1955 | Stockholmsloppet [S+2.0] | 4 | Special | Ragnar Johansson | | raced |
| 4.9.1955 | Stockholmsloppet [S+2.0] | 6 | Ardun Special | John Kvarnström | | 5th |
| 4.9.1955 | SCCA National Thompson [CP] | 40 | Thunderbird | Peter Sparacino | | 9th |
| 4.9.1955 | Santa Barbara [Production 1.5] | 43 | Anglia | John Cox | John Cox | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 222 | Thunderbird | Ron Ellico | Ronald D. Ellico | raced |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 95 | Thunderbird | Fred Scherer | Fred Scherer | 19th |
| 11.9.1955 | SCCA National Road America [CP] | 144 | Thunderbird | Norm Patton | Normand K. Patton | DNA |
| 1.10.1955 | SCCA Regional Salinas [Modified +1.5] | 114 | Special | Don James | | raced |
| 2.10.1955 | WJC Charterhall [S1.5] | 1 | Special | H. Finlay | H. Finlay | 3rd |
| 2.10.1955 | WJC Charterhall [S1.5] | 36 | Special | H. Lindsay | H. Lindsay | DNA |
| 2.10.1955 | WJC Charterhall [S2.7] | 37 | | T. E. McLaren | T. E. McLaren | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 68 | Thunderbird | Bob Mouat | Robert B. Mouat, Jr. | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 68 | Thunderbird | Bob Mouat | Robert B. Mouat, Jr. | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 164 | Thunderbird | Robert McCallum | Robert J. McCallum, Jr. | 15th |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 164 | Thunderbird | Robert McCallum | Robert J. McCallum, Jr. | 17th |
| 16.10.1955 | Smartt Field [CP+FP] | | Thunderbird | Jim Grove | | 9th |
| 16.10.1955 | Smartt Field [CP+FP] | | Thunderbird | Bill Straney | | 2nd |
| 16.10.1955 | Novice Smartt Field [Production +1.5] | | Thunderbird | S. Bozian | | 5th |
| 16.10.1955 | Novice Smartt Field [Production +1.5] | | Thunderbird | Bill Schmale | | 6th |
| 22.10.1955 | 6 h Torrey Pines | 16 | Special | Fred Van Beuren | Fred T. Van Beuren | 32nd |
| 23.10.1955 | Torrey Pines [S+1.5] | 16 | Special | Fred Van Beuren | Fred T. Van Beuren | DNA |
| 13.11.1955 | SCCA National Glendale [CP+DP+EP] | 177 | Thunderbird | Charles Short | Charles M. Short | 20th |
| 27.11.1955 | Bogotá | | Thunderbird | Raul Solorzano | | 3rd |
| 3.12.1955 | Preliminary Palm Springs [BM+CM] | 163 | V8 | Richard Connors | | DNF |