| 15.5.1955 | SCCA National Cumberland [FM+GM+HM] | 38 | #AHS 3501 | Bob Wittke | R. A. Wittke | DNA |
| 15.5.1955 | SCCA National Cumberland [CM+DM+EM] | 38 | #AHS 3501 | Bob Wittke | R. A. Wittke | 9th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 40 | | John Quackenbush | J. V. Quackenbush | 5th |
| 15.5.1955 | SCCA National Cumberland [DP] | 40 | | Charles Hassan | J. V. Quackenbush | 5th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 55 | | Keith Wilson | K. H. Wilson | 7th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 56 | | Fred Moore | F. L. Moore | 15th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 64 | | Harold Kunz | H. G. Kunz | 4th |
| 15.5.1955 | SCCA National Cumberland [DP] | 85 | | William Kinchloe | W. P. Kinchloe, Jr. | DNA |
| 15.5.1955 | SCCA National Cumberland [DP] | 95 | | Dave Gilbert | D. N. Gilbert | DNA |
| 15.5.1955 | SCCA National Cumberland [CM+DM+EM] | 100 | #AHS 3502 | Robert Fergus | R. H. Fergus | 8th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 102 | | David Dukes | D. J. Dukes, M.D. | 17th |
| 15.5.1955 | SCCA National Cumberland [DP] | 104 | | Harlan Simonds | H. K. Simonds, Jr. | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 128 | | R. L. Scott | R. L. Scott | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 130 | | Richard Ross | R. Ross | 6th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 149 | | Bob Hathaway | | 11th |
| 15.5.1955 | SCCA National Cumberland [DP] | 165 | | John Berckemeyer | J. Berckmeyer | 8th |
| 15.5.1955 | SCCA National Cumberland [DP] | 177 | | George Zuver | G. H. Zuver, Jr. | 9th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 183 | | Frank Pohanka | F. S. Pohanka | 13th |
| 15.5.1955 | SCCA National Cumberland [DP] | 209 | | L. A. McPheron, Jr. | L. A. McPheron, Jr. | 6th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 210 | | Gerlad A. Germuga | G. A. Germuga | 14th |
| 15.5.1955 | SCCA National Cumberland [DP] | 229 | | William Milliken | Bill Milliken, Jr. | 7th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 234 | | George Parks | H. Scharf | DNA |
| 15.5.1955 | SCCA National Cumberland [DP] | 234 | | J. B. Holley | H. Scharf | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 236 | | Harry Meades | H. Meades | DNF |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 237 | | Martin Tanner | M. W. Tanner, Jr. | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 238 | | Ralph Hillier | R. W. Hillier | 9th |
| 15.5.1955 | SCCA National Cumberland [DP] | 245 | | Ken Livingstone | K. M. Livingstone, Jr. | DNA |
| 15.5.1955 | SCCA National Cumberland [CM+DM+EM] | 250 | | Fergusson | J. Ferguson | 11th |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 262 | | Nan Thompson | Tomi Thompson | 8th |
| 15.5.1955 | SCCA National Cumberland [DP] | 262 | | Tomi Thompson | Tomi Thompson | DNA |
| 15.5.1955 | SCCA National Cumberland [DP] | 264 | | A. R. M. Milar | A. R. M. Milar | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 267 | | G. J. Grauds | G. J. Grauds | 8th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 272 | | George Bortin | G. Bortin | 12th |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 276 | | Richard Whitson | R. Whitson | 10th |
| 15.5.1955 | SCCA National Cumberland [DP] | 280 | | James Graham | James Graham | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 26 | | C. K. Walker | C. K. Walker | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 26 | | C. K. Walker | C. K. Walker | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 29 | | David Scott | David Scott | 3rd |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 29 | | David Scott | David Scott | 1st |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 30 | | G. L. Corlett | Gerry Corlett | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 30 | | G. L. Corlett | Gerry Corlett | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 30 | | G. L. Corlett | Gerry Corlett | 2nd |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 31 | | Gordon Stratton | Gordon Stratton | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 31 | | Gordon Stratton | Gordon Stratton | 2nd |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 39 | | W. E. Currie | W. E. Currie | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 39 | | W. E. Currie | W. E. Currie | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 51 | | W. K. Blomfield | W. K. Blomfield | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 51 | | W. K. Blomfield | W. K. Blomfield | DNA |
| 22.5.1955 | Marlboro [DP+EP+FP+GP] | 85 | | William Kinchloe | | 1st |
| 29.5.1955 | SCCA Regional Thompson [Match Race] | 13 | #AHS 3504 | Jackie Cooper | | 4th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 13 | #AHS 3504 | Jackie Cooper | | 7th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 45 | #AHS 3506 | William Brewster | | 8th |
| 29.5.1955 | GP des Frontières | 54 | | Christian Goethals | | DNF |
| 29.5.1955 | SCCA Regional Thompson [DP] | 60 | | Harris Hanscom | | 9th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 61 | | Harold Kunz | | 3rd |
| 29.5.1955 | SCCA Regional Thompson [DP] | 64 | | Charles Andrews | | 6th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 65 | | Stewart Rutherford | | 8th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 66 | | John Goemans | | 5th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 67 | | Herman Flynn | | 7th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 69 | | Gus Ehrman | | 4th |
| 29.5.1955 | SCCA Regional Thompson [Match Race] | 69 | | Gus Ehrman | | 7th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 72 | | Dominic Ravesi | | 10th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 122 | #AHS 3505 | Traver McKenna | | 5th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 257 | #AHS 3507 | Vin Sardi | | 3rd |
| 29.5.1955 | Santa Barbara [S+1.5] | 500 | | Ken Miles | | ?th |
| 29.5.1955 | Santa Barbara [S+1.5] | | | John McLaughlin | | ?th |
| 29.5.1955 | Santa Barbara [Ladies] | | | Jane Wells | | ?th |
| 29.5.1955 | Santa Barbara [S+1.5] | | | Roy Jackson-Moore | | ?th |
| 30.5.1955 | National Davidstow [Sports Unlimited] | 19 | #AHS 3509 | David Shale | | 5th |
| 30.5.1955 | National Davidstow [Production] | 19 | #AHS 3509 | David Shale | | 3rd |
| 30.5.1955 | National Davidstow [S2.75] | 19 | #AHS 3509 | David Shale | | DNF |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 20 | | Don Davis | Don Davis | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 20 | | Don Davis | Don Davis | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 22 | | Arch James | Arch James | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 22 | | Arch James | Arch James | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 22 | | Arch James | Arch James | DNA |
| 30.5.1955 | National Davidstow [Sports Unlimited] | 49 | #AHS 3702 | John Dalton | | 1st |
| 30.5.1955 | National Davidstow [S2.75] | 49 | #AHS 3702 | John Dalton | | raced |
| 30.5.1955 | National Davidstow [Production] | 49 | #AHS 3702 | John Dalton | | 2nd |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 71 | | Tony Dennis | A. F. Dennis | 10th |
| 30.5.1955 | Whitsun Goodwood [Sports] | 71 | | Tony Dennis | A. F. Dennis | raced |
| 30.5.1955 | Whitsun Goodwood [Sports] | 73 | | Max Trimble | J. M. Trimble | raced |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 73 | | Max Trimble | J. M. Trimble | 12th |
| 30.5.1955 | Whitsun Goodwood [Ladies] | 78 | | Angela Lane | | 5th |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 96 | | W. Lefty Dobbins | W. 'Lefty' Dobbins | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 96 | | W. Lefty Dobbins | W. 'Lefty' Dobbins | DNA |
| 30.5.1955 | Iowa [Ladies] | 96 | | Mildred Dobbins | W. 'Lefty' Dobbins | 3rd |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 96 | | W. Lefty Dobbins | W. 'Lefty' Dobbins | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 104 | | Cy Dieter | Cy Dieter | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 104 | | Cy Dieter | Cy Dieter | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 108 | | Jack Johnson III | Jack Johnson III | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 108 | | Jack Johnson III | Jack Johnson III | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 108 | | Jack Johnson III | Jack Johnson III | DNA |
| 4.6.1955 | 8 Clubs Silverstone [Scratch] | | | Tony Dennis | | 3rd |
| 5.6.1955 | Santa Rosa [S+1.5] | 3 | | Jack Duncan | F. Lederer | 6th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 25 | | Roy Jackson-Moore | | 3rd |
| 5.6.1955 | Santa Rosa [S+1.5] | 25 | | Roy Jackson-Moore | | 8th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 64 | | Fred Knoop | | 5th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 85 | | Jack Tanner | | 9th |
| 5.6.1955 | Santa Rosa [S+1.5] | 131 | | George Swift | | 12th |