| 15.5.1955 | Baden [S+F3] | 11 | | Georg Umschaden | Georg Umschaden | 4th |
| 15.5.1955 | Baden | 11 | | Georg Umschaden | Georg Umschaden | 4th |
| 15.5.1955 | SCCA National Cumberland [FM+GM+HM] | 38 | 100 S | Bob Wittke | R. A. Wittke | DNA |
| 15.5.1955 | SCCA National Cumberland [CM+DM+EM] | 38 | 100 S | Bob Wittke | R. A. Wittke | 9th |
| 15.5.1955 | SCCA National Cumberland [DP] | 40 | 100 | Charles Hassan | J. V. Quackenbush | 5th |
| 15.5.1955 | SCCA National Cumberland [CM+DM+EM] | 105 | Special | Fred Allen | F. F. Allen | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 149 | 100 | Bob Hathaway | | 11th |
| 15.5.1955 | SCCA National Cumberland [DP] | 245 | 100 | Ken Livingstone | K. M. Livingstone, Jr. | DNA |
| 15.5.1955 | SCCA National Cumberland [CM+DM+EM] | 250 | 100 S | Fergusson | J. Ferguson | 11th |
| 15.5.1955 | SCCA National Cumberland [DP] | 262 | 100 | Tomi Thompson | Tomi Thompson | DNA |
| 15.5.1955 | SCCA National Cumberland [DP] | 264 | 100 | A. R. M. Milar | A. R. M. Milar | DNA |
| 15.5.1955 | SCCA National Cumberland [DP] | 280 | 100 | James Graham | James Graham | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 26 | 100 | C. K. Walker | C. K. Walker | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 26 | 100 | C. K. Walker | C. K. Walker | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 29 | 100 | David Scott | David Scott | 3rd |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 29 | 100 | David Scott | David Scott | 1st |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 30 | 100 | G. L. Corlett | Gerry Corlett | 2nd |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 30 | 100 | G. L. Corlett | Gerry Corlett | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 30 | 100 | G. L. Corlett | Gerry Corlett | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 31 | 100 | Gordon Stratton | Gordon Stratton | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 31 | 100 | Gordon Stratton | Gordon Stratton | 2nd |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 39 | 100 | W. E. Currie | W. E. Currie | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 39 | 100 | W. E. Currie | W. E. Currie | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 51 | 100 | W. K. Blomfield | W. K. Blomfield | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 51 | 100 | W. K. Blomfield | W. K. Blomfield | DNA |
| 22.5.1955 | Marlboro [DP+EP+FP+GP] | 85 | 100 M | William Kinchloe | | 1st |
| 22.5.1955 | Marlboro [Novice +1.5] | | | Ralph Hillier | | DNF |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 13 | 100 S | Jackie Cooper | | 7th |
| 29.5.1955 | SCCA Regional Thompson [Match Race] | 13 | 100 S | Jackie Cooper | | 4th |
| 29.5.1955 | Eifelrennen Nürburgring | 16 | | Roland Schnell | Roland Schnell | raced |
| 29.5.1955 | Eifelrennen Nürburgring | 18 | | | Walter Monaco | raced |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 45 | 100 S | William Brewster | | 8th |
| 29.5.1955 | GP des Frontières | 54 | 100 S | Christian Goethals | | DNF |
| 29.5.1955 | SCCA Regional Thompson [DP] | 60 | 100 | Harris Hanscom | | 9th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 61 | 100 | Harold Kunz | | 3rd |
| 29.5.1955 | SCCA Regional Thompson [DP] | 64 | 100 | Charles Andrews | | 6th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 65 | 100 | Stewart Rutherford | | 8th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 66 | 100 | John Goemans | | 5th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 67 | 100 | Herman Flynn | | 7th |
| 29.5.1955 | SCCA Regional Thompson [Match Race] | 69 | 100 | Gus Ehrman | | 7th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 69 | 100 | Gus Ehrman | | 4th |
| 29.5.1955 | SCCA Regional Thompson [DP] | 72 | 100 | Dominic Ravesi | | 10th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 122 | 100 S | Traver McKenna | | 5th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 257 | 100 S | Vin Sardi | | 3rd |
| 29.5.1955 | Santa Barbara [S+1.5] | 500 | 100 S | Ken Miles | | ?th |
| 29.5.1955 | Santa Barbara [S+1.5] | | 100 | Roy Jackson-Moore | | ?th |
| 29.5.1955 | Consolation Santa Barbara [S+1.5] | | | Richard Connors | | 5th |
| 29.5.1955 | Santa Barbara [Ladies] | | 100 | Jane Wells | | ?th |
| 29.5.1955 | Santa Barbara [S+1.5] | | 100 | John McLaughlin | | ?th |
| 29.5.1955 | GP Tangier [2.0/+2.0] | | | Renato Montalbano | | 5th |
| 30.5.1955 | National Davidstow [Production] | 19 | 100 S | David Shale | | 3rd |
| 30.5.1955 | National Davidstow [Sports Unlimited] | 19 | 100 S | David Shale | | 5th |
| 30.5.1955 | National Davidstow [S2.75] | 19 | 100 S | David Shale | | DNF |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 20 | 100 | Don Davis | Don Davis | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 20 | 100 | Don Davis | Don Davis | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 22 | 100 | Arch James | Arch James | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 22 | 100 | Arch James | Arch James | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 22 | 100 | Arch James | Arch James | DNA |
| 30.5.1955 | National Davidstow [S2.75] | 39 | | A. Wilson-Gunn | | 4th |
| 30.5.1955 | National Davidstow [Production] | 39 | | A. Wilson-Gunn | | 4th |
| 30.5.1955 | National Davidstow [Sports Unlimited] | 39 | | A. Wilson-Gunn | | 7th |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 45 | | Richard Vogel | Richard Vogel | DNA |
| 30.5.1955 | National Davidstow [Production] | 49 | 100 S | John Dalton | | 2nd |
| 30.5.1955 | National Davidstow [Sports Unlimited] | 49 | 100 S | John Dalton | | 1st |
| 30.5.1955 | National Davidstow [S2.75] | 49 | 100 S | John Dalton | | raced |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 71 | 100 | Tony Dennis | A. F. Dennis | 10th |
| 30.5.1955 | Whitsun Goodwood [Sports] | 71 | 100 | Tony Dennis | A. F. Dennis | raced |
| 30.5.1955 | Whitsun Goodwood [Sports] | 72 | | John Deeley | J. Deeley | raced |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 72 | | John Deeley | J. Deeley | 13th |
| 30.5.1955 | Whitsun Goodwood [Sports] | 73 | 100 | Max Trimble | J. M. Trimble | raced |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 73 | 100 | Max Trimble | J. M. Trimble | 12th |
| 30.5.1955 | Whitsun Goodwood [Ladies] | 78 | 100 | Angela Lane | | 5th |
| 30.5.1955 | Iowa [Novice +1.5] | 96 | 100 | W. Lefty Dobbins | W. 'Lefty' Dobbins | DNA |
| 30.5.1955 | Iowa [Ladies] | 96 | 100 | Mildred Dobbins | W. 'Lefty' Dobbins | 3rd |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 96 | 100 | W. Lefty Dobbins | W. 'Lefty' Dobbins | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 96 | 100 | W. Lefty Dobbins | W. 'Lefty' Dobbins | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 104 | 100 | Cy Dieter | Cy Dieter | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 104 | 100 | Cy Dieter | Cy Dieter | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 108 | 100 | Jack Johnson III | Jack Johnson III | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 108 | 100 | Jack Johnson III | Jack Johnson III | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 108 | 100 | Jack Johnson III | Jack Johnson III | DNA |
| 4.6.1955 | 8 Clubs Silverstone [Scratch] | | 100 | Tony Dennis | | 3rd |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 3 | | Jack Duncan | | 16th |
| 5.6.1955 | Santa Rosa [S+1.5] | 3 | 100 S | Jack Duncan | F. Lederer | 6th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 4 | | Bob MacLean | | 4th |
| 5.6.1955 | Santa Rosa [Ladies+FIII] | 20 | | Jane Wells | | 3rd |
| 5.6.1955 | Santa Rosa [S+1.5] | 25 | 100 | Roy Jackson-Moore | | 8th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 25 | 100 | Roy Jackson-Moore | | 3rd |
| 5.6.1955 | Santa Rosa [Production 3.0] | 35 | | Cyrus Hovig | | 18th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 60 | | Harry Bowman | | 15th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 64 | 100 | Fred Knoop | | 5th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 72 | | Johnny Walker | | 10th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 80 | | Robert Johnson | | 2nd |
| 5.6.1955 | Santa Rosa [Ladies+FIII] | 80 | | Eloise Johnson | | 6th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 85 | 100 | Jack Tanner | | 9th |
| 5.6.1955 | Santa Rosa [S+1.5] | 127 | | John Healy | | 17th |
| 5.6.1955 | Santa Rosa [S+1.5] | 131 | 100 | George Swift | | 12th |
| 5.6.1955 | Santa Rosa [S+1.5] | 134 | | Leon Buck | | 16th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 136 | 100 | Donald Haley | | 6th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 159 | 100 | Earl Grafton | | 16th |