| 15.5.1955 | SCCA National Cumberland [CP] | 49 | | George Constantine | G. J. Constantine | 3rd |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 53 | | Arthur W. German | | 6th |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 45 | | Grahame Maude | Grahame Maude | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 45 | | Grahame Maude | Grahame Maude | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 45 | | Grahame Maude | Grahame Maude | DNA |
| 21.5.1955 | LCCC Oulton Park [Racing Handicap] | 45 | | Grahame Maude | Grahame Maude | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 46 | | George Towse | George Towse | DNA |
| 21.5.1955 | LCCC Oulton Park [Racing Handicap] | 46 | | Bill Towse | Bill Towse | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 50 | #(LT-1) | Bob Berry | Bob Berry | 2nd |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 50 | #(LT-1) | Bob Berry | Bob Berry | 3rd |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 50 | #(LT-1) | Bob Berry | Bob Berry | 1st |
| 21.5.1955 | LCCC Oulton Park [Racing Handicap] | 50 | #(LT-1) | Bob Berry | Bob Berry | 1st |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 51 | | W. K. Blomfield | W. K. Blomfield | DNA |
| 22.5.1955 | Marlboro [Jaguar] | 45 | | Chuck Sarle | | 2nd |
| 22.5.1955 | Marlboro [S+2.0] | 45 | | Chuck Sarle | | 2nd |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 0 | | John Knight | | 6th |
| 29.5.1955 | SCCA Regional Thompson [Match Race] | 1 | | Richard Perrin | | 2nd |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 1 | | Richard Perrin | | 1st |
| 29.5.1955 | GP des Frontières | 6 | | Roger Meunier | Hugo De Ridder | 2nd |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 49 | | George Constantine | | 2nd |
| 29.5.1955 | SCCA Regional Thompson [FM+CP] | 73 | | Gordon MacKenzie | | 2nd |
| 29.5.1955 | SCCA Regional Thompson [FM+CP] | 77 | | Don McComb | | 6th |
| 29.5.1955 | SCCA Regional Thompson [FM+CP] | 78 | | Herb Hoefler | | 3rd |
| 29.5.1955 | SCCA Regional Thompson [FM+CP] | 79 | | P. Turchen | | 7th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 85 | | John B. Mull | | 5th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 85 | | Evelyn Mull | | 9th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 86 | | Ed Droesch | | 9th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 90 | | William S. Winfield | | 7th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 91 | | R. Leonard | | 8th |
| 29.5.1955 | Santa Barbara [S+1.5] | 119 | | Kudler | | raced |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 143 | | Richard Kessler | | 4th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 148 | | Michael Caldwell | | 10th |
| 29.5.1955 | National Zandvoort | - | | | | raced |
| 29.5.1955 | National Zandvoort | - | | | | raced |
| 29.5.1955 | Consolation Santa Barbara [S+1.5] | | | Bob Dickson | | 4th |
| 29.5.1955 | Santa Barbara [S+1.5] | | | Barry Monaghan | | ?th |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 15 | | Sid Ackerman | Sid Ackerman | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 15 | | Sid Ackerman | Sid Ackerman | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 15 | | John A. Weber | Sid Ackerman | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 17 | | Clifford Brenna | Cliff Brenna | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 17 | | Clifford Brenna | Cliff Brenna | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 23 | | Jerry Hardesty | Jerry Hardesty | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 23 | | Jerry Hardesty | Jerry Hardesty | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 23 | | Jerry Hardesty | Jerry Hardesty | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 29 | | Howard Andreasen | Howard Andreasen | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 29 | | Howard Andreasen | Howard Andreasen | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 29 | | Howard Andreasen | Howard Andreasen | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 33 | | John Kilborn | John Kilborn | raced |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 33 | | John Kilborn | John Kilborn | DNA |
| 30.5.1955 | Iowa [Ladies] | 33 | | Jean Kilborn | John Kilborn | raced |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 50 | | Karl Kopplin | Karl Kopplin | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 50 | | Karl Kopplin | Karl Kopplin | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 56 | | Eugene Kent | Eugene Kent | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 56 | | Eugene Kent | Eugene Kent | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 56 | | Eugene Kent | Eugene Kent | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 57 | | Jack Boone | Jack Boone | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 57 | | Jack Boone | Jack Boone | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 57 | | Jack Boone | Jack Boone | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 59 | | Harry Lydick, Jr. | Harry Lydick, Jr. | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 59 | | Harry Lydick, Jr. | Harry Lydick, Jr. | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 59 | | Harry Lydick, Jr. | Harry Lydick, Jr. | DNA |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 60 | | Earl of Northesk | | DNF |
| 30.5.1955 | Whitsun Goodwood [S+2.0] | 61 | | R. H. R. Thomas | R. H. R. Thomas | 14th |
| 30.5.1955 | Whitsun Goodwood [Sports] | 61 | | R. H. R. Thomas | R. H. R. Thomas | raced |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 73 | | Bill Larson | William Larson | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 73 | | Bill Larson | William Larson | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 77 | | Bruce Carson | Bruce Carson | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 77 | | Bruce Carson | Bruce Carson | DNA |
| 30.5.1955 | Iowa [Ladies] | 82 | | Carol Komisar | Carol Komisar | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 85 | | Jack Kisner | Jack Kisner | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 85 | | Jack Kisner | Jack Kisner | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 85 | | Jack Kisner | Jack Kisner | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 91 | | Dean Kemmerer | Dean Kemmerer | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 91 | | Dean Kemmerer | Dean Kemmerer | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 91 | | Dean Kemmerer | Dean Kemmerer | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 100 | | Ruth Levy | Ruth Levy (Chris Tanida) | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 100 | | Ruth Levy | Ruth Levy (Chris Tanida) | DNA |
| 30.5.1955 | Iowa [Ladies] | 100 | | Ruth Levy | Ruth Levy (Chris Tanida) | 1st |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 102 | | Herman Guttman | Herman Guttman | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 102 | | Herman Guttman | Herman Guttman | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 113 | | David Mott | Dave Mott | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 113 | | David Mott | Dave Mott | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 115 | | B. D. Super | B. D. Super | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 115 | | B. D. Super | B. D. Super | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 115 | | B. D. Super | B. D. Super | DNA |
| 30.5.1955 | Iowa [Ladies] | 118 | | Mrs. A. J. Roy | Mrs. A. J. Roy | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 144 | | Daniel Lang | Daniel Lang | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 144 | | Daniel Lang | Daniel Lang | DNA |
| 5.6.1955 | Santa Rosa [Production +3.0] | 27 | | Skip Conklin | | 2nd |
| 5.6.1955 | Santa Rosa [Production +3.0] | 34 | | Cloyd Gray | | 1st |
| 5.6.1955 | Santa Rosa [Production +3.0] | 54 | | Jack Graham | | 3rd |
| 5.6.1955 | Santa Rosa [Production +3.0] | 59 | | Hathaway | | 9th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 68 | | Jim Woods | | 8th |
| 5.6.1955 | Santa Rosa [S+1.5] | 70 | | Fred Block | | 18th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 70 | | Fred Block | | 10th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 82 | | Greg Teaby | | 4th |
| 5.6.1955 | Santa Rosa [Ladies+FIII] | 89 | | Barbara Hutchinson | | 5th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 90 | | B. Reiser | | 6th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 105 | | George Heaney | | 7th |
| 5.6.1955 | Santa Rosa [Ladies+FIII] | 109 | | Marlese Sweitzer | J. Caffall | 4th |