| 15.5.1955 | SCCA National Cumberland [CP] | 1 | | John B. Mull | J. B. Mull | 5th |
| 15.5.1955 | SCCA National Cumberland [CP] | 29 | | Bob Bucher | Bob Bucher | DNF |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 48 | | Peggy McClure | G. A. McClure | DNA |
| 15.5.1955 | SCCA National Cumberland [CP] | 49 | | George Constantine | G. J. Constantine | 3rd |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 49 | | Mary Constantine | George J. Constantine | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 53 | | Arthur W. German | | 6th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 69 | | Jack Shaver | R. J. Shaver | 5th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 118 | | W. M. Ferro | W. M. Ferro | 7th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 140 | | E. Bowman | E. Bowman | 8th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 156 | | Bernard Lust | B. Lust | 19th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 159 | | H. W. Bowen | H. W. Bowen | 12th |
| 15.5.1955 | SCCA National Cumberland [CP] | 168 | | Jack Manting | J. Manting | DNA |
| 15.5.1955 | SCCA National Cumberland [CP] | 175 | | Richard Perrin | R. A. Perrin | DNA |
| 15.5.1955 | SCCA National Cumberland [CP] | 205 | | Chuck Sarle | C. R. Sarle | 4th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 207 | | Gerald Lehrer | G. Lehrer | 10th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 248 | | G. T. Mantzoros | G. T. Mantzoros | 16th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 251 | | Paul McGeorge | P. McGeorge | 9th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 0 | | John Knight | | 6th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 1 | | Richard Perrin | | 1st |
| 29.5.1955 | SCCA Regional Thompson [Match Race] | 1 | | Richard Perrin | | 2nd |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 49 | | George Constantine | | 2nd |
| 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 | SCCA Regional Thompson [Jaguar] | 143 | | Richard Kessler | | 4th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 148 | | Michael Caldwell | | 10th |
| 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] | 23 | | Jerry Hardesty | Jerry Hardesty | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 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 [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 [BM+CM+DM+EM+CP+DP+EP] | 29 | | Howard Andreasen | Howard Andreasen | DNA |
| 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 [EM+FM+CP+DP+EP] | 33 | | John Kilborn | John Kilborn | raced |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 50 | | Karl Kopplin | Karl Kopplin | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 50 | | Karl Kopplin | Karl Kopplin | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 56 | | Eugene Kent | Eugene Kent | 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 [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 [BM+CM+DM+EM+CP+DP+EP] | 59 | | Harry Lydick, Jr. | Harry Lydick, Jr. | 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 [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 [BM+CM+DM+EM+CP+DP+EP] | 77 | | Bruce Carson | Bruce Carson | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 77 | | Bruce Carson | Bruce Carson | DNA |
| 30.5.1955 | Iowa [Ladies] | 82 | | Carol Komisar | Carol Komisar | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 85 | | Jack Kisner | Jack Kisner | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 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 [Novice +1.5] | 91 | | Dean Kemmerer | Dean Kemmerer | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 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 [Ladies] | 100 | | Ruth Levy | Ruth Levy (Chris Tanida) | 1st |
| 30.5.1955 | Iowa [Novice +1.5] | 100 | | Ruth Levy | Ruth Levy (Chris Tanida) | 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 [EM+FM+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 [BM+CM+DM+EM+CP+DP+EP] | 115 | | B. D. Super | B. D. Super | DNA |
| 5.6.1955 | Santa Rosa [Production +3.0] | 27 | | Skip Conklin | | 2nd |
| 5.6.1955 | Santa Rosa [Production +3.0] | 37 | | Harry Porter | | 15th |
| 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 | Novice Santa Rosa [S+1.5] | 68 | | Jim Woods | | 14th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 68 | | Jim Woods | | 8th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 69 | | Morton Gray | | 13th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 69 | | Morton Gray | | 15th |
| 5.6.1955 | Santa Rosa [Ladies+FIII] | 89 | | Barbara Hutchinson | | 5th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 90 | | B. Reiser | | 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 | Novice Santa Rosa [S+1.5] | 105 | | George Heaney | | 10th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 120 | | D. Shouse | | 3rd |
| 18.6.1955 | Edenvale [Sports] | 21 | | Sid W. Blackman | S. W. Blackman | DNA |
| 18.6.1955 | GP Edenvale | 21 | | Sid W. Blackman | S. W. Blackman | DNA |
| 18.6.1955 | Edenvale [Austin-Healey/TR2/XK120] | 21 | | Sid W. Blackman | S. W. Blackman | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 21 | | Sid W. Blackman | S. W. Blackman | DNA |
| 18.6.1955 | Edenvale [Austin-Healey/TR2/XK120] | 27 | | Hugh Sutherland | H. H. F. Sutherland | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 27 | | Hugh Sutherland | H. H. F. Sutherland | DNA |
| 18.6.1955 | GP Edenvale | 27 | | Hugh Sutherland | H. H. F. Sutherland | DNA |
| 18.6.1955 | Edenvale [Sports] | 27 | | Hugh Sutherland | H. H. F. Sutherland | 3rd |
| 18.6.1955 | Preliminary Hansen Dam [Production +1.5] | 68 | | Ralph Phillips | Ralph C. Phillips, Jr. | ?th |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 19 | | Walter Heermann | Walt Heermann | ?th |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 47 | | Bruce Carson | Bruce Carson | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 67 | | Jerry Hardesty | Jerry Hardesty | DNA |
| 19.6.1955 | Hansen Dam [S+1.5] | 68 | | Ralph Phillips | Ralph C. Phillips, Jr. | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 85 | | Thurl Kisner | Thurl Kisner | DNA |
| 19.6.1955 | Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 85 | | Jack Kisner | Thurl Kisner | ?th |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 99 | | Raymont Szeliga | Raymont Szeliga | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 999 | | Robert Gatz | Robt. Gatz | DNA |