| 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 [EM+FM+CP+DP+EP] | 17 | | Clifford Brenna | Cliff Brenna | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+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 [EM+FM+CP+DP+EP] | 23 | | Jerry Hardesty | Jerry Hardesty | 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 [EM+FM+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 [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 [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] | 56 | | Eugene Kent | Eugene Kent | DNA |
| 30.5.1955 | Iowa [Novice +1.5] | 57 | | Jack Boone | Jack Boone | 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] | 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 [BM+CM+DM+EM+CP+DP+EP] | 59 | | Harry Lydick, Jr. | Harry Lydick, Jr. | 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] | 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 [EM+FM+CP+DP+EP] | 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 [Novice +1.5] | 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 [Ladies] | 100 | | Ruth Levy | Ruth Levy (Chris Tanida) | 1st |
| 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 [EM+FM+CP+DP+EP] | 102 | | Herman Guttman | Herman Guttman | DNA |
| 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] | 113 | | David Mott | Dave Mott | 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] | 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 |
| 30.5.1955 | Iowa [Novice +1.5] | 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 [BM+CM+DM+EM+CP+DP+EP] | 144 | | Daniel Lang | Daniel Lang | DNA |
| 30.5.1955 | Iowa [EM+FM+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] | 37 | | Harry Porter | | 15th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 54 | | Jack Graham | | 3rd |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 59 | | L. Bamert | | 8th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 59 | | Hathaway | | 9th |
| 5.6.1955 | Santa Rosa [Production +3.0] | 67 | | John O'Connor | | 14th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 67 | | John O'Connor | | 17th |
| 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 [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 | Novice Santa Rosa [S+1.5] | 90 | | B. Reiser | | 5th |
| 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 | Santa Rosa [Production +3.0] | 109 | | John Caffal | | 16th |
| 5.6.1955 | Santa Rosa [Ladies+FIII] | 109 | | Marlese Sweitzer | J. Caffall | 4th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 120 | | D. Shouse | | 3rd |
| 5.6.1955 | Santa Rosa [Production +3.0] | 121 | | Jack Stalder | | 12th |
| 5.6.1955 | Novice Santa Rosa [S+1.5] | 121 | | Jack Stalder | | 6th |
| 18.6.1955 | Edenvale [Sports] | 2 | | Tom Gilmour | T. R. Gilmour | ?th |
| 18.6.1955 | Edenvale [Formula Libre] | 2 | | Tom Gilmour | T. R. Gilmour | DNA |
| 18.6.1955 | Edenvale [Austin-Healey/TR2/XK120] | 2 | | Tom Gilmour | T. R. Gilmour | DNA |
| 18.6.1955 | GP Edenvale | 2 | | Tom Gilmour | T. R. Gilmour | DNA |
| 18.6.1955 | Edenvale [Austin-Healey/TR2/XK120] | 21 | | Sid W. Blackman | S. W. Blackman | DNA |
| 18.6.1955 | Edenvale [Sports] | 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 | GP Edenvale | 21 | | Sid W. Blackman | S. W. Blackman | DNA |
| 18.6.1955 | GP Edenvale | 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 | Edenvale [Austin-Healey/TR2/XK120] | 27 | | Hugh Sutherland | H. H. F. Sutherland | DNA |
| 18.6.1955 | Edenvale [Sports] | 27 | | Hugh Sutherland | H. H. F. Sutherland | 3rd |
| 18.6.1955 | Edenvale [Sports] | 60 | | Vern Jeffries | Jas. L. Cooke Motors | DNA |
| 18.6.1955 | GP Edenvale | 60 | | Vern Jeffries | Jas. L. Cooke Motors | DNA |
| 18.6.1955 | Edenvale [Austin-Healey/TR2/XK120] | 60 | | Vern Jeffries | Jas. L. Cooke Motors | DNA |
| 18.6.1955 | Edenvale [Formula Libre] | 60 | | Vern Jeffries | Jas. L. Cooke Motors | DNA |
| 18.6.1955 | Preliminary Hansen Dam [Production +1.5] | 68 | | Ralph Phillips | Ralph C. Phillips, Jr. | ?th |
| 18.6.1955 | Edenvale [Formula Libre] | 71 | | Warren Sights | Warren P. Sights, Jr. | DNA |
| 18.6.1955 | Edenvale [Sports] | 71 | | Warren Sights | Warren P. Sights, Jr. | DNA |
| 18.6.1955 | Edenvale [Austin-Healey/TR2/XK120] | 71 | | Warren Sights | Warren P. Sights, Jr. | DNA |
| 18.6.1955 | GP Edenvale | 71 | | Warren Sights | Warren P. Sights, Jr. | DNA |
| 18.6.1955 | BARC Goodwood [Ladies Handicap] | 85 | | Lorna Snow | | 1st |
| 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] | 26 | | John W. Baxter | J. W. Baxter | DNA |
| 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] | 50 | | Karl Kopplin | Karl Kopplin | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 59 | | Emil Stark | Emil Stark | DNA |
| 19.6.1955 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+CP+DP+EP] | 61 | | Jack Moore | Jack Moore | ?th |