| 10.5.1958 | Novice Tracy [Production 1.6] | 9 | A | Bob Glaeser | Bob Glaeser | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 13 | A | Gilbert Haley | Gilbert Haley | DNA |
| 10.5.1958 | 4 h Relay Harewood Acres | 17P | A | Sid Barraclough | Northern Midgets | 10th |
| 10.5.1958 | 4 h Relay Harewood Acres | 20B | A | R. W. Evans | The Hasas | DNF |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 31 | A | Ed La Mantia | Ed La Mantia | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 31 | A | Ted Alexander | Ed La Mantia | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 32 | A | Bob Potter | Robert C. Potter | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 32 | A | LeRon Jensen | Leron Jensen | DNA |
| 10.5.1958 | Novice Tracy [Modified] | 37 | Special | Phil Washburn | Stan Peterson | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 40 | A | Jack Dalton | Ed Crooks | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 49 | TC | Morton Gray | Morton Gray | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 52 | A | Fraser Sibbald | Fraser Sibbald | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 62 | A | Lee Talbot | Lee M. Talbot | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 75 | A | Dan-San Abbott | Dan San Abbott | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 81 | A | John Jordan | John L. Jordan | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 84 | A | Ed Leslie | Ed Leslie | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 93 | A | Charley Monte | Charley Monte | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 110 | TC | John Vondermale | Bob Winkelmann | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 110 | TC | John Vondermale | Bob Winkelmann | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 137 | TF | Charlotte Duncan | Charlotte Duncan | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 137 | TF | Jim Duncan | Charlotte Duncan | ?th |
| 10.5.1958 | Novice Tracy [Production 1.6] | 148 | A | Rick Hilgers | Richard Hilgers | ?th |
| 10.5.1958 | Novice Tracy [Modified] | 158 | A | Eugene Smith | Eugene Smith | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 159 | TD | Belmont Reid | Belmont M. Reid | DNA |
| 10.5.1958 | Novice Tracy [Modified] | 160 | TD | Donald Lewis | Donald F. Lewis | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 182 | A | John May | James Hampton | DNA |
| 10.5.1958 | Novice Tracy [Modified] | 189 | TD | James K. Caspar | James K. Caspar | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 252 | TD | Katharine Bliss | Katharine Bliss | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | | A | Gordon Wilson | Leron Jensen | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | | A | Ed Leslie | | ?th |
| 11.5.1958 | Hawaii [S+1.6] | 8 | Special V8-60 | Gordon Hill | George Reeves | 22nd |
| 11.5.1958 | Hawaii [Locals] | 8 | Special V8-60 | Gordon Hill | George Reeves | 9th |
| 11.5.1958 | Hawaii [Match] | 8A | Special V8-60 | Gordon Hill | George Reeves | DNA |
| 11.5.1958 | Hawaii [S1.6] | 8A | Special | Gordon Hill | George Reeves | 18th |
| 11.5.1958 | Hawaii [Match] | 8A | Special | George Reeves | George Reeves | DNA |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 13 | A | Joanne White | Joann White | 5th |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 31 | A | Ed La Mantia | Ed La Mantia | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 32 | A | Bob Potter | Robert C. Potter | 5th |
| 11.5.1958 | SCCA Regional Tracy [FM+GM+HM] | 37 | Simca Special | Stan Peterson | Stan Peterson | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 40 | A | Jack Dalton | Ed Crooks | 3rd |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 49 | TC | Morton Gray | Morton and Lendal Gray | 1st |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 52 | A | Fraser Sibbald | Fraser Sibbald | 6th |
| 11.5.1958 | Hawaii [Match] | 53 | A | John Hoogs | John Hoogs | DNA |
| 11.5.1958 | Hawaii [S1.6] | 53 | A | John Hoogs | John Hoogs | 17th |
| 11.5.1958 | Hawaii [Production 1.6/Sedan] | 53 | A | John Hoogs | John Hoogs | DNA |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 56 | TD | Marshall Swope | John D. Miller | 4th |
| 11.5.1958 | Hawaii [S1.6] | 59 | Special | Edith White | Edith White | DNA |
| 11.5.1958 | Hawaii [Match] | 59 | Special | Edith White | Edith White | DNA |
| 11.5.1958 | Hawaii [S1.6] | 59A | Special | Harry DeCastro | Harry DeCastro | 7th |
| 11.5.1958 | Hawaii [Match] | 59A | Special | Harry DeCastro | Harry DeCastro | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 75 | A | Dan-San Abbott | Dan San Abbott | DNA |
| 11.5.1958 | Targa Florio | 78 | A | Alfredo Fondi | | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 81 | A | John Jordan | John L. Jordan | 11th |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 84 | A | Ed Leslie | Ed Leslie | 7th |
| 11.5.1958 | SCCA Regional Tracy [CM+DM+EM] | 89 | Special R2 | Jack Duncan | Jack Duncan | DNA |
| 11.5.1958 | Hawaii [Match] | 101 | A | Jack Garner | Jack Garner | DNA |
| 11.5.1958 | Hawaii [Production 1.6/Sedan] | 101 | A | Jack Garner | Jack Garner | DNA |
| 11.5.1958 | Hawaii [S1.6] | 101 | A | Jack Garner | Jack Garner | 12th |
| 11.5.1958 | Hawaii [Locals] | 101 | A | Jack Garner | Jack Garner | 23rd |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 110 | TC | Bob Winkelmann | Bob Winkelmann | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 110 | TC | Bob Winkelmann | Bob Winkelmann | DNA |
| 11.5.1958 | Hawaii [Match] | 118 | A | Wallace Whitcomb | Wallace Whitcomb | DNA |
| 11.5.1958 | Hawaii [Production 1.6/Sedan] | 118 | A | Wallace Whitcomb | Wallace Whitcomb | DNA |
| 11.5.1958 | Hawaii [Locals] | 118 | A | Wallace Whitcomb | Wallace Whitcomb | 26th |
| 11.5.1958 | Hawaii [S1.6] | 118 | A | Wallace Whitcomb | Wallace Whitcomb | 16th |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 137 | TF | John Miller | Charlotte Duncan | 2nd |
| 11.5.1958 | SCCA Regional Tracy [FM+GM+HM] | 149 | Special | Jerry Lewis | Jerry Lewis | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 151 | A | Leonard Gordon | | 9th |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 152 | A | Joyce Sweet | Joyce Anne Sweet | 3rd |
| 11.5.1958 | SCCA Regional Tracy [FM+GM+HM] | 158 | A | Dennis Riley | Dennis Riley | 10th |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 159 | TD | Belmont Reid | Belmont M. Reid | 3rd |
| 11.5.1958 | SCCA Regional Tracy [CM+DM+EM] | 189 | TD | Malcolm Shroyer | Malcolm C. Shroyer | 11th |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 252 | TD | Katharine Bliss | Katherine Bliss | 6th |
| 11.5.1958 | Autosport Mallory Park [PS1.6] | | A | Ken MacKenzie | Ecuire Chiltern | 2nd |
| 11.5.1958 | Autosport Mallory Park [PS1.6] | | A | D. J. Hayles | | 3rd |
| 11.5.1958 | Autosport Mallory Park [PS1.6] | | A | Bob Vincent | | ?th |
| 11.5.1958 | Autosport Mallory Park [PS1.6] | | A | David Dixon | | ?th |
| 15.5.1958 | Aspern [GT1.6] | 67 | A | Peter Hammerschmidt | P. Hammerschmidt | raced |
| 15.5.1958 | Aspern [GT1.6] | 72 | A | Robert Kranz | Robert Kranz | DNA |
| 18.5.1958 | GP Spa [GT2.0] | 28 | A | Romain | | ?th |
| 18.5.1958 | SCCA National Cumberland [FP] | 44 | A | Duncan Black | Duncan Black | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 67 | A | Fred Reynolds | Fred Reynolds | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 68 | A | J. Robb Wilson | J. Robb Wilson | DNA |
| 18.5.1958 | SCCA National Cumberland [GP+HP] | 71 | TC | Charles Henry | Charles A. Henry | raced |
| 18.5.1958 | Preliminary Cumberland [Ladies] | 79 | A | Forsyth | Philip Forsyth | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 79 | A | Phil Forsyth | Philip Forsyth | DNA |
| 18.5.1958 | SCCA National Cumberland [GP+HP] | 85 | TD | Morrow Decker | Dor S. M. Decker, Jr. | raced |
| 18.5.1958 | SCCA National Cumberland [FP] | 92 | A | Edward A. Patterson | Edward A. Patterson | DNA |
| 18.5.1958 | SCCA National Cumberland [GP+HP] | 97 | TF | John Tame | John S. Tame | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 107 | A | Ben Fowke | Benj. G. S. Fowke, Jr. | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 109 | A | Walt Hoover | Walter R. Hoover | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 114 | A | Huntley Perry | Huntley H. Perry | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 121 | A | Homer Dasey | Homer H. Dasey | DNA |
| 18.5.1958 | Preliminary Cumberland [Ladies] | 121 | A | Laura Dasey | Homer H. Dasey | DNA |
| 18.5.1958 | Preliminary Cumberland [Ladies] | 126 | A | Joyce Botkin | Robert F. Botkin, MD. | DNA |
| 18.5.1958 | SCCA National Cumberland [EM+FM] | 139 | A | Roger Walker | Roger B. Walker | DNA |
| 18.5.1958 | SCCA National Cumberland [GP+HP] | 142 | TF | Al Weaver | Al Weaver | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 147 | A | Archie Meihls | Archie Meihls | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 158 | A | David Muir | L. E. Robinson | DNA |
| 18.5.1958 | SCCA National Cumberland [FP] | 174 | A | Gene Parsons | George Eugene Parsons | DNA |