| 27.4.1958 | SCCA Regional Lime Rock [FP] | 6 | A | George Schaab | | 18th |
| 27.4.1958 | WJC Charterhall [S1.5] | 9 | TC | P. H. Howarth | P. Howarth | DNA |
| 27.4.1958 | WJC Charterhall [S1.5] | 14 | A | J. Maurice | J. Maurice | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 17 | A | George Valentine | | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 21 | A | Henry Van Deusen | | 11th |
| 27.4.1958 | WJC Charterhall [S1.5] | 28 | A | J. D. Jackson | J. D. Jackson | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 30 | A | Millard Ripley | | 9th |
| 27.4.1958 | WJC Charterhall [S1.5] | 32 | TC Special | J. M. Swift | J. M. Swift | ?th |
| 27.4.1958 | WJC Charterhall [S2.0] | 32 | TC Special | J. M. Swift | J. M. Swift | DNA |
| 27.4.1958 | WJC Charterhall [S1.5] | 33 | A | Jack Richmond | J. M. Richmond | raced |
| 27.4.1958 | WJC Charterhall [S2.0] | 33 | A | Jack Richmond | J. M. Richmond | raced |
| 27.4.1958 | WJC Charterhall [R/S+500] | 33 | A | Jack Richmond | J. M. Richmond | raced |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 42 | A | Don Urian | | 8th |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 54 | A | James Stevens | | 12th |
| 27.4.1958 | WJC Charterhall [S1.5] | 68 | A | John Milne | J. E. Milne | DNA |
| 27.4.1958 | WJC Charterhall [S2.0] | 68 | A | John Milne | J. E. Milne | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 118 | A | Wain Donoghue | | 15th |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | A | Dudley Deimel | | ?th |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | A | Dudley Deimel | | ?th |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | A | Allen | | ?th |
| 27.4.1958 | WJC Charterhall [S1.5] | | A | Entwistle | | raced |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | A | Denny Cornett | | ?th |
| 4.5.1958 | Preliminary Virginia [FP+GP+HP+KP+HM] | 44 | A | Duncan Black | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 44 | A | Duncan Black | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 114 | | Huntley Perry | | DNA |
| 4.5.1958 | Preliminary Virginia [FP+GP+HP+KP+HM] | 114 | | Huntley Perry | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 188 | | Roger Walker | | DNA |
| 4.5.1958 | Preliminary Virginia [FP+GP+HP+KP+HM] | 188 | | Roger Walker | | DNA |
| 10.5.1958 | 4 h Relay Harewood Acres | 2P | A | Ian Grant | Ecurie Vite | 2nd |
| 10.5.1958 | 4 h Relay Harewood Acres | 2C | A | Jack Broad | Ecurie Vite | 2nd |
| 10.5.1958 | 4 h Relay Harewood Acres | 4P | TD | Ken Mansell | Ecurie Leadfoot | 19th |
| 10.5.1958 | 4 h Relay Harewood Acres | 4A | TD | Van Worsdale | Ecurie Leadfoot | 19th |
| 10.5.1958 | 4 h Relay Harewood Acres | 4B | TD | Dick Shelton | Ecurie Leadfoot | 19th |
| 10.5.1958 | 4 h Relay Harewood Acres | 4C | TD | Norman Addison | Ecurie Leadfoot | 19th |
| 10.5.1958 | 4 h Relay Harewood Acres | 6C | TD | Norm Croucher | Oaktra Four | 20th |
| 10.5.1958 | 4 h Relay Harewood Acres | 8B | A | J. W. Craven | The Hamcees | 12th |
| 10.5.1958 | Novice Tracy [Production 1.6] | 9 | A | Bob Glaeser | Bob Glaeser | DNA |
| 10.5.1958 | 4 h Relay Harewood Acres | 10B | A | Harry Haigh | Ecurie Grande | 13th |
| 10.5.1958 | 4 h Relay Harewood Acres | 10C | A | Harry Entwistle | Ecurie Grande | 13th |
| 10.5.1958 | 4 h Relay Harewood Acres | 11P | TD | Don Hambly | The Midgets | 17th |
| 10.5.1958 | 4 h Relay Harewood Acres | 11A | A | Louis Levtov | The Midgets | 17th |
| 10.5.1958 | 4 h Relay Harewood Acres | 11B | A | Steven Broady | The Midgets | 17th |
| 10.5.1958 | 4 h Relay Harewood Acres | 11C | A | Lorne Punchon | The Midgets | 17th |
| 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 | 17A | A | P. J. Miles | Northern Midgets | 10th |
| 10.5.1958 | 4 h Relay Harewood Acres | 17B | A | N. E. Sheir | Northern Midgets | 10th |
| 10.5.1958 | 4 h Relay Harewood Acres | 17C | A | E. Jones | Northern Midgets | 10th |
| 10.5.1958 | 4 h Relay Harewood Acres | 20B | A | R. W. Evans | The Hasas | DNF |
| 10.5.1958 | Novice Tracy [Production 1.6] | 31 | A | Ted Alexander | Ed La Mantia | DNA |
| 10.5.1958 | Preliminary Tracy [Production 1.6] | 31 | A | Ed La Mantia | 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 | Novice Tracy [Production 1.6] | | A | Leonard Gordon | | 2nd |
| 10.5.1958 | Novice Tracy [Production 1.6] | | TC | John VanderMale | | 24th |
| 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 [Locals] | 8 | Special V8-60 | Gordon Hill | George Reeves | 9th |
| 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 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 56 | TD | Marshall Swope | John D. Miller | 4th |
| 11.5.1958 | SCCA Regional Tracy [Production Group A] | 75 | A | Dan-San Abbott | Dan San Abbott | 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 | 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 [Locals] | 118 | A | Wallace Whitcomb | Wallace Whitcomb | 26th |
| 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 [MG+Ladies+Sedan+FIII] | 252 | TD | Katharine Bliss | Katherine Bliss | 6th |