| 12.4.1958 | Grand Central [1820 Settlers] | 6 | A | Leonard Sacke | | raced |
| 12.4.1958 | Grand Central [1820 Settlers] | 16 | Lancia Special | Alec Millea | | ?th |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 1 | A | John Free | John Free | DNF |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 31 | A | George Schillreff | | 13th |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 33 | A | Robert Allen | Robert Allen | DNA |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 77 | A | Elliot Forbes-Robinson | Ken Swanson | 7th |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 128 | A | Robert Scurlock | Robert Scurlock | DNS |
| 13.4.1958 | SCCA Regional Palm Springs [FP+GP+KP] | 130 | A | Robert Parker | Robert Parker | 12th |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 6 | A | Stephen Spitler | | 5th |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 6 | A | Jim Robinson | | 7th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 12 | A | Robert Botkin | | 22nd |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 12 | A | Robert Botkin | | 10th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | 14 | A | Louis Heuss | | 5th |
| 20.4.1958 | Preliminary Galveston [FP+GP] | 14 | A | Louis Heuss | | 5th |
| 20.4.1958 | San Salvador | 18 | A | Mario Párraga | Mario Párraga | raced |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 65 | A | Robert McCallum | | 12th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 65 | A | Robert McCallum | | DNF |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 80 | A | Don Urian | | 3rd |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 81 | A | Brad Howes | | 2nd |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 81 | A | Brad Howes | | 16th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 94 | A | Jim Robinson | | DNF |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 94 | A | Roger Walker | | DNF |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 120 | A | Pat Patterson | | 5th |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 120 | A | Pat Patterson | | 9th |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 123 | TD | Morrow Decker | | 9th |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 133 | A | David Muir | | 6th |
| 20.4.1958 | SCCA National Marlboro [BM+CM+DM+EM+FM] | 133 | A | David Muir | | 14th |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 143 | A | Ben Fowke | | 8th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 143 | A | Ben Fowke | | 12th |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 143 | A | Ben Fowke | | 1st |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 181 | A | Dan Donoghue | | 11th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | A | Tom Gerber | | raced |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | A | Geno Balducci | | raced |
| 20.4.1958 | Preliminary Galveston [FP+GP] | | A | Tom Gerber | | 6th |
| 20.4.1958 | Preliminary Galveston [FP+GP] | | A | Geno Balducci | | 7th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | TD | Carl Whyte | | ?th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | A | Louis Heuss | | raced |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | A | Harold Krech | | DNF |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | TD | Joe Steede | | ?th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | TD | Johnny Mueller | | ?th |
| 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] | 20 | A | Sherman Decker | | 5th |
| 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 [GP+HM+Sedan] | 29 | TC | Arch McNeill | | 16th |
| 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 [R/S+500] | 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 [S1.5] | 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 [GP+HM+Sedan] | 72 | TC | Charles Callanan | | 10th |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 118 | A | Wain Donoghue | | 15th |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 143 | TC | Jack Provan | | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 151 | A | Paul Romano | | 22nd |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 154 | TC | K. Lawrence | | 13th |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 158 | A | Davis | | 24th |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 160 | A | Dennis Miller | | 19th |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | A | Denny Cornett | | ?th |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | A | Dudley Deimel | | ?th |
| 27.4.1958 | WJC Charterhall [S1.5] | | A | Entwistle | | raced |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | A | Allen | | ?th |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | A | Dudley Deimel | | ?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 | 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 | Autosport Silverstone [PS1.6] | 24 | A | Ken MacKenzie | Ecuire Chiltern | 2nd |
| 10.5.1958 | Novice Tracy [Production 1.6] | 31 | A | Ted Alexander | Ed La Mantia | 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 | Novice Tracy [Production 1.6] | 62 | A | Lee Talbot | Lee M. Talbot | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 93 | A | Charley Monte | Charley Monte | DNA |
| 10.5.1958 | Novice Tracy [Production 1.6] | 110 | TC | John Vondermale | Bob Winkelmann | 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 | Autosport Silverstone [PS1.6] | | A | Chris Tooley | | raced |
| 10.5.1958 | Autosport Silverstone [PS1.6] | | A | Tommy Entwistle | | raced |
| 10.5.1958 | Autosport Silverstone [PS1.6] | | A | J. A. P. Trafford | | raced |
| 10.5.1958 | Autosport Silverstone [PS1.6] | | A | D. J. Hayles | | 3rd |
| 10.5.1958 | Novice Tracy [Production 1.6] | | A | Leonard Gordon | | 2nd |
| 10.5.1958 | Novice Tracy [Production 1.6] | | A | Ed Leslie | | ?th |
| 10.5.1958 | Novice Tracy [Production 1.6] | | TC | John VanderMale | | 24th |