| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 28 | A | Ray De Costa | | 20th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 31 | TF | William T. Ribbs | | 13th |
| 23.3.1958 | Preliminary Stockton [Novice Sports] | 37 | Special | Phil Washburn | | 5th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 40 | A | Leon Mandel | | 11th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 62 | A | Lee Talbot | | 7th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 84 | TD | Belmont Reid | | 21st |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 92 | A | James Moran | | 16th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 109 | A | Bob Glaeser | | 18th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 110 | TC | John VanderMale | | 15th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 140 | A | Charley Monte | | 17th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 142 | A | LeRon Jensen | | 14th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 148 | A | Rick Hilgers | | 5th |
| 23.3.1958 | Preliminary Stockton [Novice Sports] | 149 | Special | Jerry Lewis | | 2nd |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 152 | A | Ed Leslie | | 3rd |
| 23.3.1958 | Preliminary Stockton [Novice Sports] | 158 | A | Eugene Smith | | 13th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 173 | TF | Bob Downing | | 23rd |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 179 | A | Ed La Mantia | | 22nd |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 183 | A | Ed Crooks | | 19th |
| 23.3.1958 | Preliminary Stockton [Novice Production 1.6] | 193 | A | Scott Krag | | 6th |
| 23.3.1958 | Preliminary Stockton [Novice Sports] | 198 | Special | Malcolm Shroyer | | 8th |
| 29.3.1958 | BARC Mallory Park [Marque] | 63 | A | I. McCulloch | I. McCulloch | 4th |
| 29.3.1958 | BARC Mallory Park [Handicap A] | 68 | A | Ken Mackenzie | K. Mackenzie | 1st |
| 29.3.1958 | BARC Mallory Park [Marque] | 68 | A | Ken Mackenzie | K. Mackenzie | 2nd |
| 29.3.1958 | BARC Mallory Park [Handicap A] | 69 | A | Tommy Entwistle | Tommy Entwistle | 5th |
| 30.3.1958 | Willow Springs [Main] | 46 | A | Bill Swarts | Bill Swarts | DNA |
| 30.3.1958 | Willow Springs [Production 1.6] | 46 | A | Bill Swarts | Bill Swarts | DNA |
| 30.3.1958 | Willow Springs [Main] | 48 | A | Don Stewart | Don Stewart | DNF |
| 30.3.1958 | Willow Springs [Production 1.6] | 48 | A | Don Stewart | Don Stewart | raced |
| 30.3.1958 | Willow Springs [Main] | 51 | Special | Hoppe / Yarter / Haskell | Bart Haskell | DNA |
| 30.3.1958 | Willow Springs [Modified] | 51 | Special | Yarter / Haskell | Bart Haskell | DNA |
| 30.3.1958 | Willow Springs [Ladies] | 51 | Special | H. C. Hoppe | Bart Haskell | DNA |
| 30.3.1958 | Willow Springs [Main] | 52 | V8-60 | Russ Martin | Russ Martin | DNA |
| 30.3.1958 | Willow Springs [Modified] | 52 | V8-60 | Russ Martin | Russ Martin | DNA |
| 30.3.1958 | SCC-BC Abbotsford [Race 1] | 74 | A | Al Doyan | | 2nd |
| 30.3.1958 | Willow Springs [Production 1.6] | 104 | A | Bill Foross | Irma Foross | DNA |
| 30.3.1958 | Willow Springs [Novice] | 104 | A | Bill Foross | Bill Foross | DNA |
| 30.3.1958 | Willow Springs [Main] | 104 | A | Foross / Foross | Bill Foross | DNA |
| 30.3.1958 | Willow Springs [Ladies] | 104 | A | Irma Foross | Irma Foross | DNA |
| 30.3.1958 | Willow Springs [Main] | 143 | TC | Chuck Cornett | George Harm - Radio KARM | DNA |
| 30.3.1958 | Willow Springs [Production 1.6] | 143 | TC | Chuck Cornett | George Harm - Radio KARM | DNA |
| 30.3.1958 | Willow Springs [Ladies] | | A | Barb Nieland | | 1st |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 23 | A | T. L. A. Burgess | | 2nd |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 26 | A | Tommy Entwistle | | 4th |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 27 | TF 1500 | J. P. Hacking | | 1st |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 30 | TD | Harry Ratcliffe | | 14th |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 34 | Magnette | C. W. Buckley | | DNA |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 38 | Magnette | C. W. Jepson | | DNA |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 43 | A | J. H. V. Cross | | 3rd |
| 7.4.1958 | National Brands Hatch [Production] | 86 | A | D. J. Hayles | John Hayles | 3rd |
| 12.4.1958 | Grand Central [Sports] | 2 | A | Leonard Sacke | | raced |
| 12.4.1958 | Grand Central [Sports] | 5 | A | R. Rosen | | DNA |
| 12.4.1958 | Grand Central [1820 Settlers] | 6 | A | Leonard Sacke | | raced |
| 12.4.1958 | Grand Central [Sports] | 6 | A | Ian Fraser Jones | | DNA |
| 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+HP] | 12 | A | Robert Botkin | | 10th |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 12 | A | Robert Botkin | | 22nd |
| 20.4.1958 | Preliminary Galveston [FP+GP] | 14 | A | Louis Heuss | | 5th |
| 20.4.1958 | SCCA Regional 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+GP+HM] | 65 | A | Robert McCallum | | DNF |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 65 | A | Robert McCallum | | 12th |
| 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 [BM+CM+DM+EM+FM] | 133 | A | David Muir | | 14th |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 133 | A | David Muir | | 6th |
| 20.4.1958 | SCCA National Marlboro [FP+HP] | 143 | A | Ben Fowke | | 1st |
| 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] | 181 | A | Dan Donoghue | | 11th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | TD | Johnny Mueller | | ?th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | TD | Joe Steede | | ?th |
| 20.4.1958 | Preliminary Galveston [FP+GP] | | A | Geno Balducci | | 7th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | A | Harold Krech | | DNF |
| 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 | Preliminary Galveston [FP+GP] | | A | Tom Gerber | | 6th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | A | Geno Balducci | | raced |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | A | Tom Gerber | | raced |
| 27.4.1958 | SCCA Regional Lime Rock [FP] | 20 | A | Sherman Decker | | 5th |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 29 | TC | Arch McNeill | | 16th |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 72 | TC | Charles Callanan | | 10th |
| 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 |