| 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 | SCCA Regional Galveston [FP+GP] | | A | Louis Heuss | | raced |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | TD | Carl Whyte | | ?th |
| 20.4.1958 | SCCA Regional Galveston [FP+GP] | | A | Harold Krech | | DNF |
| 20.4.1958 | Preliminary Galveston [FP+GP] | | A | Geno Balducci | | 7th |
| 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 | Preliminary Louisville [MGA+GP] | | A | Dudley Deimel | | ?th |
| 27.4.1958 | Preliminary Louisville [MGA+GP] | | A | Allen | | ?th |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | A | Dudley Deimel | | ?th |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | A | Denny Cornett | | ?th |
| 27.4.1958 | WJC Charterhall [S1.5] | | A | Entwistle | | raced |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 44 | A | Duncan Black | | DNA |
| 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] | 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 | 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 | 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 | Autosport Silverstone [PS1.6] | 24 | A | Ken MacKenzie | Ecuire Chiltern | 2nd |
| 10.5.1958 | Autosport Silverstone [PS1.6] | | A | Chris Tooley | | raced |
| 10.5.1958 | Autosport Silverstone [PS1.6] | | A | J. A. P. Trafford | | raced |
| 10.5.1958 | Autosport Silverstone [PS1.6] | | A | Tommy Entwistle | | raced |
| 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 | Autosport Silverstone [PS1.6] | | A | D. J. Hayles | | 3rd |