| 29.6.1958 | WJC Charterhall [S3.0] | 7 | | Tom Dickson | T. Dickson | 1st |
| 29.6.1958 | WJC Charterhall [Racing] | 7 | | Tom Dickson | T. Dickson | 2nd |
| 29.6.1958 | WJC Charterhall [S1.5] | 7 | | Blackley | T. Dickson | raced |
| 29.6.1958 | WJC Charterhall [Racing] | 16 | | John Romanes | J. L. Romanes | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 16 | | John Romanes | J. L. Romanes | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 16 | | John Romanes | J. L. Romanes | raced |
| 29.6.1958 | WJC Charterhall [Racing] | 17 | | Andy Walker | A. Walker | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 17 | | Andy Walker | A. Walker | raced |
| 29.6.1958 | WJC Charterhall [S1.5] | 17 | | Andy Walker | A. Walker | raced |
| 29.6.1958 | WJC Charterhall [S1.5] | 19 | | Lewis Bramley | L. Bramley | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 19 | | Lewis Bramley | L. Bramley | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 19 | | Lewis Bramley | L. Bramley | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 22 | | Malcolm Templeton | M. Templeton | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 22 | | Malcolm Templeton | M. Templeton | 2nd |
| 29.6.1958 | WJC Charterhall [S3.0] | 22 | | Malcolm Templeton | M. Templeton | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 23 | | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 23 | | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 23 | | Ronnie McCutcheon | R. D. McCutcheon | ?th |
| 29.6.1958 | WJC Charterhall [Racing] | 24 | | Jimmy Blumer | J. Blumer | 3rd |
| 29.6.1958 | WJC Charterhall [S3.0] | 24 | | Jimmy Blumer | J. Blumer | 2nd |
| 29.6.1958 | WJC Charterhall [S1.5] | 24 | | Jimmy Blumer | J. Blumer | 1st |
| 29.6.1958 | WJC Charterhall [S3.0] | 31 | | A. J. Korczynski | A. Korczynski | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 31 | | A. J. Korczynski | A. J. Korsczynski | ?th |
| 29.6.1958 | WJC Charterhall [Racing] | 47 | | Jim Mackay | J. Mackay | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 47 | | Jim Mackay | J. Mackay | 4th |
| 29.6.1958 | WJC Charterhall [S3.0] | 47 | | Jim Mackay | J. Mackay | 4th |
| 29.6.1958 | St. Eugene [S1.6] | 145 | | Jerry Polivka | | 1st |
| 29.6.1958 | BARC Mallory Park [S1.1] | | | Lewis Bramley | | 4th |
| 29.6.1958 | BARC Mallory Park [S1.1] | | | Jack Westcott | | 3rd |
| 29.6.1958 | BARC Mallory Park [Sports Unlimited] | | #506 | Mike Taylor | | 1st |
| 29.6.1958 | BARC Mallory Park [S1.1] | | | John Campbell-Jones | | 2nd |
| 29.6.1958 | BARC Mallory Park [Sports Unlimited] | | | John Campbell-Jones | | 3rd |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 16 | | Floyd Aaskov | | 1st |
| 5.7.1958 | 12 h Reims | 36 | #338 | Lovely / Ireland | Team Lotus | 8th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 49 | | Thomas Scatchard | | 13th |
| 5.7.1958 | National Open Crystal Palace | 53 | | David Shale | M. Trimble | raced |
| 5.7.1958 | National Open Crystal Palace | 54 | | Gordon Jones | G. M. Jones | 4th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 121 | | Frank Macauley | | 4th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 122 | | John Porter | | 5th |
| 5.7.1958 | LASC Green Acres [S1.5] | 133 | #133 | Tom Gilmour | Autosport Equipment | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 133 | #133 | Tom Gilmour | Autosport Equipment | DNA |
| 5.7.1958 | 12 h Reims | | | Vidilles / Thépenier | | 11th |
| 5.7.1958 | 12 h Reims | | | Frost / Hicks | | DNF |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 14 | | John Romanes | J. L. Romanes | DNS |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 14 | | John Romanes | J. L. Romanes | 5th |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 14 | | John Romanes | J. L. Romanes | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 16 | | John Miller | John Miller | 19th |
| 6.7.1958 | Preliminary Vaca Valley [Ladies+Sedan+FIII+MG-T] | 16 | | Charlotte Duncan | John Miller | 3rd |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 17 | | Andy Walker | A. Walker | 7th |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 21 | | Dan Hernandez | Dan Hernandez | 12th |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 27 | | John Mitchell | E. J. B. Mitchell | raced |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 27 | | Andy Walker | A. Walker | 4th |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 27 | | John Mitchell | E. J. B. Mitchell | DNA |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 27 | | Andy Walker | A. Walker | 6th |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 37 | | Stan Peterson | Stan Peterson | 9th |
| 6.7.1958 | Preliminary Vaca Valley [Ladies+Sedan+FIII+MG-T] | 39 | | Marion Lowe | Jim Lowe | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 39 | | James Lowe | James Lowe | DNA |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 46 | | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 46 | | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 48 | | Lewis Bramley | L. I. Bramley | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 48 | | Lewis Bramley | L. I. Bramley | DNA |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 52 | | A. J. Korczynski | A. J. Korczynski | DNS |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 52 | | A. J. Korczynski | A. J. Korczynski | ?th |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 57 | | Tom Dickson | T. Dickson | 3rd |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 57 | | Tom Dickson | T. Dickson | 2nd |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 57 | | Tom Dickson | T. Dickson | 3rd |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 58 | | Jimmy Blumer | J. Blumer | 2nd |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 58 | | Jimmy Blumer | J. Blumer | DNA |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 58 | | Jimmy Blumer | J. Blumer | DNS |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 75 | | Dave Skilling | | 8th |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 87 | | Paul Nau | | 5th |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | | | | | DNF |
| 6.7.1958 | Hammond [BP+CP+FM+GM] | | | Dave Tallaksen | | 1st |
| 6.7.1958 | Hawaii [S1.6 Heat 2] | | | Cal Niday | | 3rd |
| 6.7.1958 | Hammond [Main] | | | Dave Tallaksen | | 3rd |
| 12.7.1958 | Preliminary Traverse City [Ladies] | 2 | #323 | Margaret Wyllie | | 2nd |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 20 | | M. J. Kingham | | 10th |
| 12.7.1958 | BRSCC Full Sutton [SR] | 20 | | M. J. Kingham | | 9th |
| 12.7.1958 | BRSCC Full Sutton [SR1.5] | 20 | | M. J. Kingham | | 2nd |
| 12.7.1958 | BRSCC Full Sutton [SR1.5] | 21 | | R. J. Cummins | | 6th |
| 12.7.1958 | BRSCC Full Sutton [SR] | 21 | | R. J. Cummins | | 14th |
| 12.7.1958 | BRSCC Full Sutton [SR1.5] | 24 | | Bob Hudson | | 3rd |
| 12.7.1958 | BRSCC Full Sutton [SR1.5] | 25 | | Jimmy Blumer | | 1st |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 27 | | John Romanes | | 14th |
| 12.7.1958 | BRSCC Full Sutton [SR1.5] | 27 | | John Romanes | | 7th |
| 12.7.1958 | BRSCC Full Sutton [SR] | 28 | | Barry Harpin | | 3rd |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 28 | | Barry Harpin | | 3rd |
| 12.7.1958 | BRSCC Full Sutton [SR1.5] | 31 | | Greg Wood | | 5th |
| 12.7.1958 | BRSCC Full Sutton [SR] | 41 | | John Mitchell | | 13th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 41 | | John Mitchell | | 14th |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 41 | | John Mitchell | | 15th |
| 12.7.1958 | Leinster Trophy | | | Malcolm Templeton | | ?th |
| 13.7.1958 | Traverse City [S1.5] | 2 | #323 | Margaret Wyllie | | 3rd |
| 13.7.1958 | Traverse City [Main] | 2 | #323 | M. R. J. Wyllie | | 1st |
| 13.7.1958 | Vila Real | 20 | #311 | John Campbell-Jones | | 4th |
| 13.7.1958 | Vila Real | 40 | | David Piper | | 5th |
| 19.7.1958 | GP Silverstone | 5 | | Jimmy Blumer | Jimmy Blumer | 12th |
| 19.7.1958 | GP Silverstone | 6 | #510 | Keith Greene | Gilby Engineering | 7th |
| 19.7.1958 | GP Silverstone | 10 | #311 | John Campbell-Jones | D. Margulies | 10th |
| 19.7.1958 | GP Silverstone | 11 | #343 | Alan Stacey | Team Lotus | 5th |