| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 4 | Eleven | Thomas Scatchard | | 11th |
| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 29 | Eleven Club | Bob Bucher | | DNF |
| 28.6.1958 | Preliminary Riverside [Modified +1.5] | 23 | | John Timanus | | ?th |
| 28.6.1958 | Preliminary Riverside [Modified 1.5] | 44 | Eleven | Frank Monise | | ?th |
| 29.6.1958 | WJC Charterhall [S1.5] | 7 | Eleven Series 2 | Blackley | T. Dickson | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 7 | Eleven Series 2 | Tom Dickson | T. Dickson | 1st |
| 29.6.1958 | WJC Charterhall [Racing] | 7 | Eleven Series 2 | Tom Dickson | T. Dickson | 2nd |
| 29.6.1958 | WJC Charterhall [S1.5] | 10 | | David Hodgeton | D. J. Hodgeton | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 16 | Eleven | John Romanes | J. L. Romanes | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 16 | Eleven | John Romanes | J. L. Romanes | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 16 | Eleven | John Romanes | J. L. Romanes | raced |
| 29.6.1958 | WJC Charterhall [Racing] | 17 | Eleven Series 1 | Andy Walker | A. Walker | raced |
| 29.6.1958 | WJC Charterhall [S1.5] | 17 | Eleven Series 1 | Andy Walker | A. Walker | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 17 | Eleven Series 1 | Andy Walker | A. Walker | raced |
| 29.6.1958 | WJC Charterhall [S1.5] | 18 | | Jack Slater | J. S. Slater | ?th |
| 29.6.1958 | WJC Charterhall [Racing] | 18 | | Jack Slater | J. S. Slater | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 18 | | Jack Slater | J. S. Slater | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 19 | Eleven | Lewis Bramley | L. Bramley | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 19 | Eleven | Lewis Bramley | L. Bramley | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 19 | Eleven | Lewis Bramley | L. Bramley | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 21 | | John Higham | J. Higham | ?th |
| 29.6.1958 | WJC Charterhall [S1.5] | 21 | | John Higham | J. Higham | 3rd |
| 29.6.1958 | WJC Charterhall [S3.0] | 21 | | John Higham | J. Higham | 3rd |
| 29.6.1958 | WJC Charterhall [Racing] | 22 | Eleven | Malcolm Templeton | M. Templeton | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 22 | Eleven | Malcolm Templeton | M. Templeton | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 22 | Eleven | Malcolm Templeton | M. Templeton | 2nd |
| 29.6.1958 | WJC Charterhall [Racing] | 23 | Eleven | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 23 | Eleven | Ronnie McCutcheon | R. D. McCutcheon | ?th |
| 29.6.1958 | WJC Charterhall [S3.0] | 23 | Eleven | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 29.6.1958 | Riverside [BM+CM+DM+EM] | 23 | | John Timanus | | 6th |
| 29.6.1958 | WJC Charterhall [S1.5] | 24 | Eleven Series 2 | Jimmy Blumer | J. Blumer | 1st |
| 29.6.1958 | WJC Charterhall [S3.0] | 24 | Eleven Series 2 | Jimmy Blumer | J. Blumer | 2nd |
| 29.6.1958 | WJC Charterhall [Racing] | 24 | Eleven Series 2 | Jimmy Blumer | J. Blumer | 3rd |
| 29.6.1958 | WJC Charterhall [S1.5] | 29 | Mark VI | Tom Candlish | T. T. Candlish | DNF |
| 29.6.1958 | WJC Charterhall [S3.0] | 29 | Mark VI | Tom Candlish | T. T. Candlish | DNA |
| 29.6.1958 | WJC Charterhall [S1.5] | 31 | Eleven Sport | A. J. Korczynski | A. J. Korsczynski | ?th |
| 29.6.1958 | WJC Charterhall [S3.0] | 31 | Eleven Sport | A. J. Korczynski | A. Korczynski | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 44 | | Philip Dann | C. Murray | raced |
| 29.6.1958 | WJC Charterhall [S+1.5] | 44 | | Colin Murray | C. Murray | 3rd |
| 29.6.1958 | Riverside [FM+GM+HM] | 44 | Eleven | Frank Monise | | 8th |
| 29.6.1958 | WJC Charterhall [S3.0] | 47 | Eleven | Jim Mackay | J. Mackay | 4th |
| 29.6.1958 | WJC Charterhall [S1.5] | 47 | Eleven | Jim Mackay | J. Mackay | 4th |
| 29.6.1958 | WJC Charterhall [Racing] | 47 | Eleven | Jim Mackay | J. Mackay | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 51 | | Brian Harbin | B. Harbin | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 51 | | Brian Harbin | B. Harbin | 5th |
| 29.6.1958 | Riverside [FM+GM+HM] | 102 | | Jack Nethercutt | | 5th |
| 29.6.1958 | Riverside [FM+GM+HM] | 114 | Eleven | Chuck Schroeder | | 3rd |
| 29.6.1958 | St. Eugene [S1.6] | 145 | Eleven | Jerry Polivka | | 1st |
| 29.6.1958 | Riverside [FM+GM+HM] | 152 | | Bill Evans | | 9th |
| 29.6.1958 | BARC Mallory Park [S1.1] | | Eleven | Jack Westcott | | 3rd |
| 29.6.1958 | BARC Mallory Park [S1.1] | | Eleven | John Campbell-Jones | | 2nd |
| 29.6.1958 | BARC Mallory Park [S1.1] | | Eleven | Mike Taylor | | 1st |
| 29.6.1958 | BARC Mallory Park [S1.1] | | Eleven | Lewis Bramley | | 4th |
| 29.6.1958 | BARC Mallory Park [Sports Unlimited] | | Eleven | John Campbell-Jones | | 3rd |
| 29.6.1958 | BARC Mallory Park [Sports Unlimited] | | Eleven | Mike Taylor | | 1st |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 16 | Eleven | Floyd Aaskov | | 1st |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 26 | Mark IX | Len Bastrup | | 2nd |
| 5.7.1958 | 12 h Reims | 36 | Eleven | Lovely / Ireland | Team Lotus | 8th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 49 | Eleven Le Mans | Thomas Scatchard | | 13th |
| 5.7.1958 | National Open Crystal Palace | 50 | | Gawaine Baillie | Equipe Endeavour | DNA |
| 5.7.1958 | National Open Crystal Palace | 53 | Eleven | David Shale | M. Trimble | raced |
| 5.7.1958 | National Open Crystal Palace | 54 | Eleven | Gordon Jones | G. M. Jones | 4th |
| 5.7.1958 | National Open Crystal Palace [GT] | 66 | Elite | Ian Walker | | 1st |
| 5.7.1958 | National Open Crystal Palace [GT] | 67 | Elite | John Lawry | | 3rd |
| 5.7.1958 | LASC Green Acres [S1.5] | 72 | Mark VI | Oliver Clubine | Ecurie Grande | 1st |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 72 | Mark VI | Oliver Clubine | Ecurie Grande | DNA |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 121 | Eleven | Frank Macauley | | 4th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 122 | Eleven Club | John Porter | | 5th |
| 5.7.1958 | LASC Green Acres [Trophy] | 131 | Mark IX | Dennis Coad | Dennis Coad | 5th |
| 5.7.1958 | LASC Green Acres [S1.5] | 131 | Mark IX | Dennis Coad | Dennis Coad | 1st |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 131 | Mark IX | Dennis Coad | Dennis Coad | DNA |
| 5.7.1958 | LASC Green Acres [S1.5] | 133 | Eleven | Tom Gilmour | Autosport Equipment | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 133 | Eleven | Tom Gilmour | Autosport Equipment | DNA |
| 5.7.1958 | 12 h Reims | | | Campbell-Jones / Piper | | DNF |
| 5.7.1958 | 12 h Reims | | Eleven | Vidilles / Thépenier | | 11th |
| 5.7.1958 | 12 h Reims | | Eleven | Frost / Hicks | | DNF |
| 6.7.1958 | Preliminary Vaca Valley [Ladies+Sedan+FIII+MG-T] | 16 | Eleven | Charlotte Duncan | John Miller | 3rd |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 16 | Eleven | John Miller | John Miller | 19th |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 21 | Eleven Le Mans | Dan Hernandez | Dan Hernandez | 12th |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 24 | Mark VI | Bill Turnbull | W. J. Turnbull | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 27 | Eleven Sport | John Mitchell | E. J. B. Mitchell | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 27 | Eleven Sport | John Mitchell | E. J. B. Mitchell | raced |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 36 | | John Blades | J. Blades | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 37 | Eleven | Stan Peterson | Stan Peterson | 9th |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 39 | Eleven | James Lowe | James Lowe | DNA |
| 6.7.1958 | Preliminary Vaca Valley [Ladies+Sedan+FIII+MG-T] | 39 | Eleven | Marion Lowe | Jim Lowe | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 40 | Mark VI | Averil Scott-Moncrieff | Mrs. A. Scott-Moncrieft | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 45 | | David Hodgeton | D. J. Hodgeton | raced |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 46 | Eleven | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 48 | Eleven | Lewis Bramley | L. I. Bramley | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 52 | Eleven Sport | A. J. Korczynski | A. J. Korczynski | ?th |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 57 | Eleven Series 2 | Tom Dickson | T. Dickson | 2nd |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 68 | | D. S. F. Thompson | D. S. F. Thompson | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 75 | Eleven | Dave Skilling | | 8th |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 87 | Eleven Le Mans | Paul Nau | | 5th |
| 6.7.1958 | Hammond [Main] | | Eleven Sebring | Dave Tallaksen | | 3rd |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | | Eleven | | | DNF |
| 6.7.1958 | Hammond [BP+CP+FM+GM] | | Eleven Sebring | Dave Tallaksen | | 1st |
| 6.7.1958 | Hawaii [S1.6 Heat 2] | | Eleven Le Mans | Cal Niday | | 3rd |
| 6.7.1958 | Hawaii [Main] | | | John Hoogs | | 6th |