| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 9 | | M. V. Mackie | M. V. Mackie | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 9 | | M. V. Mackie | M. V. Mackie | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 10 | Eleven | A. P. Belcher | A. P. Belcher | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 10 | Eleven | A. P. Belcher | A. P. Belcher | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 11 | Eleven | J. van Vlymen | J. Van Vlymen | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 11 | Eleven | J. van Vlymen | J. Van Vlymen | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 12 | Eleven | Francis Francis | F. Francis | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 15 | | Derek Randall | D. Randall | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 15 | | Derek Randall | D. Randall | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 17 | Eleven | Stuart Dodd | S. Dodd | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 19 | Eleven Le Mans | David Brough | Team Sapphire | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 20 | Eleven | Len Gibbs | L. Gibbs | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 20 | Eleven | Len Gibbs | L. Gibbs | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 22 | Eleven | Keith Ralphs | K. Ralphs | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 22 | Eleven | Keith Ralphs | K. Ralphs | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 23 | Eleven | George Ralphs | G. Ralphs | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 23 | Eleven | George Ralphs | G. Ralphs | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 26 | | E. G. Manton | Dr. E. G. Manton | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 26 | | E. G. Manton | Dr. E. G. Manton | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 28 | | V. De Coene | V. De Coene | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 29 | Eleven | Mark Fitzalan Howard | M. Fitzalan Howard | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 29 | Eleven | Mark Fitzalan Howard | M. Fitzalan Howard | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 30 | Eleven | Bill Allen | Curtis Smith Racing Team | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 30 | Eleven | Bill Allen | Curtis Smith Racing Team | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 32 | Eleven | Peter Heath | E. P. Heath | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 32 | Eleven | Peter Heath | E. P. Heath | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 33 | Eleven Sport | Ralph Walker | R. Walker | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 33 | Eleven Sport | Ralph Walker | R. Walker | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 34 | Mark VI | John Woolfe | J. Woolfe | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 35 | Eleven Sport | Peter Anders | P. D. Anders | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 36 | | David Robertson | D. L. Robertson | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 37 | Mark VI | John Whitmore | Whitmore Racing Syndicate | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 38 | | Dick Crosfield | R. J. Crosfield | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 39 | | Gil Baird | G. R. Baird | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 39 | | Gil Baird | G. R. Baird | DNA |
| 30.8.1958 | Brands Hatch [S1.5] | 41 | Eleven | John Wagstaff | John Wagstaff | DNQ |
| 30.8.1958 | Brands Hatch [S1.5] | 42 | Eleven | Graham Hill | Chequered Flag | 2nd |
| 30.8.1958 | Brands Hatch [S1.5] | 43 | Eleven Hume | Chris Bristow | Bradstock Motors | DNF |
| 30.8.1958 | NSCC Silverstone [S1.5] | 44 | Eleven | Mike Dickens | Team Sapphire | DNA |
| 30.8.1958 | Preliminary Santa Barbara [GM+HM] | 44 | Eleven | Frank Monise | | DNF |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 44 | Eleven | Mike Dickens | Team Sapphire | DNA |
| 30.8.1958 | Brands Hatch [S1.5] | 44 | Eleven | David Shale | M. Trimble | DNQ |
| 30.8.1958 | Brands Hatch [S1.5] | 45 | Eleven | Gordon Jones | Gordon Jones | DNF |
| 30.8.1958 | Brands Hatch [S1.5] | 46 | Eleven | Peter Ashdown | Team Lotus | DNS |
| 30.8.1958 | Brands Hatch [S1.5] | 47 | Eleven | Alan Stacey | Team Lotus | 1st |
| 30.8.1958 | Brands Hatch [S1.5] | 48 | Eleven | Bill Frost | Bill Frost | DNA |
| 30.8.1958 | Brands Hatch [S1.5] | 49 | Eleven | Keith Greene | Gilby Eng | DNQ |
| 30.8.1958 | Brands Hatch [S1.5] | 50 | Eleven Series 2 | Jimmy Blumer | Jimmy Blumer | 5th |
| 30.8.1958 | Brands Hatch [S1.5] | 51 | Eleven | Bob Hicks | Bob Hicks | DNF |
| 30.8.1958 | Brands Hatch [S1.5] | 52 | Eleven | Tom Dickson | Dickson Motors | 4th |
| 30.8.1958 | Brands Hatch [S1.5] | 53 | Eleven | Les Leston | J. Fisher | 3rd |
| 30.8.1958 | Brands Hatch [S1.5] | 54 | Eleven | John Campbell-Jones | John Campbell-Jones | DNQ |
| 30.8.1958 | Brands Hatch [S1.5] | 55 | Eleven | Peter Tomei | J. Hine Cars | DNQ |
| 30.8.1958 | Brands Hatch [S1.5] | 56 | Eleven | David Piper | David Piper | DNQ |
| 30.8.1958 | Brands Hatch [S1.5] | 57 | Eleven | Jack Westcott | I. Ireland Ltd. | DNQ |
| 30.8.1958 | Brands Hatch [S1.5] | 58 | Eleven | Mike Taylor | I. Ireland Ltd. | DNF |
| 30.8.1958 | Brands Hatch [S1.5] | 59 | Eleven Le Mans Series 2 | Douglas Graham | I. Ireland Ltd. | 6th |
| 30.8.1958 | Brands Hatch [S1.5] | 60 | Eleven | Pat Massey-Dawson | Pat Massey-Dawson | DNQ |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 64 | Eleven | David Buxton | Peveril Equipe | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 64 | Eleven | David Buxton | Peveril Equipe | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 65 | Eleven | Lewis Bramley | L. Bramley | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 65 | Eleven | Lewis Bramley | L. Bramley | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 66 | | Chris Meek | Ecurie White Rose | DNA |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 2] | 66 | | Chris Meek | Ecurie White Rose | DNA |
| 30.8.1958 | Brands Hatch [S1.5] | 69 | Eleven | Peter Arundell | Cranham Service St | DNF |
| 30.8.1958 | Brands Hatch [S1.5] | 70 | Eleven | Peter Riley | Peter Riley | 7th |
| 30.8.1958 | NSCC Silverstone [S1.1 Heat 1] | 70 | | John Mitchell | Ecurie White Rose | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 1] | 70 | | John Mitchell | Ecurie White Rose | DNA |
| 30.8.1958 | Brands Hatch [S1.5] | 71 | Eleven | Don Iszatt | Don Iszatt | DNA |
| 30.8.1958 | Preliminary Santa Barbara [GM+HM] | 116 | Eleven | Chuck Schroeder | | 2nd |
| 30.8.1958 | Preliminary Santa Barbara [EM+FM] | | Mark X | John Timanus | | DNF |
| 30.8.1958 | Preliminary Santa Barbara [Novice] | | Eleven | Jack Reddish | | ?th |
| 30.8.1958 | Preliminary Santa Barbara [GM+HM] | | | Jock Ross | | 3rd |
| 30.8.1958 | Preliminary Santa Barbara [GM+HM] | | Eleven | Skip Conklin | | 1st |
| 31.8.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM+UR] | 12 | Eleven | Todd Aikens | Todd Aikens | DNA |
| 31.8.1958 | Preliminary Mansfield [FM+GM+HM+FIII] | 12 | Eleven | Todd Aikens | Todd Aikens | DNA |
| 31.8.1958 | Preliminary Thompson [FM+GM] | 14 | Eleven | Floyd Aaskov | | 3rd |
| 31.8.1958 | Preliminary Thompson [FM+GM] | 26 | Mark IX | Len Bastrup | | DNF |
| 31.8.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM+UR] | 31 | Eleven Le Mans | John Goans | Dave Kiser | DNA |
| 31.8.1958 | Preliminary Mansfield [FM+GM+HM+FIII] | 31 | Eleven Le Mans | John Goans | Dave Kiser | DNA |
| 31.8.1958 | Preliminary Thompson [FM+GM] | 41 | Eleven | Bill Schade | | 5th |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 44 | Eleven | Frank Monise | | 8th |
| 31.8.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM+UR] | 54 | Eleven | Dave Tallaksen | Dave Tallaksen | DNA |
| 31.8.1958 | Preliminary Mansfield [FM+GM+HM+FIII] | 54 | Eleven | Dave Tallaksen | Dave Tallaksen | DNA |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 91 | Mark IX | Harvey Mayer | | 12th |
| 31.8.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM+UR] | 99 | Eleven | Tom Newcomer | E. Tom Newcomer | DNA |
| 31.8.1958 | Preliminary Mansfield [FM+GM+HM+FIII] | 99 | Eleven | Tom Newcomer | E. Tom Newcomer | DNA |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 116 | Eleven | Chuck Schroeder | | 6th |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 117 | Mark VI | Harry Hanford | | 7th |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 151 | Eleven Club | Don Maslin | | 22nd |
| 31.8.1958 | Deer Park [FM+GM+HM] | | Eleven | Pierre Phillips | | 3rd |
| 31.8.1958 | Deer Park [FM+GM+HM] | | Eleven Le Mans | Pat Pigott | | 2nd |
| 31.8.1958 | Courtland [GM+FP+GP+HP] | | Eleven | Jim Hunt | | 1st |
| 31.8.1958 | Courtland [GM+FP+GP+HP] | | Eleven | Robert McKaughn | | 3rd |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 14 | Eleven | Floyd Aaskov | | 1st |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 26 | Mark IX | Len Bastrup | | 17th |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 41 | Eleven | Bill Schade | | 5th |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 67 | Eleven | Tom Fleming | | 14th |
| 1.9.1958 | St. Eugene [S1.6] | | Eleven | Jerry Polivka | | 1st |
| 6.9.1958 | Sunbac Silverstone [Hadicap 1] | | Mark VI | John Whitmore | | 2nd |