| 24.5.1958 | BRSCC Full Sutton [SR] | 19 | Mark VI | Tom Candlish | | 17th |
| 24.5.1958 | BRSCC Full Sutton [SR] | 22 | Eleven Series 2 | Tom Dickson | | 2nd |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 22 | Eleven Series 2 | Tom Dickson | | 1st |
| 24.5.1958 | BRSCC Full Sutton [SR] | 23 | Eleven | Stuart Dodd | | 11th |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 23 | Eleven | Stuart Dodd | | 3rd |
| 24.5.1958 | BRSCC Full Sutton [SR] | 24 | | F. P. Massy Dawson | | 5th |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 24 | | F. P. Massy Dawson | | 12th |
| 24.5.1958 | BRSCC Full Sutton [SR/R] | 27 | Mark IX | Rodney Bloor | | 11th |
| 24.5.1958 | BRSCC Full Sutton [SR] | 27 | Mark IX | Warwick Bloor | | 7th |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 27 | Mark IX | Rodney Bloor | | 8th |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 29 | Eleven Series 2 | Lewis Bramley | | 6th |
| 24.5.1958 | BRSCC Full Sutton [SR] | 30 | Eleven | Bill Allen | | 12th |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 31 | Eleven | B. R. Potter | | 11th |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 32 | Eleven Club | Ralph Walker | | 9th |
| 24.5.1958 | BRSCC Full Sutton [SR] | 34 | Eleven | Greg Wood | | 16th |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 37 | Eleven Sport | Peter Anders | | 10th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 44 | | B. A. Cooper | | 17th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 48 | | C. W. Jepson | | 15th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 49 | Mark VI | A. R. Darley | | 9th |
| 24.5.1958 | BRSCC Full Sutton [SR] | 50 | | J. S. E. Leighton | | 15th |
| 24.5.1958 | BRSCC Full Sutton [SR] | 52 | Mark VI | D. M. Pownall | | 19th |
| 24.5.1958 | BRSCC Full Sutton [SR1.5] | 52 | Mark VI | D. M. Pownall | | 13th |
| 24.5.1958 | BRSCC Full Sutton [SR] | 66 | | Philip Dann | | 9th |
| 25.5.1958 | GP des Frontières | 8 | Eleven | André Wicky | | DNF |
| 25.5.1958 | GP des Frontières | 14 | 15 | Pierre Berchem | | DNF |
| 25.5.1958 | GP des Frontières | 22 | Eleven | David Piper | | 8th |
| 25.5.1958 | GP des Frontières | 28 | Eleven Series 2 | John Campbell-Jones | | 5th |
| 25.5.1958 | GP des Frontières | 34 | Eleven | Gordon Fowell | | 6th |
| 25.5.1958 | GP des Frontières | 36 | Eleven Series 2 | Jimmy Blumer | | 3rd |
| 25.5.1958 | Hourglass Field [Modified] | | Eleven | Eugene Scholl | | 3rd |
| 25.5.1958 | National Open Crystal Palace [S1.1] | | Eleven | Alan Stacey | | 1st |
| 25.5.1958 | National Open Crystal Palace [S1.1] | | Eleven | Mike Taylor | | 3rd |
| 25.5.1958 | National Open Crystal Palace [S1.1] | | Eleven | Innes Ireland | | 2nd |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 1 | Eleven | Stuart Dodd | C. S. Dodd | raced |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 2 | | D. H. Swanton | D. H. Swanton | raced |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 3 | | Edward Greenall | J. King | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 4 | Eleven | Lewis Bramley | L. I. Bramley | raced |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 5 | Eleven | Peter Ashdown | Team Lotus | 1st |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 6 | Eleven Series 2 | Tom Dickson | Dickson Motors (Perth) Ltd. | DNF |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 7 | | M. V. Mackie | M. V. Mackie | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 8 | Eleven | Len Gibbs | L. Gibbs | raced |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 9 | Eleven | Barry Harpin | B. Harpin | raced |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 10 | Eleven | Bill Allen | W. E. J. Allen | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 11 | | John Higham | Ecurie White Rose | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 12 | Eleven Series 2 | John Burgess | Ecurie White Rose | raced |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 14 | Eleven Series 2 | Colin Escott | C. G. Escott | 3rd |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 15 | Eleven | Peter Arundell | Cranham Service Station | raced |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 16 | Eleven | Geoff Williamson | G. H. Williamson | DNQ |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 17 | Eleven Sport | John Mitchell | E. J. B. Mitchell | DNQ |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 18 | | J. S. E. Leighton | Scuderia Birchwood | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 19 | | W. G. Teale | W. G. Teale | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 21 | Elite | Ian Walker | I. Walker | raced |
| 26.5.1958 | Autosport Mallory Park [PS1.6] | 21 | Elite | Ian Walker | I. Walker | 1st |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 26 | | Gil Baird | G. Baird | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 27 | Eleven Le Mans | Alex McMillan | A. McMillan | DNQ |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 28 | Eleven Le Mans | David Brough | Team Sapphire | raced |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 29 | Eleven | Mike Dickens | Team Sapphire | DNQ |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 30 | Eleven Sport | Bob Staples | Ecurie Gnuts | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 31 | Eleven | Gordon Jones | G. M. Jones | raced |
| 26.5.1958 | Autosport Mallory Park [PS1.6] | 43 | Elite | John Lawry | Arden Racing & Sports Cars | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 69 | Eleven | Lionel Mayman | Kay Garages | DNF |
| 26.5.1958 | BARC Goodwood [Handicap] | | | Bob Hicks | | 2nd |
| 26.5.1958 | Whitsun Goodwood | | Eleven | Bill Frost | | 6th |
| 26.5.1958 | Whitsun Goodwood | | Eleven | Bob Hicks | | 5th |
| 26.5.1958 | Whitsun Goodwood | | Eleven Hume | Chris Bristow | | 3rd |
| 26.5.1958 | BARC Goodwood [Handicap] | | | C. Mitford | | raced |
| 31.5.1958 | Preliminary La Junta [BM+CM+DM+EM+FM+GM] | 2 | Eleven | Todd Aikens | | 7th |
| 31.5.1958 | SCCA National Bridgehampton [FM+GM] | 8 | Eleven Le Mans | Charles Moran | | 10th |
| 31.5.1958 | SCCA National Bridgehampton [FM+GM] | 12 | Eleven | Floyd Aaskov | | 4th |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 21 | Eleven Le Mans | Byron J. Snow, Jr. | Daniel Hernandez | DNA |
| 31.5.1958 | SCCA National Bridgehampton [FM+GM] | 21 | Eleven | Warren Rohlfs | | 8th |
| 31.5.1958 | Preliminary Santa Barbara [Modified +1.5] | 23 | Mark X | John Timanus | John Timanus | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 27 | Eleven | Skip Conklin | Skip Conklin | DNA |
| 31.5.1958 | Preliminary La Junta [BM+CM+DM+EM+FM+GM] | 29 | Eleven | Robin Benson | | 8th |
| 31.5.1958 | SCCA National Bridgehampton [FM+GM] | 35 | Eleven | Frank Baptista | | DNF |
| 31.5.1958 | Preliminary Santa Barbara [Ladies] | 39 | Eleven | Marion Lowe | James Rowland Lowe | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 39 | Eleven | James Lowe | James Rowland Lowe | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 44 | Eleven | Frank Monise | Frank Monise | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 102 | Eleven | Jack Nethercutt | Jack Nethercutt | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 116 | Eleven | Chuck Schroeder | Chuck Schroeder | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 117 | Mark VI | Harry J. Hanford | Harry C. Hanford | DNA |
| 31.5.1958 | SCCA National Bridgehampton [FM+GM] | 136 | Eleven | Sy Kaback | | 12th |
| 31.5.1958 | SCCA National Bridgehampton [FM+GM] | 141 | Eleven | Joe Helweg | | DNF |
| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 142 | Mark IX | Felix Christiano | | DNA |
| 31.5.1958 | LASC Green Acres [S/GT1.6] | 145 | Mark IX | Jerry Polivka | | raced |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 152 | | Charles Evans | Jay Chamberlain | DNA |
| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 158 | Mark VI | Robert Moogk | | 3rd |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 251 | Eleven Club | Ken Miles | Elmer Grimsgaard | DNA |
| 31.5.1958 | LASC Green Acres [Main] | | Mark IX | Dennis Coad | | 2nd |
| 31.5.1958 | LASC Green Acres [S/GT1.6] | | | Dennis Coad | | 2nd |
| 31.5.1958 | ICNSCC Deer Park [Modified] | | | Pete Lovely | | 6th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 21 | Eleven Le Mans | Byron J. Snow, Jr. | Daniel Hernandez | DNA |
| 1.6.1958 | 1000 km Nürburgring | 29 | Eleven | Piper / Greene | David Piper | 15th |
| 1.6.1958 | 1000 km Nürburgring | 36 | Eleven Series 2 | Horridge / Monaco | Dan Margulies | DNF |
| 1.6.1958 | Santa Barbara [Ladies] | 39 | Eleven | Marion Lowe | James Rowland Lowe | 3rd |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 39 | Eleven | James Lowe | James Rowland Lowe | 9th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 116 | Eleven | Chuck Schroeder | Chuck Schroeder | 22nd |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 158 | Mark VI | Robert Moogk | | 4th |
| 1.6.1958 | GP Dunkirk | 158 | Mark VI | Robert Moogk | | DNF |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 251 | Eleven Club | Ken Miles | Elmer Grimsgaard | DNA |