| 7.6.1958 | LCCC Oulton Park [S1.5] | 5 | #200 | Ralph Walker | Ralph Walker | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 5 | #200 | Ralph Walker | Ralph Walker | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 9 | #271 | John Mitchell | John Mitchell | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 9 | #271 | John Mitchell | John Mitchell | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 9 | #271 | John Mitchell | John Mitchell | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 19 | | James van Sickle | James van Sickle | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 29 | #337 | Colin Escott | Colin Escott | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 29 | #337 | Colin Escott | Colin Escott | 2nd |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 31 | #313 | Jim Mackay | Jimmy Mackay | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 31 | #313 | Jim Mackay | Jimmy Mackay | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 31 | #313 | Jim Mackay | Jimmy Mackay | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 52 | | Barry Harpin | Barry Harpin | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 52 | | Barry Harpin | Barry Harpin | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 52 | | Barry Harpin | Barry Harpin | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 54 | #159 | Andy Walker | Andy Walker | DNF |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 54 | #159 | Andy Walker | Andy Walker | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 66 | #321 | Nicholas Green | Nicholas Green | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 72 | #189 | Bill Allen | Bill Allen | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 72 | #189 | Bill Allen | Bill Allen | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 72 | #189 | Bill Allen | Bill Allen | DNF |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 76 | #268 | Peter Anders | Peter Anders | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 76 | #268 | Peter Anders | Peter Anders | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 76 | #268 | Peter Anders | Peter Anders | 1st |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 80 | #173 | Mayman / Mayman | Kay Garages Ltd. | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 80 | #173 | Lionel Mayman | Kay Garages Ltd. | DNF |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 80 | #173 | Mayman / Mayman | Kay Garages Ltd. | DNS |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 83 | #219? | John Fredman | John Fredman | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 83 | #219? | John Fredman | John Fredman | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 83 | #219? | John Fredman | John Fredman | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 89 | | K. Vernon | K. T. Vernon | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 89 | | K. Vernon | K. T. Vernon | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 104 | #315 | John Romanes | John Romanes | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 104 | #315 | John Romanes | John Romanes | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 104 | #315 | John Romanes | John Romanes | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 118 | #317 | Tom Dickson | Dickson Motors Ltd. | 1st |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 118 | #317 | Tom Dickson | Dickson Motors Ltd. | 1st |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 118 | #317 | Tom Dickson | Dickson Motors Ltd. | 1st |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 118 | #317 | Tom Dickson | Dickson Motors Ltd. | 2nd |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 127 | #203 | A. J. Korczynski | A. J. Korczyinski | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 128 | | Greg Wood | Greg Wood | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 128 | | Greg Wood | Greg Wood | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 128 | | Greg Wood | Greg Wood | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 137 | #196 | G. E. Holland-Martin | Lt. G. Holland-Martin | DNS |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 145 | #170 | Stuart Dodd | Chronicle Motors | DNF |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 145 | #170 | Stuart Dodd | Chronicle Motors | DNA |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 26 | | Floyd Aaskov | | DNF |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 45 | | Gilbert Geitner | | DNF |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 47 | | Thomas Scatchard | | DNA |
| 8.6.1958 | SCCA Regional Thompson [BP+CP+DP+GM] | 77 | | Sy Kaback | | DNA |
| 8.6.1958 | 3 h Rouen | | #349 | Peter Ashdown | Team Lotus | DNS |
| 8.6.1958 | 3 h Rouen | | | David Piper | Pierre Berchem | 10th |
| 8.6.1958 | BRSCC Brands Hatch [S1.1] | | | Keith Greene | | 1st |
| 8.6.1958 | BRSCC Brands Hatch [S1.1] | | | Gordon Jones | | 3rd |
| 8.6.1958 | 3 h Rouen | | #347 | Alan Stacey | Team Lotus | 3rd |
| 8.6.1958 | 3 h Rouen | | | Jean-Claude Vidilles | | 7th |
| 8.6.1958 | SCCA Regional Eagle Mountain [BP+CP+Ace+GM] | | | Dave Tallaksen | | 2nd |
| 8.6.1958 | SCCA Regional Eagle Mountain [BP+CP+Ace+GM] | | | Todd Aikens | | 3rd |
| 8.6.1958 | 3 h Rouen | | | Bob Hicks | | 5th |
| 8.6.1958 | 3 h Rouen | | #338 | Innes Ireland | Team Lotus | 4th |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 1 | | Warren Smith | | 9th |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 21 | | Frank Macauley | | 10th |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 22 | | Peter Baumberger | | 11th |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 112 | | Floyd Aaskov | | 7th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 16 | | John Miller | | 14th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 24 | | Dan Hernandez | | 8th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 35 | | John P. Young | | 11th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 37 | | Stan Peterson | | 13th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 39 | | James Lowe | | 6th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 87 | | Paul Nau | | 4th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 142 | | Frank Monise | | DNF |
| 15.6.1958 | SCCA Regional Laguna Seca [Ladies+FIII] | | | Marion Lowe | | 2nd |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | | John Campbell-Jones | | 2nd |
| 15.6.1958 | Opatija [GT1.3] | | | Charles Vögele | | 2nd |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | | Bob Hicks | | 3rd |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | | David Piper | | 11th |
| 15.6.1958 | Prix de Paris [GT3.5+S1.0] | | | A. Lefebvre | | 4th |
| 21.6.1958 | ADMC Crimond [Sports] | 18 | | John Romanes | J. L. Romanes | raced |
| 21.6.1958 | ADMC Crimond [S1.5/S1172] | 18 | | John Romanes | J. L. Romanes | 3rd |
| 21.6.1958 | ADMC Crimond [Sports] | 21 | | A. J. Korczynski | A. J. Korezynski | DNA |
| 21.6.1958 | ADMC Crimond [S1.5/S1172] | 21 | | A. J. Korczynski | A. J. Korezynski | 4th |
| 21.6.1958 | ADMC Crimond [S1.5/S1172] | 25 | | Andy Walker | A. Walker | 2nd |
| 21.6.1958 | ADMC Crimond [Sports] | 25 | | Andy Walker | A. Walker | DNF |
| 21.6.1958 | ADMC Crimond [Sports] | 30 | #313 | Jim Mackay | J. Mackay | 2nd |
| 21.6.1958 | ADMC Crimond [S1.5/S1172] | 30 | #313 | Jim Mackay | J. Mackay | 1st |
| 21.6.1958 | ADMC Crimond [S1.5/S1172] | 31 | | Lewis Bramley | L. Bramley | DNA |
| 21.6.1958 | ADMC Crimond [Sports] | 31 | | Lewis Bramley | L. Bramley | DNA |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 1 | | J. C. Kilburn | John C. Kilburn | 5th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 2 | #323 | Margaret Wyllie | Marg. J. Wyllie | DNA |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 23 | | Robin Benson | Robin S. Benson | 4th |
| 22.6.1958 | 24 h Le Mans | 38 | #513 | Ireland / Taylor | Team Lotus Engineeering | DNF |
| 22.6.1958 | 24 h Le Mans | 39 | #519 | Hicks / Frost | Car Exchange | DNF |
| 22.6.1958 | 24 h Le Mans | 55 | #514 | Stacey / Dickson | Team Lotus Engineering | 20th |
| 22.6.1958 | 24 h Le Mans | 56 | #324 | Héchard / Masson | Equipe Lotus France | DNF |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 68 | | Bill Bowman | W. S. Bowman | 17th |
| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 4 | | Thomas Scatchard | | 11th |
| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 29 | | Bob Bucher | | DNF |
| 28.6.1958 | Preliminary Riverside [Modified 1.5] | 44 | | Frank Monise | | ?th |
| 29.6.1958 | Riverside [FM+GM+HM] | 44 | | Frank Monise | | 8th |
| 29.6.1958 | Riverside [FM+GM+HM] | 114 | | Chuck Schroeder | | 3rd |
| 29.6.1958 | BARC Mallory Park [S1.1] | | #506 | Mike Taylor | | 1st |