| 31.5.1958 | Preliminary Santa Barbara [Ladies] | 39 | | Marion Lowe | James Rowland Lowe | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.5] | 116 | | Chuck Schroeder | Chuck Schroeder | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified 1.0] | 251 | | Ken Miles | Elmer Grimsgaard | DNA |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 2 | | Todd Aikens | | 2nd |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 21 | | Byron J. Snow, Jr. | Daniel Hernandez | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 27 | | Skip Conklin | Skip Conklin | 6th |
| 1.6.1958 | 1000 km Nürburgring | 28 | #290=>184 | Blumer / Power | Car Exchange | DNF |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 29 | | Robin Benson | | 1st |
| 1.6.1958 | 1000 km Nürburgring | 29 | #510 | Piper / Greene | David Piper | 15th |
| 1.6.1958 | 1000 km Nürburgring | 35 | | Pierre Berchem | Pierre Berchem | DNS |
| 1.6.1958 | 1000 km Nürburgring | 36 | #311 | Horridge / Monaco | Dan Margulies | DNF |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 39 | | James Lowe | James Rowland Lowe | 9th |
| 1.6.1958 | Santa Barbara [Ladies] | 39 | | Marion Lowe | James Rowland Lowe | 3rd |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 44 | | Frank Monise | Frank Monise | 5th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 102 | | Jack Nethercutt | Jack Nethercutt | DNQ |
| 1.6.1958 | Consolation Santa Barbara [Modified] | 102 | | Jack Nethercutt | Jack Nethercutt | ?th |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 116 | | Chuck Schroeder | Chuck Schroeder | 22nd |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 133 | #133 | Tom Gilmour | | DNF |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 251 | | Ken Miles | Elmer Grimsgaard | DNA |
| 2.6.1958 | Roskilde Ring [S1.5] | | #316 | Douglas Graham | | 2nd |
| 2.6.1958 | Roskilde Ring [S1.5] | | | Christopher Martyn | | 3rd |
| 2.6.1958 | Roskilde Ring [S1.5] | | #202 | Peter Ross | | 4th |
| 2.6.1958 | Roskilde Ring [S1.5] | | #506 | Mike Taylor | | 1st |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 5 | #200 | Ralph Walker | Ralph Walker | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 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 [S2.7/S+2.7] | 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 [1172F/750F] | 19 | | James van Sickle | James van Sickle | 5th |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 29 | #337 | Colin Escott | Colin Escott | 2nd |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 29 | #337 | Colin Escott | Colin Escott | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 29 | #337 | Colin Escott | Colin Escott | 2nd |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 31 | #313 | Jim Mackay | Jimmy Mackay | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 31 | #313 | Jim Mackay | Jimmy Mackay | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 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 [S2.7/S+2.7] | 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 [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] | 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 [S2.7/S+2.7] | 54 | #159 | Andy Walker | Andy Walker | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 66 | #321 | Nicholas Green | Nicholas Green | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 66 | #321 | Nicholas Green | Nicholas Green | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 72 | #189 | Bill Allen | Bill Allen | DNF |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 72 | #189 | Bill Allen | Bill Allen | 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] | 76 | #268 | Peter Anders | Peter Anders | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 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 [S2.7/S+2.7] | 80 | #173 | Mayman / Mayman | Kay Garages Ltd. | DNS |
| 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] | 83 | #219? | John Fredman | John Fredman | DNA |
| 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] | 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 [1172F/750F] | 94 | #176? | Bob Staples | Ecurie Gnuts | 4th |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 104 | #315 | John Romanes | John Romanes | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 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 [Handicap B] | 118 | #317 | Tom Dickson | Dickson Motors Ltd. | 2nd |
| 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 [S2.0 EX] | 127 | #203 | A. J. Korczynski | A. J. Korczyinski | DNA |
| 7.6.1958 | LCCC Oulton Park [1172F/750F] | 127 | #203 | A. J. Korczynski | A. J. Korczyinski | 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 [S2.7/S+2.7] | 128 | | Greg Wood | Greg Wood | DNA |
| 7.6.1958 | LCCC Oulton Park [1172F/750F] | 131 | #287 | Ralph Walker | Ralph Walker | 6th |
| 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 | | #347 | Alan Stacey | Team Lotus | 3rd |
| 8.6.1958 | SCCA Regional Eagle Mountain [BP+CP+Ace+GM] | | | Todd Aikens | | 3rd |
| 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 | SCCA Regional Eagle Mountain [BP+CP+Ace+GM] | | | Dave Tallaksen | | 2nd |
| 8.6.1958 | 3 h Rouen | | #349 | Peter Ashdown | Team Lotus | DNS |
| 8.6.1958 | 3 h Rouen | | | Bob Hicks | | 5th |
| 8.6.1958 | 3 h Rouen | | #338 | Innes Ireland | Team Lotus | 4th |
| 8.6.1958 | 3 h Rouen | | | David Piper | Pierre Berchem | 10th |
| 8.6.1958 | 3 h Rouen | | | Jean-Claude Vidilles | | 7th |
| 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] | 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 |