| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 24 | | Bob Ellis | Robert Ellis | 19th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 31 | | Ed La Mantia | Ed La Mantia | 21st |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 32 | | Bob Potter | Bob Potter | 14th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 40 | | Jack Dalton | Jack Dalton | 13th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 52 | | Fraser Sibbald | Frazer Sibbald | 15th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 98 | | Ed Leslie | Ed Leslie | 18th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 110 | | Bob Winkelmann | Bob Winkelmann | 12th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 131 | | Randall Cowherd | W. T. Ribbs | 16th |
| 6.7.1958 | Hammond [Production 1.6+MGA+HM] | | | | | DQ |
| 6.7.1958 | Hammond [Production 1.5+TR3+HM] | | | Charles Guidroz | | 4th |
| 6.7.1958 | Hammond [Production 1.6+MGA+HM] | | | Bill Campbell | | 4th |
| 6.7.1958 | Hammond [Production 1.6+MGA+HM] | | | Charles Guidroz | | 3rd |
| 6.7.1958 | Hammond [Production 1.5+TR3+HM] | | | | | DQ |
| 12.7.1958 | BRSCC Full Sutton [GT] | 40 | | Tommy Entwistle | | 9th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 42 | | J. H. Southam | | 10th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 44 | | J. H. V. Cross | | 4th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 46 | | W. R. Whitwell | | 11th |
| 13.7.1958 | LISCA Lime Rock [FP] | | | Robert Wells | | 1st |
| 19.7.1958 | Berwick [Novice] | 40 | | Eben Sales | | 2nd |
| 19.7.1958 | Berwick [MG] | 40 | | Eben Sales | | 3rd |
| 19.7.1958 | Berwick [MG] | 95 | | George Valentine | | 2nd |
| 19.7.1958 | Berwick [MG] | 96 | | Millard Ripley | | 1st |
| 19.7.1958 | BEMC Harewood Acres [Production 1.5] | | | Robert Soch | R. A. Soch | 3rd |
| 19.7.1958 | BEMC Harewood Acres [MG] | | | Jack Broad | Jack Broad | 1st |
| 19.7.1958 | BEMC Harewood Acres [MG] | | | Robert Soch | R. A. Soch | 2nd |
| 19.7.1958 | BEMC Harewood Acres [MG] | | | Art Smith | Art Smith, Jr. | 3rd |
| 20.7.1958 | SCCA Regional Thompson [FP] | 5 | | Chris White | | 15th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 18 | | Edward Richard | | DNA |
| 20.7.1958 | SCCA Regional Thompson [FP] | 22 | | Wain Donoghue | | 13th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 39 | | Earl Simpson | | DNA |
| 20.7.1958 | SCCA Regional Thompson [FP] | 50 | | James Stevens | | DNA |
| 20.7.1958 | SCCA Regional Thompson [FP] | 74 | | Henry Van Deusen | | DNF |
| 20.7.1958 | SCCA Regional Thompson [FP] | 93 | | Earl Simpson | | 11th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 94 | | Richard Kinsey | | 12th |
| 20.7.1958 | SCCA Regional Thompson [FP] | 180 | | Don Urian | | 9th |
| 26.7.1958 | MCMC Oulton Park [Closed] | 22 | | Doreen Harris | Reg Harris (M/cr.) Ltd. | 9th |
| 26.7.1958 | MCMC Oulton Park [S1.5] | 22 | | Doreen Harris | Reg Harris (M/cr.) Ltd. | DNA |
| 26.7.1958 | MCMC Oulton Park [Closed] | 88 | | Tom Threlfall | Tom Threlfall | 5th |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 12 | | Austin Wolff | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 17 | | Bill Kemper | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 17 | | Bill Kemper | | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 31 | | Ed La Mantia | Ed La Mantia | DNA |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 31 | | Ed La Mantia | Ed La Mantia | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 31 | | Leon Mandel | Ed La Mantia | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 40 | | Jack Dalton | T. R. Langley | ?th |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 40 | | Jack Dalton | T. R. Langley | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 66 | | Jack Flaherty | Kjell H. Qvale | DNA |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 66 | | Jack Flaherty | Kjell Qvale | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 71 | | Richard Miller | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 75 | | Jim Dinsmore | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 83 | | Chuck Dodge | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 96 | | Don Rushlight | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 96 | | Don Rushlight | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 103 | | John Hall | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 103 | | John Hall | | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 110 | | Bob Winkelmann | Ed Crooks | DNA |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 110 | | Bob Winkelmann | Ed Crooks | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 131 | | Randall Cowherd | William T. Ribbs | DNA |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 131 | | Randall Cowherd | William Ribbs | 10th |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 142 | | Ben Thrall | Ben Thrall | DNA |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 142 | | Ben Thrall | Ben Thrall | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 158 | | Eugene Smith | Dennis Riley | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 203 | | Bob Glaeser | Bob Glasser | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 223 | | Charles H. Serlis | Charles H. Serlis | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 225 | | Elroy Anderson | Mrs. Elroy Anderson | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 293 | | Charley Monte | Charley Monte | DNA |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 312 | | Brian Hopkins | Brian Hopkins | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 444 | | Tom Welch, Jr. | | DNA |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | 61 | | Bob Vincent | R. Vincent | DNA |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | 64 | | Chris Tooley | C. P. Tooley | DNA |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | 65 | | D. J. Hayles | Ecuire Chiltern | DNA |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | 68 | | J. A. P. Trafford | J. A. P. Trafford | DNA |
| 10.8.1958 | Kanonloppet [GT2.0] | 3 | | Bo Elmhorn | | 7th |
| 10.8.1958 | Kanonloppet [GT2.0] | 6 | | Bo Josefsson | | raced |
| 10.8.1958 | Kanonloppet [GT2.0] | 9 | | Vincent Etzner | | 12th |
| 10.8.1958 | Kanonloppet [GT2.0] | 10 | | Yngve Rosqvist | | raced |
| 16.8.1958 | Harewood Acres [Le Mans] | 1 | | Norm Shier | Norm Shier | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 3 | | Richard Soulsby | Richard Soulsby | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 7 | | Robert Soch | Robert S. Soch | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 12 | | Art Smith | Ecurie Pip | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 17 | | Harry Entwistle | Gulliver Motors Ltd. | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 22 | | Peter D. J. Tirion | Peter D. J. Tirion | DNA |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 23 | | Grant Crenshaw | | 17th |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 33 | | Roger Simonetti | | 18th |
| 16.8.1958 | Harewood Acres [Le Mans] | 34 | | Walter Sayers | Ecurie H.A.S.A. | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 37 | | James Odenback | James Ed Odenback | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 41 | | Don Chambers | Don Chambers | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 42 | | Ross de St. Croix | N. Ross de St. Croix | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 46 | | John Morawski | Ecurie Sans Sous | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 49 | | Kuno Lubja | Kuno Lubja | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 55 | | Henry Howarth | Downtown Motor Sales | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 61 | | John Brennan | John L. Brennen, Jr. | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 67 | | John Alden | W. John Alden Inc. | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 68 | | Emrys Jones | Emrys Jones | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 70 | | Bill Hammond | Ecurie Grande | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 71 | | William Hopkins | Ecurie Grande | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 74 | | Walter Chippindale | W. E, Chippindale | DNA |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 78 | | Ron Letellier | | 8th |
| 16.8.1958 | Harewood Acres [Le Mans] | 99 | | D. Craddock | D. Craddock | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 109 | | Al Tucker | Noel Morton | DNA |