| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 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 | Preliminary Minden [MGA+AH+Super+Veloce] | 66 | | Jack Flaherty | Kjell H. Qvale | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 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 | Preliminary Minden [MGA+AH+Super+Veloce] | 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 |
| 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] | 67 | | Ken MacKenzie | 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 [FP] | 1 | | Norm Shier | Norm Shier | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 1 | | Norm Shier | Norm Shier | DNA |
| 16.8.1958 | Harewood Acres [FP] | 3 | | Richard Soulsby | Richard Soulsby | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 3 | | Richard Soulsby | Richard Soulsby | DNA |
| 16.8.1958 | Harewood Acres [FP] | 7 | | Robert Soch | Robert S. Soch | 2nd |
| 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 [FP] | 12 | | Art Smith | Ecurie Pip | DNA |
| 16.8.1958 | Harewood Acres [FP] | 17 | | Harry Entwistle | Gulliver Motors Ltd. | 3rd |
| 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 | Harewood Acres [FP] | 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 [FP] | 34 | | Walter Sayers | Ecurie H.A.S.A. | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 34 | | Walter Sayers | Ecurie H.A.S.A. | DNA |
| 16.8.1958 | Harewood Acres [FP] | 37 | | James Odenback | James Ed Odenback | 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 [FP] | 41 | | Don Chambers | Don Chambers | DNA |
| 16.8.1958 | Harewood Acres [FP] | 42 | | Ross de St. Croix | N. Ross de St. Croix | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 42 | | Ross de St. Croix | N. Ross de St. Croix | DNA |
| 16.8.1958 | Harewood Acres [FP] | 46 | | John Morawski | Ecurie Sans Sous | 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 [FP] | 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 [FP] | 55 | | Henry Howarth | Downtown Motor Sales | DNA |
| 16.8.1958 | Harewood Acres [FP] | 61 | | John Brennan | John L. Brennen, Jr. | raced |
| 16.8.1958 | Harewood Acres [Le Mans] | 61 | | John Brennan | John L. Brennen, Jr. | DNA |
| 16.8.1958 | Harewood Acres [FP] | 67 | | John Alden | W. John Alden Inc. | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 67 | | John Alden | W. John Alden Inc. | DNA |
| 16.8.1958 | Harewood Acres [FP] | 68 | | Emrys Jones | Emrys Jones | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 68 | | Emrys Jones | Emrys Jones | DNA |
| 16.8.1958 | Harewood Acres [FP] | 70 | | Bill Hammond | Ecurie Grande | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 70 | | Bill Hammond | Ecurie Grande | DNA |
| 16.8.1958 | Harewood Acres [FP] | 71 | | William Hopkins | 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 | Harewood Acres [FP] | 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 [FP] | 99 | | D. Craddock | D. Craddock | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 99 | | D. Craddock | D. Craddock | DNA |
| 16.8.1958 | Harewood Acres [FP] | 109 | | Al Tucker | Noel Morton | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 109 | | Al Tucker | Noel Morton | DNA |
| 16.8.1958 | Harewood Acres [FP] | 130 | | Thomas Leslie | T. Leslie | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 130 | | Thomas Leslie | T. Leslie | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 169 | | G. Stewart | Ecurie Derelicti | DNA |
| 16.8.1958 | Harewood Acres [FP] | 169 | | G. Stewart | Ecurie Derelicti | DNA |
| 16.8.1958 | Harewood Acres [FP] | 177 | | John Wendt | J. R. Wendt | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 177 | | John Wendt | J. R. Wendt | DNA |
| 16.8.1958 | Harewood Acres [FP] | 193 | | Barry Morton | B. H. Morton | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 193 | | Barry Morton | B. H. Morton | DNA |
| 16.8.1958 | Harewood Acres [FP] | 333 | | Brown / McEachern | Bruce McEachern Sports Cars | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 333 | | Brown / McEachern | Bruce McEachern Sports Cars | DNA |
| 17.8.1958 | SCCA National Montgomery [FP] | 4 | | Duncan Black | | 8th |
| 17.8.1958 | SCCA National Montgomery [FP] | 20 | | John Hunter | | 12th |
| 17.8.1958 | SCCA National Montgomery [FP] | 23 | | Murray Clark | | 10th |
| 17.8.1958 | Zeltweg [GT+1.3] | 85 | | | | raced |
| 17.8.1958 | SCCA National Montgomery [FP] | 90 | | Alan Dillenberg | | 15th |
| 17.8.1958 | SCCA National Montgomery [FP] | 93 | | Earl Simpson | | 14th |
| 17.8.1958 | SCCA National Montgomery [FP] | 115 | | George Valentine | | 9th |
| 17.8.1958 | Zeltweg [Sports] | 117 | #41a | Harry Zweifel | J. H. Keller AG | 7th |
| 17.8.1958 | SCCA National Montgomery [FP] | 118 | | Dan Donoghue | | 11th |
| 17.8.1958 | SCCA National Montgomery [FP] | 156 | | Dennis Miller | | 13th |
| 23.8.1958 | LASC Green Acres [MG] | 3 | | John H. Rutledge | John H. Rutledge | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 4 | | Harry Entwistle | Gulliver Motors | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 14 | | John Francis | J. C. Francis | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 17 | | Walter Sayers | Ecurie Hasa | DNA |
| 23.8.1958 | LASC Green Acres [Unrestricted] | 17 | | Walter Sayers | Ecurie Hasa | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 25 | | Emrys Jones | Emrys Jones | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 32 | | John Morawski | Ecurie San Sous | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 42 | | Bob Petrick | Robert D. Patrick | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 45 | | Don Chambers | D. Chambers | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 55 | | Henry Howarth | Downtown Motor Sales, Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [Unrestricted] | 70 | | Bill Hammond | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [Century Class] | 70 | | Bill Hammond | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 71 | | William Hopkins | Ecurie Grandé | DNA |