| 16.8.1958 | Harewood Acres [FP] | 1 | | Norm Shier | Norm Shier | DNA |
| 16.8.1958 | Harewood Acres [FP] | 3 | | Richard Soulsby | Richard Soulsby | DNA |
| 16.8.1958 | Harewood Acres [FP] | 7 | | Robert Soch | Robert S. Soch | 2nd |
| 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 [FP] | 22 | | Peter D. J. Tirion | Peter D. J. Tirion | DNA |
| 16.8.1958 | Harewood Acres [FP] | 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 [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 [FP] | 46 | | John Morawski | Ecurie Sans Sous | DNA |
| 16.8.1958 | Harewood Acres [FP] | 49 | | Kuno Lubja | Kuno Lubja | 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 [FP] | 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 [FP] | 70 | | Bill Hammond | Ecurie Grande | DNA |
| 16.8.1958 | Harewood Acres [FP] | 71 | | William Hopkins | Ecurie Grande | DNA |
| 16.8.1958 | Harewood Acres [FP] | 74 | | Walter Chippindale | W. E, Chippindale | DNA |
| 16.8.1958 | Harewood Acres [FP] | 99 | | D. Craddock | D. Craddock | DNA |
| 16.8.1958 | Harewood Acres [FP] | 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 [FP] | 169 | | G. Stewart | Ecurie Derelicti | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 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 [Le Mans] | 193 | | Barry Morton | B. H. Morton | DNA |
| 16.8.1958 | Harewood Acres [FP] | 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 [S1.6] | 3 | | John H. Rutledge | John H. Rutledge | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 3 | | John H. Rutledge | John H. Rutledge | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 4 | | Harry Entwistle | Gulliver Motors | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 4 | | Harry Entwistle | Gulliver Motors | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 4 | | Harry Entwistle | Gulliver Motors | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 14 | | John Francis | J. C. Francis | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 14 | | John Francis | J. C. Francis | DNA |
| 23.8.1958 | LASC Green Acres [Unrestricted] | 17 | | Walter Sayers | Ecurie Hasa | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 17 | | Walter Sayers | Ecurie Hasa | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 17 | | Walter Sayers | Ecurie Hasa | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 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 [Le Mans] | 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 [S1.6] | 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 [S1.6] | 42 | | Bob Petrick | Robert D. Patrick | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 42 | | Bob Petrick | Robert D. Patrick | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 45 | | Don Chambers | D. Chambers | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 45 | | Don Chambers | D. Chambers | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 45 | | Don Chambers | D. Chambers | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 55 | | Henry Howarth | Downtown Motor Sales, Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 55 | | Henry Howarth | Downtown Motor Sales, Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 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 [S1.6] | 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 [Le Mans] | 70 | | Bill Hammond | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 71 | | William Hopkins | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 71 | | William Hopkins | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 71 | | William Hopkins | Ecurie Grandé | DNA |
| 30.8.1958 | Novice Mansfield [S1.6] | 23 | | Roy Dees | Roy R. Dees | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 43 | | Wilson Southam | W. J. H. Southam | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 43 | | Wilson Southam | W. J. H. Southam | DNA |
| 30.8.1958 | Preliminary Santa Barbara [FP] | 89 | | Ray Pickering | | 3rd |
| 30.8.1958 | Autosport Brands Hatch [Production] | 105 | | W. J. Smith | W. J. Smith | 9th |
| 30.8.1958 | Autosport Brands Hatch [Production] | 106 | | D. J. Hayles | Ecurie Chiltern | 4th |
| 30.8.1958 | Autosport Brands Hatch [Production] | 107 | | Ken Mackenzie | Ecurie Chiltern | 5th |
| 30.8.1958 | Autosport Brands Hatch [Production] | 108 | | J. A. P. Trafford | J. Trafford | 7th |
| 30.8.1958 | Autosport Brands Hatch [Production] | 109 | | Chris Tooley | Chris Tooley | 6th |
| 30.8.1958 | Novice Mansfield [S1.6] | 132 | | Donald Lummis | Don Lummis | DNA |
| 30.8.1958 | Novice Mansfield [S1.6] | 137 | | Tom Hall | Bill Fritts | DNA |
| 30.8.1958 | Preliminary Santa Barbara [FP] | | | Elliot Forbes-Robinson | Ken Swanson | DQ |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 15 | | Charlie Weller | Charlie Weller | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 15 | | Charlie Weller | Charlie Weller | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 23 | | Roy Dees | Roy R. Dees | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 23 | | Roy Dees | Roy R. Dees | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 28 | | Joe Steede | Joe Steede | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 28 | | Joe Steede | Joe Steede | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 53 | | Geno Balducci | Geno Balducci | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 53 | | Geno Balducci | Geno Balducci | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 59 | | Allan Crawford | Allan Crawford | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 59 | | Allan Crawford | Allan Crawford | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 60 | | Phil Godwin | Phil Godwin | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 61 | | Harold Krech | Harold Krech | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 71 | | J. B. Richard | J. B. Richard | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 91 | | Richard McGuire | Dr. Dick McGuire | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 132 | | Donald Lummis | Don Lummis | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 137 | | Bill Fritts | Bill Fritts | DNA |