| 23.8.1958 | LASC Green Acres [S1.6] | 3 | A | John H. Rutledge | John H. Rutledge | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 3 | A | John H. Rutledge | John H. Rutledge | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 4 | A | Harry Entwistle | Gulliver Motors | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 4 | A | Harry Entwistle | Gulliver Motors | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 7 | Special | Wright / Huffman | Green Grables Garage Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 7 | Special | Wright / Huffman | Green Grables Garage Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 14 | A | John Francis | J. C. Francis | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 17 | A | Walter Sayers | Ecurie Hasa | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 17 | A | Walter Sayers | Ecurie Hasa | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 25 | A | Emrys Jones | Emrys Jones | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 32 | A | John Morawski | Ecurie San Sous | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 39 | TC | Frank Mount | Ecurie Errant | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 42 | A | Bob Petrick | Robert D. Patrick | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 42 | A | Bob Petrick | Robert D. Patrick | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 43 | TD | Richard D. Livingston | Richard D. Livingston | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 45 | A | Don Chambers | D. Chambers | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 45 | A | Don Chambers | D. Chambers | DNA |
| 23.8.1958 | LASC Green Acres [MG] | 55 | A | Henry Howarth | Downtown Motor Sales, Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 55 | A | Henry Howarth | Downtown Motor Sales, Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 55 | A | Henry Howarth | Downtown Motor Sales, Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 69 | TF | Richard Reihm | Richard S. Reihm | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 69 | TF | Richard Reihm | Richard S. Reihm | DNA |
| 23.8.1958 | LASC Green Acres [Century Class] | 70 | A | Bill Hammond | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 70 | A | Bill Hammond | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 70 | A | Bill Hammond | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 71 | A | William Hopkins | Ecurie Grandé | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 71 | A | William Hopkins | Ecurie Grandé | DNA |
| 30.8.1958 | Novice Mansfield [S1.6] | 23 | A | Roy Dees | Roy R. Dees | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 43 | A | Wilson Southam | W. J. H. Southam | DNA |
| 30.8.1958 | NSCC Silverstone [S1.5] | 43 | A | Wilson Southam | W. J. H. Southam | DNA |
| 30.8.1958 | Preliminary Santa Barbara [FP] | 89 | A | Ray Pickering | | 3rd |
| 30.8.1958 | Autosport Brands Hatch [Production] | 105 | A | W. J. Smith | W. J. Smith | 9th |
| 30.8.1958 | Autosport Brands Hatch [Production] | 106 | A | D. J. Hayles | Ecurie Chiltern | 4th |
| 30.8.1958 | Autosport Brands Hatch [Production] | 107 | A | Ken MacKenzie | Ecurie Chiltern | 5th |
| 30.8.1958 | Autosport Brands Hatch [Production] | 108 | A | J. A. P. Trafford | J. Trafford | 7th |
| 30.8.1958 | Autosport Brands Hatch [Production] | 109 | A | Chris Tooley | Chris Tooley | 6th |
| 30.8.1958 | Novice Mansfield [S1.6] | 114 | TD | Bill Fleming | William R. Sullivan | DNA |
| 30.8.1958 | Novice Mansfield [S1.6] | 132 | A | Donald Lummis | Don Lummis | DNA |
| 30.8.1958 | Novice Mansfield [S1.6] | 137 | A | Tom Hall | Bill Fritts | DNA |
| 30.8.1958 | Preliminary Santa Barbara [Ladies] | 237 | TD Mk II | Norah Taylor | | ?th |
| 30.8.1958 | Preliminary Santa Barbara [GP+HP] | 237 | TD Mk II | Sam Taylor | | DQ |
| 30.8.1958 | Preliminary Santa Barbara [GP+HP] | | TF | Paul Hart | | ?th |
| 30.8.1958 | Preliminary Santa Barbara [FP] | | A | Elliot Forbes-Robinson | Ken Swanson | DQ |
| 31.8.1958 | Santa Barbara [FP] | 00 | A | Loyal Davies | | 6th |
| 31.8.1958 | Preliminary Thompson [FP] | 029 | A | Bob Bucher | | 11th |
| 31.8.1958 | Preliminary Thompson [FP] | 8 | A | Henry Van Deusen | | 9th |
| 31.8.1958 | Preliminary Thompson [FP] | 9 | A | James Stevens | | 13th |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 15 | A | Charlie Weller | Charlie Weller | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 15 | A | Charlie Weller | Charlie Weller | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 23 | A | Roy Dees | Roy R. Dees | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 23 | A | Roy Dees | Roy R. Dees | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 25 | TD | J. B. Cranford | Bert Cranford | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 25 | TD | J. B. Cranford | Bert Cranford | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 28 | A | Joe Steede | Joe Steede | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 28 | A | Joe Steede | Joe Steede | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 32 | TD | J. F. Muller | J. Fred Muller | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 32 | TD | J. F. Muller | J. Fred Muller | DNA |
| 31.8.1958 | Santa Barbara [GP+HP] | 33 | TD | Cliff Hensley | | 8th |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 53 | A | Geno Balducci | Geno Balducci | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 53 | A | Geno Balducci | Geno Balducci | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 59 | A | Allan Crawford | Allan Crawford | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 59 | A | Allan Crawford | Allan Crawford | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 60 | A | Phil Godwin | Phil Godwin | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 60 | A | Phil Godwin | Phil Godwin | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 61 | A | Harold Krech | Harold Krech | DNA |
| 31.8.1958 | Santa Barbara [GP+HP] | 61 | TD | Phil Carter | | 7th |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 61 | A | Harold Krech | Harold Krech | DNA |
| 31.8.1958 | Santa Barbara [FP] | 62 | A | John Lumkin | | 4th |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 71 | A | J. B. Richard | J. B. Richard | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 71 | A | J. B. Richard | J. B. Richard | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 76 | TD | Carl Whyte | Carl B. Whyte | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 76 | TD | Carl Whyte | Carl B. Whyte | DNA |
| 31.8.1958 | Santa Barbara [FP] | 89 | A | Ray Pickering | | 2nd |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 91 | A | Richard McGuire | Dr. Dick McGuire | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 91 | A | Richard McGuire | Dr. Dick McGuire | DNA |
| 31.8.1958 | Santa Barbara [GP+HP] | 92 | TD Mk II | Jack Gleghorn | | 5th |
| 31.8.1958 | Preliminary Thompson [FP] | 93 | A | Earl Simpson | | 12th |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 93 | TF | Ray Loflin | Roy Loflin | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 93 | TF | Ray Loflin | Roy Loflin | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 114 | TD | Bill Fleming | William R. Sullivan | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 114 | TD | Bill Fleming | William R. Sullivan | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 117 | A | George Schaab | | DNF |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 132 | A | Donald Lummis | Don Lummis | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 132 | A | Donald Lummis | Don Lummis | DNA |
| 31.8.1958 | Santa Barbara [GP+HP] | 135 | TD Mk II | William Steube | | 9th |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 137 | A | Bill Fritts | Bill Fritts | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 137 | A | Bill Fritts | Bill Fritts | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 138 | A | Sherman Decker | | 8th |
| 31.8.1958 | Santa Barbara [GP+HP] | 237 | TD Mk II | Sam Taylor | | 4th |
| 31.8.1958 | Santa Barbara [Ladies] | 237 | TD Mk II | Norah Taylor | | ?th |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 260 | Special | Bud Hand | | 14th |
| 31.8.1958 | Santa Barbara [GP+HP] | | TC | Bill Dredge | | DNS |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 8 | A | Henry Van Deusen | | 12th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 9 | A | James Stevens | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 29 | A | Bob Bucher | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 93 | A | Earl Simpson | | 13th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 138 | A | Sherman Decker | | 11th |
| 1.9.1958 | St. Eugene [S1.6] | | A Coupe | Ross de St. Croix | | 2nd |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 52 | A | Phil Forsyth | | DNF |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 68 | A | Steve Wendt | | DNF |