| 31.8.1958 | Santa Barbara [FP] | 00 | | Loyal Davies | | 6th |
| 31.8.1958 | Preliminary Thompson [FP] | 029 | #HDT43/28939 | Bob Bucher | | 11th |
| 31.8.1958 | Preliminary Thompson [FP] | 8 | | Henry Van Deusen | | 9th |
| 31.8.1958 | Preliminary Thompson [FP] | 9 | | James Stevens | | 13th |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 60 | | Phil Godwin | Phil Godwin | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 61 | | Harold Krech | Harold Krech | DNA |
| 31.8.1958 | Santa Barbara [FP] | 62 | | John Lumkin | | 4th |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 71 | | J. B. Richard | J. B. Richard | DNA |
| 31.8.1958 | Santa Barbara [FP] | 89 | | Ray Pickering | | 2nd |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 91 | | Richard McGuire | Dr. Dick McGuire | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 93 | | Earl Simpson | | 12th |
| 31.8.1958 | Preliminary Thompson [FP] | 117 | | George Schaab | | DNF |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 132 | | Donald Lummis | Don Lummis | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 137 | | Bill Fritts | Bill Fritts | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 138 | | Sherman Decker | | 8th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 8 | | Henry Van Deusen | | 12th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 9 | | James Stevens | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 29 | #HDT43/28939 | Bob Bucher | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 93 | | Earl Simpson | | 13th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 138 | | Sherman Decker | | 11th |
| 1.9.1958 | St. Eugene [S1.6] | | | Ross de St. Croix | | 2nd |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 52 | | Phil Forsyth | | DNF |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 68 | | Steve Wendt | | DNF |
| 7.9.1958 | 500 mile Road America | 55 | | Simonetti / Gaard | | 19th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S+1.1] | 100 | #EX182/38 | Wilson Southam | W. Southam | DNF |
| 13.9.1958 | Tourist Trophy | 28 | | Bridger / Foster | Richard W. Jacobs | 14th |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 47 | | Ken Green | | 9th |
| 13.9.1958 | Harewood Acres [PS1.5] | | | Art Smith | | 3rd |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 16 | | Ed Zurhorst | | 24th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 16 | | Ed Zurhorst | | 16th |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 16 | | Ed Zurhorst | | 15th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 40 | | Eben Sales | | 25th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 47 | | Ken Green | | 23rd |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 47 | | Ken Green | | DNF |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 47 | | Ken Green | | 16th |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 68 | | Steve Wendt | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 73 | | C. William Allen | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 93 | | Earl Simpson | | 14th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 93 | | Earl Simpson | | 24th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 93 | | Earl Simpson | | 20th |
| 19.9.1958 | Preliminary Watkins Glen [Ladies] | 119 | | Peggy McClure | | 4th |
| 19.9.1958 | Preliminary Watkins Glen [Ladies] | 126 | | Joyce Botkin | Robert F. Botkin | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 029 | #HDT43/28939 | Bob Bucher | Jake's Stable | 1st |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 9 | | Barnie Burnett | Barnie Burnett | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 9 | | Barnie Burnett | Barnie Burnett | 6th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 16 | | Sherman Decker | Sherman L. Decker | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 16 | | Sherman Decker | Sherman L. Decker | 2nd |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 21 | | Henry Van Densen | Henry H. VanDensen | 8th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 24 | | Brad Howes | Bradford B. Howes | 10th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 28 | | Ed Rickard | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 28 | | Ed Rickard | Edward T. Rickard, Jr. | 17th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 30 | | Dan Donoghue | D. C. Donoghue, Jr. | 13th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 30 | | Dan Donoghue | D. C. Donoghue, Jr. | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 43 | | Art Smith | Ecurie "PIP" | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 43 | | Art Smith | Ecurie "PIP" | DNF |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 53 | | Ray Henley | Raymond H. Henley | 16th |
| 20.9.1958 | Oulton Park International [S+1.1] | 54 | | Ken Mackenzie | Ecurie Chiltern | DNA |
| 20.9.1958 | Oulton Park International [S+1.1] | 61 | | Ted Lund | Ted Lund | ?th |
| 20.9.1958 | GP Watkins Glen | 75 | | Jacques DuPont | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 94 | | Richard Kinsey | Richard Kinsey | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 95 | | John Hunter | John G. Hunter, Jr. | 9th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 104 | | Jack Paveling | Ecurie Ripley | 7th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 104 | | Jack Paveling | Ecurie Ripley | 17th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 105 | | George Valentine | Ecurie Ripley | DNF |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 105 | | George Valentine | Ecurie Ripley | 5th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 107 | | John Zeitler | John E. Zeitler | DNF |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 108 | | Monty Allen | Monty Allen | 4th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 119 | | Reynolds | Fred Reynolds | 14th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 119 | | Reynolds, Jr. | Fred Reynolds | 22nd |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 123 | | Murray Clark | Murray O. Clark | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 123 | | Murray Clark | Murray O. Clark | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 125 | | Ross de St. Croix | N. Ross de St. Croix | 3rd |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 126 | | Robert Botkin | Robert F. Botkin | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 126 | | Robert Botkin | Robert F. Botkin | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 135 | | Jack Terhaar | | 20th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 135 | | Jack Terhaar | | 12th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 221 | | Homer Dasey | | 18th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 223 | | Jim Kennedy | | 15th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 240 | | Eben Harrison Sales | | 21st |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 240 | | Eben Harrison Sales | | 11th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | | | | 10th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | | Garry Dundas | | 3rd |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | | Joe Steede | | 5th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | | | | 7th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | | | | 8th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | | | | 9th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | | Geno Balducci | | 4th |
| 20.9.1958 | Preliminary Galveston [Novice] | | | Henri Bailleres | | raced |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | | Bill Fritts | | 2nd |
| 21.9.1958 | GP Angola | 1 | | Costa Macedo | | 12th |
| 21.9.1958 | LISCA Lime Rock [MG] | 37 | | Walter Diver | | ?th |
| 21.9.1958 | LISCA Lime Rock [MG] | 78 | | Rod Nerney | | ?th |
| 21.9.1958 | Tour de France | 138 | | Orsini / Desplas | | raced |
| 21.9.1958 | SCCA Regional Galveston [MG+HM+HP+KP+JP+GT] | | | Charlie Weller | | DNF |
| 21.9.1958 | SCCA Regional Galveston [MG+HM+HP+KP+JP+GT] | | | Henri Bailleres | | 3rd |
| 21.9.1958 | SCCA Regional Galveston [MG+HM+HP+KP+JP+GT] | | | Garry Dundas | | 2nd |
| 21.9.1958 | LISCA Lime Rock [MG] | | | | | ?th |
| 21.9.1958 | SCCA Regional Galveston [MG+HM+HP+KP+JP+GT] | | | Joe Steede | | 1st |
| 21.9.1958 | SCCA Regional Galveston [MG+HM+HP+KP+JP+GT] | | | Roy Dees | | 4th |
| 27.9.1958 | BRSCC Full Sutton [GT1.6] | | | Ted Lund | | 1st |