| 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 | SCCA Regional 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 | 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 | Santa Barbara [GP+HP] | 33 | TD | Cliff Hensley | | 8th |
| 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 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 60 | A | Phil Godwin | Phil Godwin | 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 | 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 | Santa Barbara [FP] | 89 | A | Ray Pickering | | 2nd |
| 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 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 93 | TF | Ray Loflin | Roy Loflin | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 93 | A | Earl Simpson | | 12th |
| 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 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 132 | A | Donald Lummis | Don Lummis | DNA |
| 31.8.1958 | SCCA Regional 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 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 137 | A | Bill Fritts | Bill Fritts | DNA |
| 31.8.1958 | Preliminary 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 [Ladies] | 237 | TD Mk II | Norah Taylor | | ?th |
| 31.8.1958 | Santa Barbara [GP+HP] | 237 | TD Mk II | Sam Taylor | | 4th |
| 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 |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 93 | TC | Frank Holmes | | 32nd |
| 6.9.1958 | Sunbac Silverstone [Production] | | | | | raced |
| 6.9.1958 | Sunbac Silverstone [Hadicap 1] | | TF | Harry Ratcliffe | | raced |
| 7.9.1958 | 500 mile Road America | 49 | TD | Derr Andrlik | | 22nd |
| 7.9.1958 | 500 mile Road America | 55 | A Twin Cam | Simonetti / Gaard | | 19th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S+1.1] | 100 | A | Wilson Southam | W. Southam | DNF |
| 13.9.1958 | Tourist Trophy | 28 | A Twin Cam | Bridger / Foster | Richard W. Jacobs | 14th |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 47 | A | Ken Green | | 9th |
| 13.9.1958 | Harewood Acres [PS1.5] | | A | Art Smith | | 3rd |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 11 | TD | James Mautz | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 16 | A | Ed Zurhorst | | 15th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 16 | A | Ed Zurhorst | | 24th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 16 | A | Ed Zurhorst | | 16th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 40 | A | Eben Sales | | 25th |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 44 | TD | Bill Malion | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 47 | A | Ken Green | | 16th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 47 | A | Ken Green | | 23rd |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 47 | A | Ken Green | | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 68 | A | Steve Wendt | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 73 | A | C. William Allen | | DNA |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 93 | A | Earl Simpson | | 20th |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 93 | A | Earl Simpson | | 14th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 93 | A | Earl Simpson | | 24th |
| 19.9.1958 | Preliminary Watkins Glen [Ladies] | 119 | A | Peggy McClure | | 4th |
| 19.9.1958 | Preliminary Watkins Glen [Ladies] | 126 | A | Joyce Botkin | Robert F. Botkin | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 9 | A | Barnie Burnett | Barnie Burnett | 6th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 9 | A | Barnie Burnett | Barnie Burnett | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 16 | A | Sherman Decker | Sherman L. Decker | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 24 | A | Brad Howes | Bradford B. Howes | 10th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 28 | A | Ed Rickard | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 28 | A | Ed Rickard | Edward T. Rickard, Jr. | 17th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 30 | A | Dan Donoghue | D. C. Donoghue, Jr. | 13th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 30 | A | Dan Donoghue | D. C. Donoghue, Jr. | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 43 | A | Art Smith | Ecurie "PIP" | DNA |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 53 | A | Ray Henley | Raymond H. Henley | 16th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 95 | A | John Hunter | John G. Hunter, Jr. | 9th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 104 | A | Jack Paveling | Ecurie Ripley | 17th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 105 | A | George Valentine | Ecurie Ripley | DNF |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 105 | A | George Valentine | Ecurie Ripley | 5th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 108 | A | Monty Allen | Monty Allen | 4th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 119 | A | Reynolds, Jr. | Fred Reynolds | 22nd |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 123 | A | Murray Clark | Murray O. Clark | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 126 | A | Robert Botkin | Robert F. Botkin | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 135 | A | Jack Terhaar | | 20th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 135 | A | Jack Terhaar | | 12th |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 223 | A | Jim Kennedy | | 15th |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 240 | A | Eben Harrison Sales | | 21st |
| 20.9.1958 | Preliminary Watkins Glen [MG] | 240 | A | Eben Harrison Sales | | 11th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | A | | | 10th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | A | | | 9th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | A | Joe Steede | | 5th |
| 20.9.1958 | Preliminary Galveston [Novice] | | A | Henri Bailleres | | raced |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | A | Bill Fritts | | 2nd |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | A | Geno Balducci | | 4th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | A | Garry Dundas | | 3rd |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | A | | | 8th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | A | | | 7th |