| 31.8.1958 | Preliminary Thompson [DP+EP] | 1 | 100-6 | Dick Thompson | | 6th |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 4 | 100 S | Robin Benson | Robin Benson | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 4 | 100 S | Robin Benson | Robin Benson | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 14 | Sprite | Louis Heuss | Louis A. Heuss | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 14 | Sprite | Louis Heuss | Louis A. Heuss | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 18 | 100 S | Edward Turner | Edward Turner | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 18 | 100 S | Edward Turner | Edward Turner | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 21 | 100 S | Rita Wetzel | Suzy Ely | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 21 | 100 S | Rita Wetzel | Suzy Ely | DNA |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 27 | 100 M | Robert Shirey | | 10th |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 29 | 100-6 | Robert C. Davidson | | 5th |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 30 | 100 | Reed Rollo | | 11th |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 33 | 100 S | R. L. Crownrich | Maj. R. L. Crownrich | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 33 | 100 S | R. L. Crownrich | Maj. R. L. Crownrich | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 34 | | G. G. Harris | Dr. G. G. Harris | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 34 | | G. G. Harris | Dr. G. G. Harris | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 35 | Sprite | Lou E. Harris | Dr. G. G. Harris | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 35 | Sprite | Lou E. Harris | Dr. G. G. Harris | DNA |
| 31.8.1958 | Preliminary Thompson [GP+HP+HM] | 36 | Sprite | Herbert Whiting | | 13th |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 61 | 100 S | Bob Dougherty | Bob Daugherty | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 61 | 100 S | Bob Dougherty | Bob Daugherty | DNA |
| 31.8.1958 | Santa Barbara [EP] | 69 | | Chuck Parsons | | 4th |
| 31.8.1958 | Santa Barbara [EP] | 74 | 100-4 | Pierce Venable | | 18th |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 77 | Sprite | Steve Robinson | Steve Robinson | DNA |
| 31.8.1958 | Santa Barbara [GP+HP] | 77 | Sprite | Elliot Forbes-Robinson | | 1st |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 77 | Sprite | Steve Robinson | Steve Robinson | DNA |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 86 | 100-6 | Bob Hathaway | | 9th |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 88 | | Vince Iacono | Joseph V. Iacono | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 88 | | Vince Iacono | Joseph V. Iacono | DNA |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 110 | Sprite | Elliott Evans | Elliot C. Evans | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 110 | Sprite | Elliott Evans | Elliot C. Evans | DNA |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 124 | 100 | Ray Cover | | 13th |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 133 | | Tip Eubanks | Tip Eubanks | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 133 | | Tip Eubanks | Tip Eubanks | DNA |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 164 | 100 S | Robert Windhorst | | 9th |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 176 | 100 M | Laurence Johnson | Lawrence Johnson | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 176 | 100 M | Laurence Johnson | Lawrence Johnson | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 177 | 100 M | Harold Hortman | Harold Hortman | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 177 | 100 M | Harold Hortman | Harold Hortman | DNA |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 247 | 100-6 | Fred Spross | | 8th |
| 31.8.1958 | SCCA Regional Mansfield [GP+HP+IP+JP+KP] | 711 | Sprite | Harold E. Witter | Lt. Harold E. Witter | DNA |
| 31.8.1958 | Preliminary Mansfield [GP+HP+IP+JP+KP] | 711 | Sprite | Harold E. Witter | Lt. Harold E. Witter | DNA |
| 31.8.1958 | Santa Barbara [GP+HP] | 777 | Sprite | Jim Parkinson | | 2nd |
| 31.8.1958 | Deer Park [FP+GP+HP+IP] | | | Leroy Sutherlin | | 3rd |
| 31.8.1958 | Deer Park [FP+GP+HP+IP] | | | | | DNF |
| 31.8.1958 | Santa Barbara [EP] | | | William Dornisch | | DNF |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | | 100 S | Jack Breskovich | | DNS |
| 31.8.1958 | Deer Park [FP+GP+HP+IP] | | | T. A. Rees | | 1st |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 1 | 100-6 | Dick Thompson | | DNF |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 29 | 100-6 | Robert C. Davidson | | 6th |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 30 | 100 | Reed Rollo | | 9th |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 36 | Sprite | Herbert Whiting | | 16th |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 86 | 100-6 | Bob Hathaway | | 8th |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 124 | 100 | Ray Cover | | DNF |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 247 | 100-6 | Fred Spross | | 7th |
| 1.9.1958 | St. Eugene [Formula Libre] | | 100-6 | George Brocklehurst | | DNF |
| 1.9.1958 | St. Eugene [Formula Libre] | | Sprite | Cliff Veary | | ?th |
| 1.9.1958 | St. Eugene [S1.6] | | Sprite | Cliff Veary | | DNF |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 14 | 100 | Gordon Cornwell | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 15 | 100-6 | Dick Thompson | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 42 | 100 | R. W. Clifford | | 25th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 47 | 100 | Norman Perkins | | 28th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 64 | | Bruce Munroe | | 23rd |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 65 | 100-6 | John Cook | | 30th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 66 | 100-6 | Ralph Durbin | | 12th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 72 | 100 | Jerry McDermott | | 32nd |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 79 | 100 | Leonard Janke | | 22nd |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 86 | 100 | Bob Hathaway | | DNA |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 97 | | John O'Connor | | DNS |
| 6.9.1958 | Sunbac Silverstone [Hadicap 1] | | 100 | John Venn | | raced |
| 6.9.1958 | Sunbac Silverstone [Production] | | Sprite | | | raced |
| 6.9.1958 | Sunbac Silverstone [Hadicap 2] | | Sprite | C. H. Swain | | raced |
| 6.9.1958 | Sunbac Silverstone [Production] | | 100-6 | David Shale | | DNF |
| 7.9.1958 | GP Leopoldville | 9 | | Joseph Sorco | | DNF |
| 7.9.1958 | GP Leopoldville | 10 | | Tebaldo Bossi | | DNF |
| 7.9.1958 | 500 mile Road America | 65 | 100-6 | Cook / McBride | | 17th |
| 7.9.1958 | 500 mile Road America | 66 | 100-6 | Ralph Durbin | | 16th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S+1.1] | 66 | | R. F. Hanson | R. Hanson | DNA |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 112 | Sprite | John Barber | | 9th |
| 13.9.1958 | Harewood Acres [S+1.5] | | 100 S | Hugh Sutherland | | 2nd |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 14 | 100-4 | Ed Pazdur | | DNA |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 15 | 100 M | Jim Bell | | 10th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 15 | 100 M | Jim Bell | | 6th |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 58 | 100 M | Al Niblack | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 65 | 100-6 | John Cook | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 66 | 100-6 | Ralph Durbin | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 66 | 100-6 | Mary Flockton | | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 67 | 100 | Harry Chun | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 74 | 100 | Gerald Rollo | | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [BM+CM+DM+BP] | 97 | | John O'Connor | | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 97 | | John O'Connor | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 112 | Sprite | John Barber | | DNF |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 112 | Sprite | Peter Shavney | | 27th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 141 | 100 | Dan Stanfill | | 5th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 141 | 100 | Dan Stanfill | | 5th |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 11 | 100-6 | Dick Thompson | David Herson | 5th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 103 | Special | Richard Matthews | Richard Matthews | 3rd |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 129 | 100-6 | Robert C. Davidson | Robert C. Davidson | 7th |
| 20.9.1958 | SCCA National Watkins Glen [DP+EP+HP+IM] | 130 | 100-6 | John Colgate | PFC. John K. Colgate, Jr. | 9th |
| 20.9.1958 | Preliminary Galveston [HM+MG+HP] | | Sprite | Louis Heuss | | 6th |