| 5.10.1958 | SCCA Regional Thompson [FP] | 2 | | Oscar Weissenborn | | 4th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 20 | | Bruce Grohe | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 20 | | Don Dickey | | 6th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 23 | | Bill Chadbourne | | 1st |
| 5.10.1958 | SCCA Regional Thompson [FP] | 25 | | Hans F. Rehemrez | | DNA |
| 5.10.1958 | SCCA Regional Thompson [FP] | 35 | | Donald Mark | | 9th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 43 | | Al Whatley | | 16th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 44 | | John Barneson | | 1st |
| 5.10.1958 | SCCA Regional Thompson [FP] | 48 | | Chandler Lawrence | | DNF |
| 5.10.1958 | SCCA Regional Thompson [FP] | 51 | | Dick Steltz | | 3rd |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 57 | | Charles Adams | | 10th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 70 | | Fred Block | | 20th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 70 | | George Frey | | 2nd |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 94 | | Steve Newland | | 21st |
| 5.10.1958 | SCCA Regional Thompson [FP] | 111 | | Edward Todd | | 5th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 116 | | Bob Herda | | 2nd |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 119 | | D. D. Michelmore | | 3rd |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 120 | | Jack Woodard | | 8th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 127 | | Leon Robertson | | 13th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 136 | | Emil Pardee | | 9th |
| 5.10.1958 | SCCA Regional Thompson [FP] | 149 | | Harry Blanchard | | DNA |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 155 | | Peter Talbot | | 14th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 170 | | Ed Vincent | | 5th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 207 | | Forrest Tindall | | 17th |
| 5.10.1958 | SCCA National Vaca Valley [EP+FP] | 217 | | Art Snyder | | 7th |
| 11.10.1958 | 3 h Autosport | 11 | | C. W. Lawson | C. W. Lawson | DNA |
| 11.10.1958 | 1 h Snetterton | 30 | | | | 10th |
| 11.10.1958 | 1 h Snetterton | 40 | | J. Walden | J. Walden | DNA |
| 11.10.1958 | 1 h Snetterton | 41 | | M. Kaye | Jim Russels Racing Drivers School | 8th |
| 11.10.1958 | Preliminary Venice [GM+HM+EP+FP+GP+HP] | | | Howard Fowler | | 3rd |
| 11.10.1958 | Preliminary Venice [GM+HM+EP+FP+GP+HP] | | | Jean Speidel | | 4th |
| 11.10.1958 | Preliminary Venice [GM+HM+EP+FP+GP+HP] | | | John Cuevas | | 1st |
| 12.10.1958 | SCCA Regional Wilmot [FP] | 7 | | John Peterson | | 6th |
| 12.10.1958 | Consolation Wilmot [EP+FP+HM] | 7 | | John Peterson | | 6th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 19 | | D. D. Michelmore | D. D. Michelmore | DNA |
| 12.10.1958 | SCCA Regional Wilmot [FP] | 19 | | Thomas Steinbock | | 3rd |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 21 | | Bill von Kluck | Bill von Kluck | 19th |
| 12.10.1958 | SCCA Regional Wilmot [FP] | 22 | | Cliff Phillips | | 1st |
| 12.10.1958 | SCCA Regional Wilmot [GP+HP+IM+Sedan] | 23 | | Carl Schmidt | | 1st |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 24 | | Ed Barker | Ed Barker | 16th |
| 12.10.1958 | SCCA Regional Wilmot [FP] | 27 | | Ernie Erickson | | 2nd |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 30 | | Art Snyder | Art Snyder | 14th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 31 | | Ronnie Bucknum | Ronnie Bucknum | 12th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 39 | | Thompson / Snider | Jerry Thompson | DNA |
| 12.10.1958 | SCCA Regional Wilmot [FP] | 47 | | William Jordan | | 4th |
| 12.10.1958 | Consolation Wilmot [EP+FP+HM] | 47 | | William Jordan | | 1st |
| 12.10.1958 | SCCA Regional Wilmot [FP] | 71 | | Mike McCann | | 7th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 72 | | Jimmy Moore | Jimmy Moore | DNF |
| 12.10.1958 | USAC Riverside | 118 | | Jean Pierre Kunstle | Jean-Pierre Kunstle | 20th |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 118 | | Jean Pierre Kunstle | Jean-Pierre Kunstle | DNA |
| 12.10.1958 | Riverside [BP+CP+DP+EP+FP] | 120 | | Don Dickey | Don Dickey | 6th |
| 12.10.1958 | 6 h Venice | | | Jean Speidel | | ?th |
| 12.10.1958 | 6 h Venice | | | John Cuevas | | ?th |
| 12.10.1958 | 6 h Venice | | | Chuck Cassel | | ?th |
| 18.10.1958 | Preliminary Lime Rock [GT] | | | | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 17 | | Bill Chadbourne | | 2nd |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 42 | | Donald Mark | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 49 | | Harry Blanchard | | 1st |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 50 | | Steve Wilder | | 3rd |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 57 | | Dunn | | 4th |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 115 | | Victor Czito | | 7th |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 130 | | John Nibert | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 142 | | John Keeney | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 179 | | Albert Phillips | | 9th |
| 19.10.1958 | SCCA Regional Lime Rock [FP] | 777 | | Ben Loquasto | | 8th |
| 25.10.1958 | Preliminary Minden [Porsche] | 177 | | Dan Herman | | ?th |
| 25.10.1958 | Preliminary Minden [Porsche] | | | D. D. Michelmore | | 2nd |
| 25.10.1958 | Preliminary Minden [Porsche] | | | Don Dickey | | 1st |
| 25.10.1958 | Preliminary Minden [Porsche] | | | Bob Greenland | | ?th |
| 25.10.1958 | Preliminary Minden [Porsche] | | | Art Snyder | | 3rd |
| 26.10.1958 | SCCA Regional Dothan [Main] | 1 | | Jean Speidel | Jean Speidel | 7th |
| 26.10.1958 | Preliminary Dothan [Ladies] | 1 | | Jean Speidel | Jean Speidel | 1st |
| 26.10.1958 | SCCA Regional Dothan [Main] | 7 | | Franco Ferreira | Franco Ferreira | DNA |
| 26.10.1958 | Minden [BP+CP+DP] | 15 | | D. D. Michelmore | | 5th |
| 26.10.1958 | Minden [BP+CP+DP] | 20 | | Don Dickey | | 3rd |
| 26.10.1958 | Minden [S1.5] | 20 | | Don Dickey | | 5th |
| 26.10.1958 | Minden [S1.5] | 31 | | Ronnie Bucknum | | DNF |
| 26.10.1958 | Minden [EP+FP+GP+HP] | 31 | | Ronnie Bucknum | | 2nd |
| 26.10.1958 | Minden [S1.5] | 43 | | Al Whatley | | DNF |
| 26.10.1958 | Minden [BP+CP+DP] | 43 | | Al Whatley | | 8th |
| 26.10.1958 | Minden [S1.5] | 57 | | Pierre Dumenil | | 8th |
| 26.10.1958 | SCCA Regional Dothan [Main] | 83 | | John Cuevas | John Cuevas | 4th |
| 26.10.1958 | Minden [S1.5] | 127 | | Leon Robertson | | 7th |
| 26.10.1958 | Minden [S1.5] | 177 | | Dan Herman | | 6th |
| 26.10.1958 | Minden [EP+FP+GP+HP] | 177 | | Dan Herman | | 1st |
| 26.10.1958 | Minden [BP+CP+DP] | 180 | | Carl Meyer | | 10th |
| 26.10.1958 | Minden [BP+CP+DP] | 217 | | Art Snyder | | 9th |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | | | | ?th |
| 26.10.1958 | SCCA Regional Dothan [Main] | | | | | raced |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | | | | ?th |
| 26.10.1958 | Modena [GT] | | | Brunetto Della Vita | | 8th |
| 26.10.1958 | Minden [Ladies] | | | Doris Shirley | | 3rd |
| 26.10.1958 | Vineland [FP+HM] | | | Harry Blanchard | | ?th |
| 26.10.1958 | Vineland [FP] | | | Hans Rhemrev | | ?th |
| 26.10.1958 | Minden [EP+FP+GP+HP] | | | Bob Greenland | | ?th |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | | John Cuevas | | 1st |
| 26.10.1958 | Preliminary Dothan [Ladies] | | | Nedra Ware | | 4th |
| 26.10.1958 | Minden [EP+FP+GP+HP] | | | Gary Squires | | 3rd |
| 26.10.1958 | Vineland [FP+HM] | | | Horace Ott | | DNF |
| 1.11.1958 | Preliminary Palm Springs [FP+GP+HP] | 17 | | Pat Keenan | Patrick H. Keenan | DNA |