| 17.8.1958 | Zeltweg [GT+1.3] | 81 | | | | DNE |
| 23.8.1958 | LASC Green Acres [Century Class] | 10 | | Anthony Sowers | Anthony Sowers | DNA |
| 23.8.1958 | LASC Green Acres [S2.0] | 10 | | Anthony Sowers | Anthony Sowers | DNA |
| 24.8.1958 | Hourglass Field [S1.5] | | | Ron Cash | | 3rd |
| 24.8.1958 | Hourglass Field [Unlimited] | | | Ron Cash | | 2nd |
| 24.8.1958 | Hourglass Field [Unlimited] | | | Jim Lockwood | | 3rd |
| 30.8.1958 | Preliminary Santa Barbara [Novice] | 26 | | Peter Papke | | ?th |
| 30.8.1958 | Preliminary Santa Barbara [EP] | 31 | | Ronnie Bucknum | | 1st |
| 30.8.1958 | Novice Mansfield [S+1.6] | 38 | | John R. Martin | John R. Martin | DNA |
| 30.8.1958 | Preliminary Santa Barbara [EP] | 177 | | Richard Bellows | | 2nd |
| 30.8.1958 | Preliminary Santa Barbara [Novice] | 177 | | Richard Bellows | | 2nd |
| 30.8.1958 | Preliminary Santa Barbara [CP+DP] | 200 | | Don Dickey | | 1st |
| 30.8.1958 | Preliminary Santa Barbara [CP+DP] | | | D. D. Michelmore | | 2nd |
| 30.8.1958 | Preliminary Santa Barbara [FP] | | | Ed Barker | | 1st |
| 30.8.1958 | Preliminary Santa Barbara [Novice] | | | John Michelmore | | 3rd |
| 31.8.1958 | Preliminary Thompson [FP] | 0 | | Morrow Decker | | 4th |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 1 | | Carlos Schuessler | Carlos F. Schuessler | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 1 | | Carlos Schuessler | Carlos F. Schuessler | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 10 | | Floyd Stone | | DNF |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 17 | | Emory Cantey | Emory Cantey | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 17 | | Emory Cantey | Emory Cantey | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 23 | | Joe Trotter | | 10th |
| 31.8.1958 | Preliminary Thompson [FP] | 24 | | Buel Kinne | | 5th |
| 31.8.1958 | Santa Barbara [EP] | 26 | | Peter Papke | | 6th |
| 31.8.1958 | Santa Barbara [EP] | 31 | | Ronnie Bucknum | | 2nd |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 38 | | John R. Martin | John R. Martin | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 38 | | John R. Martin | John R. Martin | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 41 | | Eddie Cordaro | Eddie Cordaro | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 41 | | Eddie Cordaro | Eddie Cordaro | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 44 | #84782 | Tommy Allen | Tommy Allen | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 44 | #84782 | Tommy Allen | Tommy Allen | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 64 | | Oscar Weissenborn | | 6th |
| 31.8.1958 | Preliminary Thompson [FP] | 94 | | Harry Blanchard | | 1st |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 104 | | Bob Welch | Bob Welch | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 104 | | Bob Welch | Bob Welch | DNA |
| 31.8.1958 | Preliminary Thompson [FP] | 110 | | Bill Welsh | | DNF |
| 31.8.1958 | Preliminary Thompson [FP] | 112 | | John Romig | | 7th |
| 31.8.1958 | Santa Barbara [FP] | 124 | | Gerald Thompson | | 7th |
| 31.8.1958 | Preliminary Thompson [FP] | 137 | | Richard Lerner | | 3rd |
| 31.8.1958 | Santa Barbara [EP] | 177 | | Richard Bellows | | 1st |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 200 | | Don Dickey | | 5th |
| 31.8.1958 | Preliminary Thompson [FP] | 211 | | Frank Wagenhofer | | 2nd |
| 31.8.1958 | Santa Barbara [EP] | 234 | | Hank Montonen | | 9th |
| 31.8.1958 | Courtland [GM+FP+GP+HP] | | | John Cuevas | | 2nd |
| 31.8.1958 | Courtland Trophy | | | John Cuevas | | 4th |
| 31.8.1958 | Deer Park [FP+GP+HP+IP] | | | John Sparrow | | 2nd |
| 31.8.1958 | Santa Barbara [FP] | | | Ed Barker | | DQ |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 0 | | Morrow Decker | | 7th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 10 | | Floyd Stone | | 9th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 23 | | Joe Trotter | | 10th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 24 | | Buel Kinne | | 8th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 94 | | Harry Blanchard | | 1st |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 110 | | Bill Welsh | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 137 | | Richard Lerner | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 211 | | Frank Wagenhofer | | 3rd |
| 1.9.1958 | St. Eugene [S1.6] | | | Jim Munzin | | 3rd |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 0 | | Chuck Rickert | | 1st |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 1 | | Robert Schoening | | 23rd |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 9 | | Ed Walsh | | DNS |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 11 | | George Drolsom | | 15th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 19 | | Thomas Steinbock | | 14th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 22 | | Cliff Phillips | | DNS |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 23 | | Carl Schmidt | | DNF |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 36 | | Lucille Key | | 26th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 44 | | John Koperski | | 13th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 49 | | Harry Blanchard | | 2nd |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 62 | | Mike Collins | | 3rd |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 72 | | Ernie Erickson | | DNS |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 77 | | Phil Liautaud | | 27th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 79 | | Harry Palmer | | 10th |
| 7.9.1958 | 500 mile Road America | 6 | | Wester / Bodkins | | DNS |
| 7.9.1958 | Coppa Inter-Europa [GT+1.3] | 68 | | Huschke von Hanstein | | ?th |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 14 | | Arthur Peck | | 3rd |
| 13.9.1958 | Preliminary Bridgehampton [GT] | 95 | | J. Harrison | | 7th |
| 13.9.1958 | Harewood Acres [PS1.5] | | | Harry Blanchard | | 1st |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 0 | | Chuck Rickert | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 5 | | Ray Olson | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 8 | | Buel Kinne | | 12th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 8 | | Buel Kinne | | DNF |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 8 | | Buel Kinne | | 4th |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 11 | | George Drolsom | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 17 | | Bill Chadbourne | | 13th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 17 | | Bill Chadbourne | | 13th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 30 | | Donald Mark | | 20th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 30 | | Donald Mark | | 21st |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 31 | | William Wilbourne | | 8th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 31 | | William Wilbourne | | DNF |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 37 | | Bruce Grohe | | 22nd |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 37 | | Bruce Grohe | | 26th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 71 | | Victor Czito | | 14th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 71 | | Victor Czito | | 14th |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 71 | | Bill Strand | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 77 | | Edward Todd | | 7th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 77 | | Edward Todd | | 15th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 77 | | Edward Todd | | 11th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 114 | | Albert Close | | DNF |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 114 | | Albert Close | | 11th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 114 | | Albert Close | | 22nd |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 711 | | Steve Wilder | | 9th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 711 | | Steve Wilder | | 11th |