| 31.8.1958 | Preliminary Thompson [BP+CP] | 7 | | Jim Jeffords | | 1st |
| 31.8.1958 | Courtland [Ladies+Sedan 1.6] | 9 | | Audrey Saffell | | 1st |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 30 | | Bill Gaskins | | 7th |
| 31.8.1958 | Preliminary Thompson [BP+CP] | 31 | | Tom Kerr | | 4th |
| 31.8.1958 | Santa Barbara [Corvettes] | 36 | | Tony Settember | | 3rd |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 36 | | Tony Settember | | 3rd |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 37 | | Fred Grant | | 4th |
| 31.8.1958 | Preliminary Thompson [BP+CP] | 43 | | Dean McCarthy | | 2nd |
| 31.8.1958 | Santa Barbara [Corvettes] | 51 | | Bob Bondurant | | 4th |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 51 | | Bob Bondurant | | 2nd |
| 31.8.1958 | Preliminary Thompson [BP+CP] | 66 | | Traver McKenna | | 7th |
| 31.8.1958 | Santa Barbara [Corvettes] | 86 | #J58S102277 | Trenor Peter Stanley | | 6th |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 86 | #J58S102277 | Trenor Peter Stanley | | 10th |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 158 | | Skip Hudson | | 1st |
| 31.8.1958 | Santa Barbara [Corvettes] | 158 | | Skip Hudson | | 2nd |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 290 | | Jerry McGee | | 6th |
| 31.8.1958 | Deer Park [CM+DM+EM] | | | Don Campbell | | 3rd |
| 31.8.1958 | Santa Barbara [Corvettes] | | | Jerry Austin | | 5th |
| 31.8.1958 | Deer Park [AP+BP+DP+DP+EP] | | | Don Gasaway | | 3rd |
| 31.8.1958 | Deer Park [AP+BP+DP+DP+EP] | | | Tom Luce | | 1st |
| 31.8.1958 | Deer Park [AP+BP+DP+DP+EP] | | | Tad Davies | | 2nd |
| 31.8.1958 | Santa Barbara [Corvettes] | | | Bob Dickson | | 1st |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 7 | | Jim Jeffords | | 1st |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 31 | | Tom Kerr | | 5th |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 43 | | Dean McCarthy | | 10th |
| 1.9.1958 | SCCA National Thompson [BP+CP+DP] | 66 | | Traver McKenna | | DNF |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 2 | | Jim Jeffords | | 1st |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 16 | | Charles Hamill | | 18th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 21 | | Homer Dasey | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 29 | | Bill Larson | | 2nd |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 33 | | Bob Spooner | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 49 | | Al Morrisett | | 13th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 58 | #E57S105541 | Jack Knab | | 31st |
| 7.9.1958 | 500 mile Road America | 73 | | Hixon / Gates / Spooner | | 21st |
| 7.9.1958 | 500 mile Road America | 77 | | Jerome Earl | | 10th |
| 13.9.1958 | Harewood Acres [PS+1.5] | | | Les Morissett | | 2nd |
| 13.9.1958 | Harewood Acres [PS+1.5] | | | Ed Leavens | | 1st |
| 13.9.1958 | Indian Summer Trophy | | | Ed Leavens | | 3rd |
| 13.9.1958 | Indian Summer Trophy | | | Les Morissett | | raced |
| 14.9.1958 | SCCA Regional Meadowdale [BM+CM+DM+BP] | 1 | | Jim Jeffords | | DNF |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 5 | | Dean McCarthy | | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [BM+CM+DM+BP] | 17 | | Don Moseley | | raced |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 39 | | Dick Jalbert | | 1st |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 69 | #E57S104250 | Frank Dominianni | | DNF |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 69 | #E57S104250 | Frank Dominianni | | 1st |
| 19.9.1958 | Preliminary Watkins Glen [Ladies] | 220 | | Laura Dasey | | 3rd |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 1 | | Jim Jeffords | John F. Stephani | 1st |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 10 | | Tom Kerr | | 9th |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 51 | | Ed Leavens | E. B. Seitz | 4th |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 84 | #E57S104387 | Bob Mouat | Robert R. Mouat, Jr. | 5th |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 99 | | Roy Tuerke | | DNF |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 118 | | Ben Moore | Ben William Moore | 2nd |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 153 | | Dean McCarthy | | DNF |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 177 | | Ed Myers | Edwin J. Myers | 11th |
| 20.9.1958 | SCCA National Watkins Glen [BP+CP] | 220 | | Homer Dasey | | 7th |
| 20.9.1958 | Preliminary Galveston [Novice] | | | Jorge Trevino | | raced |
| 20.9.1958 | Preliminary Galveston [Novice] | | | Howard Smith | | 2nd |
| 20.9.1958 | Taça Cidade de Luanda | | | Santos | | raced |
| 21.9.1958 | LISCA Lime Rock [CM+BP+CP] | 154 | | Fred Aibel | | ?th |
| 21.9.1958 | LISCA Lime Rock [CM+BP+CP] | 238 | | W. Hayes | | ?th |
| 21.9.1958 | USAC Marlboro | | | John Herrera | | 6th |
| 21.9.1958 | Preliminary Galveston [BP+CP+DP+EP+GM] | | | Dave Morgan | | raced |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | | Andy Porterfield | | DNA |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | | Dalton Danon | | DNA |
| 21.9.1958 | Del Mar [Novice] | | | Dalton Danon | | 2nd |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | | Fred Grant | | 1st |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | | Bob Hoffman | | DNA |
| 21.9.1958 | Del Mar [BP+CP+DP+EP] | | | Skip Hudson | | DNA |
| 21.9.1958 | SCCA Regional Galveston [BP+CP+DP+EP+FP+GP] | | | Bill Horton | | raced |
| 21.9.1958 | Preliminary Galveston [BP+CP+DP+EP+GM] | | | Jack Martin | | ?th |
| 21.9.1958 | Preliminary Galveston [BP+CP+DP+EP+GM] | | | Bill Fuller | | ?th |
| 21.9.1958 | Preliminary Galveston [BP+CP+DP+EP+GM] | | | Bill Moore | | ?th |
| 21.9.1958 | SCCA Regional Galveston [BP+CP+DP+EP+FP+GP] | | | Jack Martin | | 4th |
| 27.9.1958 | Gardena [Main] | | | Hoppe / Yarter | | DNA |
| 27.9.1958 | Preliminary Gardena [Trophy Dash] | | | Ed Gray | | 1st |
| 27.9.1958 | Preliminary Gardena [Ladies] | | | H. C. Hoppe | | DNA |
| 27.9.1958 | Gardena [Main] | | | Ed Gray | | 3rd |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 72 | | Tad Davies | | DNF |
| 28.9.1958 | Consolation Hourglass Field | 86 | #J58S102277 | Trenor Peter Stanley | | 1st |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 222 | | Bob Kongelbak | | 2nd |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 225 | | Tom Luce | | 1st |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 517 | | Starr Calvert | | 19th |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 522 | | Bob Kongelbak | | DNF |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 534 | | Wallace Stauffer | | DNF |
| 28.9.1958 | ICNSCC Ellensburg [AP+BP+CP+DP+EP] | 577 | | Kaz Utani | | DNF |
| 28.9.1958 | Hourglass Field [BP+CP] | | | Fred Grant | | 3rd |
| 28.9.1958 | Hourglass Field [BP+CP] | | | Bob Bondurant | | 1st |
| 28.9.1958 | Hourglass Field [BP+CP] | | | Hugh Harn | | 2nd |
| 4.10.1958 | Preliminary Virginia [Novice] | 181 | | Alvin Forsyth | | raced |
| 5.10.1958 | SCCA Regional Thompson [BP+CP] | 5 | | Geoff Stevens | Geoffrey Stevens | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 7 | | Hugh Harn | | 2nd |
| 5.10.1958 | SCCA Regional Thompson [BP+CP] | 31 | | Tom Kerr | | 2nd |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 34 | #E57S103806 | Cloyd Gray | | DNF |
| 5.10.1958 | SCCA Regional Thompson [BP+CP] | 39 | | Dick Jalbert | Richard Jalbert | 1st |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 95 | | Sandy Greenblat | | 3rd |
| 5.10.1958 | SCCA National Virginia [BP+CP+DP+EP] | 99 | | Roy Tuerke | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 168 | | Ray Altman | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 191 | | Bob Devlin | | DNF |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 250 | | William Slater | | 4th |
| 5.10.1958 | SCCA National Vaca Valley [BP+CP+DP] | 283 | | Andy Porterfield | | DNF |