| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 4 | TD | W. A. Tapscott | | 26th |
| 1.6.1958 | Santa Barbara [Ladies] | 25 | A | Dot Chaffee | Jim Chaffee | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 42 | TC | T. C. Teague | T. C. Teague | 14th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 55 | A | Joe Lenker | | 25th |
| 1.6.1958 | 1000 km Nürburgring | 59 | A | Carnegie / Hayles | Fitzwilliam Racing Team | DNS |
| 1.6.1958 | Santa Barbara [Ladies] | 108 | TF 1500 | Ann Moore | Gary Moore | DNA |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 114 | A | Louis Heuss | | 11th |
| 1.6.1958 | Santa Barbara [MG] | 150 | A | Robert Parker | Robert Parker | DNA |
| 1.6.1958 | Santa Barbara [MG] | 153 | TD | Art White | Art White | DNA |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 155 | TC Special | Harold Erb | Carl Seidlitz | DNA |
| 1.6.1958 | Santa Barbara [Ladies] | 155 | TC | Janet Tremaine | Carl Seidlitz | DNA |
| 1.6.1958 | Santa Barbara [MG] | 168 | A | George Schillreff | George Schillreff | DNA |
| 1.6.1958 | Santa Barbara [MG] | 186 | TC | Duane Jones | Ronald Simon | DNA |
| 1.6.1958 | Santa Barbara [MG] | 198 | TD | Donald Caselton | Donald Caselton | DNA |
| 1.6.1958 | Santa Barbara [FM+GM+HM] | 202 | TC Special | William Shaw | William L. Shaw | DNA |
| 1.6.1958 | Santa Barbara [MG] | 215 | A | Harold Greenberg | Harold Greenberg | DNA |
| 1.6.1958 | Santa Barbara [MG] | 220 | A | Dave Hetzler | Rick Kohler | DNA |
| 1.6.1958 | Santa Barbara [Ladies] | 237 | TD Mk II | Norah Taylor | Sam Taylor | DNA |
| 1.6.1958 | Santa Barbara [MG] | 237 | TD Mk II | Sam Taylor | Sam Taylor | DNA |
| 1.6.1958 | Santa Barbara [MG] | 244 | TC | Steve Dredge | Steve Dredge | DNA |
| 1.6.1958 | Santa Barbara [MG] | 269 | A | George Demetras | George Demetras | DNA |
| 1.6.1958 | Santa Barbara [MG] | 710 | TF | Harold Dixon | Harold (Phil) Dixon | DNA |
| 1.6.1958 | Santa Barbara [MG] | 712 | TF 1500 | Bill Dixon | Todd Evans | DNA |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | | A | Donald Lummis | | 18th |
| 7.6.1958 | Put-In-Bay [GP+HP] | 3 | TD | William Staufer | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 3 | TD | William Staufer | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 4 | TC | Ralph Cadwallader | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 7 | TF | John Tame | | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 7 | TD | Harry Ratcliffe | Harry Ratcliffe | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 10 | TC | Ted Ley | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 11 | TF | Ralph Durbin | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 11 | TD | Charles Tipton | | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 15 | A | Terry Edmeston | Terry Edmeston | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 15 | A | Terry Edmeston | Terry Edmeston | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 15 | A | Bud Pell | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 16 | TC | Martin Alperstein | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 17 | TC | Charles Henry | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 20 | A | Roland Payne | | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 26 | A | Denise Woolley | Miss Denise Woolley | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 30 | A | | | raced |
| 7.6.1958 | Put-In-Bay [MG] | 44 | TD | Ronald Kehl | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 47 | TF | Al Weaver | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 49 | TD | Bill Henry | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 53 | A | Robert Wheaton | | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 58 | | F. W. H. Booth | Scuderia Cascara | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 61 | A | | | raced |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 64 | A | Bob Dack | Bob Dack | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 69 | A | Hank Handley | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 74 | TD | Allen Hess | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 76 | A | Clement Mendham | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 79 | A | Howard Johnson | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 80 | TC | Willard Whisler | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 82 | TD | Tom Kersey | | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 85 | A | J. Carefoot | J. Carefoot | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 85 | A | Del Lance | | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 85 | A | J. Carefoot | J. Carefoot | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 85 | A | J. Carefoot | R. J. Carefoot | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 86 | TD | Jack Hargreaves | | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 87 | TF | J. P. Hacking | J. P. Hacking | raced |
| 7.6.1958 | Put-In-Bay [FP] | 88 | A | Barnie Burnett | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 90 | A | Robert Floeck | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 91 | TD | Bill Malion | | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap A] | 93 | A | Tommy Entwistle | Tom Entwistle | 2nd |
| 7.6.1958 | Put-In-Bay [FP] | 93 | A | Bill Malion | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 97 | A | Phil Forsyth | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 98 | TD | B. A. Miske | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 101 | TC | Elvadore Cranage, Jr. | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 102 | TF | Richard Reihm | | DNA |
| 7.6.1958 | Put-In-Bay [MG] | 103 | TF | John Bernard | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 104 | A | Dudley Deimel | | DNA |
| 7.6.1958 | Put-In-Bay [FP] | 121 | A | Homer Dasey | | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 142 | A | Doreen Harris | Mrs. Doreen Harris | DNA |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 1 | A | Otto Klein | | 4th |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 1 | A | Otto Klein | | 5th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 6 | A | George Schaab | | DNA |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 13 | A | C. William Allen | | 5th |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 13 | A | C. William Allen | | 6th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 24 | A | James Stevens | | 10th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 6] | 25 | TD | J. B. Cranford | | 2nd |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | 49 | A | Tom Gerber | | raced |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 53 | A | Dick Malone | | 7th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 56 | A | John Hunter | | DNF |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | 59 | A | Allan Crawford | | raced |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | 60 | A | Harold Krech | | raced |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 69 | A | Dan Donoghue | | DNA |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 80 | A | Don Urian | | 5th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 86 | A | Kerr / Stores | | DNA |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 90 | A | Alan Dillenberg | | 9th |
| 8.6.1958 | SCCA Regional Lawrenceville [BM+CM+DM+EM+FM+GM] | 111 | | James Mautz | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+GM] | 111 | | James Mautz | | ?th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 127 | A | Dennis Miller | | DNA |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 177 | A | Ron Letellier | | 6th |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 215 | TF | Frank White | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 215 | TF | Frank White | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 4] | | A | Louis Heuss | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 10] | | TC | Herb Rodier | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | | A | Louis Heuss | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 4] | | A | Bob Nation | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | | A | Bob Nation | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | | A | James Binford | | ?th |