| 9.2.1958 | Pomona [S1.5] | 8 | Special | Dusty Miller | Dusty Miller | 8th |
| 9.2.1958 | Pomona [Ladies] | 25 | Special | Dot Chaffee | Jim Chaffee | DNA |
| 9.2.1958 | Pomona [S1.5] | 25 | Special | Jim Chaffee | Jim Chaffee | DNF |
| 9.2.1958 | Pomona [S1.5] | 26 | Special | Alan Kerns | Bud Hand | 15th |
| 9.2.1958 | Pomona [Ladies] | 28 | TD | | Georges Lachman | DNA |
| 9.2.1958 | Pomona [Ladies] | 32 | TD | | Cliff Hensley | DNA |
| 9.2.1958 | Pomona [Ladies] | 39 | TF | | Greg Krem | DNA |
| 9.2.1958 | Pomona [Ladies] | 61 | TD | | Phil Carter | DNA |
| 9.2.1958 | Pomona [Ladies] | 89 | A | Ruth Doushkess | Ray Pickering | DNA |
| 9.2.1958 | Pomona [Ladies] | 92 | TD Mk II | | Jack Cleghorn | DNA |
| 9.2.1958 | Pomona [Ladies] | 101 | TF | | Jack Bleak | DNA |
| 9.2.1958 | Pomona [Ladies] | 103 | TD | | Ken Roehr | DNA |
| 9.2.1958 | Pomona [Ladies] | 105 | A | Ruth Doushkess | Hal Butler | DNA |
| 9.2.1958 | Pomona [Ladies] | 135 | TD | | Wm. Steube | DNA |
| 9.2.1958 | Pomona [Ladies] | 143 | TD | | Patrick Fahey | DNA |
| 9.2.1958 | Pomona [S+1.5] | 155 | TC Special | Harold Erb | | DNF |
| 9.2.1958 | Pomona [Ladies] | 155 | Special | Caroline Tremaine | | 8th |
| 9.2.1958 | Pomona [Ladies] | 159 | TF | Rose Nelson | Bud Newman | 11th |
| 9.2.1958 | Pomona [Production MG] | 169 | A | George Demetras | George Demetras | DNA |
| 9.2.1958 | Pomona [Production MG] | 170 | TD | Nick Jay | Nick Jay | DNA |
| 9.2.1958 | Pomona [Ladies] | 170 | TD | | Nick Jay | DNA |
| 9.2.1958 | Pomona [Ladies] | 218 | TD Mk II | | Harold Armes | DNA |
| 9.2.1958 | Pomona [Ladies] | 237 | TD Mk II | Norah Taylor | Sam Taylor | 7th |
| 9.2.1958 | Pomona [Ladies] | 251 | A | Dot Chaffee | Jim Chaffee | 6th |
| 9.2.1958 | Pomona [Production MG] | 710 | TF | Harold Dixon | Harold Dixon | DNA |
| 9.2.1958 | Guadalajara [1.5] | | A | Amado Pedrero | | 3rd |
| 9.2.1958 | Guadalajara [1.5] | | A | Luis Gonzalez Hernandez | | 2nd |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 4 | A | Keith Marks | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 4 | A | Keith Marks | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 9 | A | George Peck | | 7th |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 9 | A | George Peck | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 19 | A | Ross Durant | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 19 | A | Ross Durant | | 5th |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 28 | A | Dick Richard | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 28 | A | Dick Richard | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 33 | A | E. D. Martin | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 33 | A | E. D. Martin | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 72 | TD | Felix Brunot | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 72 | TD | Felix Brunot | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 77 | A | Parsons / Hardin | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 77 | A | Parsons / Hardin | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 94 | A | Arch Means | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 94 | A | Arch Means | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [Novice 2] | 601? | A | Otis Culbreth | | raced |
| 16.2.1958 | Willow Springs [Ladies] | | Special | H. C. Hoppe | | 3rd |
| 16.2.1958 | Willow Springs [Production 1.6] | | A | Jon Van Rhyn | | 3rd |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | | A | Sheldon Dobkin | | 6th |
| 16.2.1958 | Willow Springs [Ladies] | | A | Barbara Scott | | 2nd |
| 16.2.1958 | Willow Springs [Modified] | | Special | Barton Haskell | | 2nd |
| 16.2.1958 | Willow Springs [Production 1.6] | | A | Bill Hunt | | DNF |
| 16.2.1958 | Willow Springs [Production 1.6] | | | Don Lowe | | DNF |
| 16.2.1958 | Willow Springs [Main] | | Special | Barton Haskell | | ?th |
| 16.2.1958 | Willow Springs [Production 1.6] | | A | Fred Heffington | | 1st |
| 16.2.1958 | Willow Springs [Production 1.6] | | A | Don Stewart | | 2nd |
| 1.3.1958 | Preliminary Phoenix [Novice] | 29 | A | Melvin Davis | | 20th |
| 1.3.1958 | Preliminary Phoenix [Novice] | 33 | A | Ed Crooks | | 21st |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 24 | TD | Gerry Peterson | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 24 | TD | Gerry Peterson | | DNS |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 29 | A | Melvin Davis | | 12th |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 29 | A | Melvin Davis | | 22nd |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 33 | A | Ed Crooks | | 14th |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 33 | A | Jack Dalton | | 19th |
| 8.3.1958 | Novice Mansfield [S1.6] | 35 | TD | C. H. Eley | | 5th |
| 8.3.1958 | Novice Mansfield [S1.6] | 38 | A | Harold Kreech | | 3rd |
| 8.3.1958 | Novice Mansfield [S1.6] | 77 | A | J. B. Richard | | 2nd |
| 8.3.1958 | Novice Mansfield [S1.6] | 265 | A | R. O. Biesel | | 4th |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 9 | A | David Marks | | raced |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 13 | A | M. Gartland | | raced |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 19 | A | Ross Durant | | raced |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 25 | TD | J. B. Cranford | | 11th |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 25 | TD | J. B. Cranford | | 15th |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 25 | A | V. Lamb | | raced |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 27 | A | Frank Folbre | | 5th |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 27 | A | Frank Folbre | | DNF |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 31 | TD | J. F. Muller | | DNS |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 31 | TD | J. F. Muller | | DNF |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 33 | A | Tom Gerber | | 3rd |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 33 | A | Tom Gerber | | 3rd |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 33 | A | Keith Marks | | raced |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 35 | TD | C. H. Eley | | 17th |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 35 | TD | C. H. Eley | | DNS |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 38 | A | Harold Krech | | DNS |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 38 | A | Harold Krech | | 10th |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 40 | A | Louis Heuss | | 2nd |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 40 | A | Louis Heuss | | 2nd |
| 9.3.1958 | Preliminary Boca Raton [FP+GP+HP+KP+HM] | 48 | A | W. Garrington | | raced |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 57 | A | Bob Nation | | 1st |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 57 | A | Bob Nation | | 1st |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 60 | A | Phil Godwin | | DNF |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 60 | A | Phil Godwin | | 6th |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 73 | TD | Ray Loflin | | DNF |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 73 | TD | Ray Loflin | | DNS |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 76 | TD | Carl Whyte | | 12th |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 76 | TD | Carl Whyte | | 12th |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 77 | A | J. B. Richard | | 9th |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 77 | A | J. B. Richard | | 6th |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 101 | A | J. A. Douglas | | 7th |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 101 | A | J. A. Douglas | | 5th |
| 9.3.1958 | Preliminary Mansfield [MGA+GP+KP] | 265 | A | R. O. Bisel | | DNF |
| 9.3.1958 | SCCA Regional Mansfield [MGA+GP+KP+HM] | 265 | A | R. O. Bisel | | DNS |