| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 53 | | Vin Sardi | | 7th |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 57 | | John Clark | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 11 | | Dick Thompson | | DNF |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 11 | | Dick Thompson | | ?th |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 73 | | Fred Moore | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 73 | | Fred Moore | | DNF |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 86 | | Bob Hathaway | | ?th |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 86 | | Bob Hathaway | | DNA |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 121 | | Pete Harrison | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 121 | | Pete Harrison | | DNA |
| 10.5.1958 | 4 h Relay Harewood Acres | 6A | | Dennis Coad | Oaktra Four | 20th |
| 10.5.1958 | 4 h Relay Harewood Acres | 12C | | Vic Reichert | Ecurie Sticky Wicket | 22nd |
| 10.5.1958 | 4 h Relay Harewood Acres | 14B | | Hugh Sutherland | Ecurie Volanti | 9th |
| 10.5.1958 | 4 h Relay Harewood Acres | 15A | | S. E. Ward | Ecurie Arrow | 8th |
| 10.5.1958 | 4 h Relay Harewood Acres | 15B | | Dave Hennessey | Ecurie Arrow | 8th |
| 10.5.1958 | 4 h Relay Harewood Acres | 20P | | D. J. Dell | The Hasas | DNF |
| 10.5.1958 | 4 h Relay Harewood Acres | 25C | | J. R. Flach | Ecurie Pegasus | 14th |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 130 | | Ronnie Berryman | Ronnie Berryman | DNA |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 130 | | Merle Runolfson | Merle L. Runolfson | DNA |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 144 | | George Snively | Dr. George Snively | 8th |
| 10.5.1958 | Novice Tracy [Production +1.6] | 206 | | Bert Smeeden | Bert Smeeden | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 1 | | Dexter Whitten | Dexter Whitten | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 1 | | Dexter Whitten | Dexter Whitten | DNF |
| 11.5.1958 | Hawaii [Match] | 1 | | Dexter Whitten | Dexter Whitten | ?th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 130 | | Ronnie Berryman | Ronnie Berryman | 10th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 130 | | Merle Runolfson | Merle L. Runolfson | 5th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 144 | | George Snively | Dr. George Snively | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 206 | | Bert Smeeden | | 11th |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 17 | | Dick Thompson | David L. Herson | ?th |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 34 | | Robert Bochroch | Robert L. Bochrock | DNA |
| 18.5.1958 | SCCA National Cumberland [BM+CM+DM] | 42 | | Dick Stockton | Richard S. Stockton | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 66 | | Ralph Durbin | Ralph L. Durbin | ?th |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 73 | | Fred Moore | Col. Frederick L. Moore | ?th |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 86 | | Bob Hathaway | Robert L. Hathaway | DNA |
| 18.5.1958 | LISCA Lime Rock [DP] | | | Len Franke | | 3rd |
| 18.5.1958 | LISCA Lime Rock [DP] | | | Bob Thomas | | 1st |
| 18.5.1958 | LISCA Lime Rock [DP] | | | G. Smith | | 2nd |
| 24.5.1958 | BRSCC Full Sutton [PS] | 72 | | I. Banks | | 10th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 73 | | A. H. Field | | 2nd |
| 24.5.1958 | BRSCC Full Sutton [PS] | 77 | | Michael Kellett | | raced |
| 24.5.1958 | BRSCC Full Sutton [PS] | 78 | | M. L. Bailey | | 13th |
| 26.5.1958 | Autosport Mallory Park [PS+1.6/PS1.0] | 48 | | C. Hanson | Team Triple 'S' | DNA |
| 26.5.1958 | Autosport Mallory Park [PS+1.6/PS1.0] | 49 | | Michael Kellett | Team Triple 'S' | DNA |
| 26.5.1958 | Autosport Mallory Park [PS+1.6/PS1.0] | 52 | | Dick Protheroe | E. Protheroe | DNA |
| 26.5.1958 | Autosport Mallory Park [PS+1.6/PS1.0] | 53 | | W. A. Bemrose | W. A. W. Bemrose | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Novice] | 2 | | Max Gordon | Maxwell Gordon | raced |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 2 | | Gordon / Patterson | Maxwell Gordon | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified +1.5] | 9 | #AHS 3508 | Bill Friedauer | Bill Friedauer | DNA |
| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 10 | | Dick Ecklund | | 7th |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 22 | | Ben Bloemendaal | Ben Bloemendaal | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 35 | | Frank Latta | Frank M. Latta | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified +1.5] | 55 | | Roland Berry | Roland Berry | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 74 | | Earl Drew | Earl Drew | DNA |
| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 75 | | Gary Morgan | | 11th |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 94 | | Bob Young | Robert J. Young | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 95 | | Thomas O'Neill | Thomas O'Neill | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 99 | | George Hively | George Hively | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 130 | | Chuck Parsons | Chuck Parsons | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 163 | #AHS 3709 | Jack Breskovich | Jack Breskovich | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Ladies] | 164 | | Barbara Windhorst | Robert Windhorst | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 164 | | Robert Windhorst | Robert Windhorst | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified +1.5] | 180 | | Bill Atkins | Charles Colwell | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 252 | | James Coffin | James Coffin | DNA |
| 31.5.1958 | LASC Green Acres [S/GT+2.6] | | | Durbin | | 3rd |
| 31.5.1958 | ICNSCC Deer Park [Production +1.5] | | | Dwight Goffinet | | ?th |
| 31.5.1958 | LASC Green Acres [S/GT2.7] | | | Ralph Durbin | | 1st |
| 31.5.1958 | ICNSCC Deer Park [Formula Libre] | | | Dwight Goffinet | | 5th |
| 1.6.1958 | SCCA National Bridgehampton [DP+EP] | 1 | | John Colgate | | 6th |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 2 | | Max Gordon | Maxwell Gordon | DNF |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 9 | #AHS 3508 | Bill Friedauer | Bill Friedauer | DNA |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 10 | | Dick Ecklund | | 2nd |
| 1.6.1958 | GP Dunkirk | 10 | | Dick Ecklund | | 9th |
| 1.6.1958 | SCCA Regional Dunkirk [Ladies] | 10 | | Ellen Schaefer | | 7th |
| 1.6.1958 | SCCA National Bridgehampton [DP+EP] | 14 | | Vin Sardi | | 9th |
| 1.6.1958 | SCCA National Bridgehampton [DP+EP] | 16 | | Dick Thompson | | 1st |
| 1.6.1958 | GP Dunkirk | 18 | | Norman Webb | | 16th |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 18 | | Norman Webb | | 7th |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 22 | | Ben Bloemendaal | Ben Bloemendaal | DNS |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 35 | | Frank Latta | Frank M. Latta | 22nd |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 55 | | Roland Berry | Roland Berry | DNA |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 74 | | Earl Drew | Earl Drew | 23rd |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 75 | | Gary Morgan | | 10th |
| 1.6.1958 | SCCA National Bridgehampton [DP+EP] | 76 | | Don Morrison | | 10th |
| 1.6.1958 | SCCA National Bridgehampton [DP+EP] | 86 | | Bob Hathaway | | 11th |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 94 | | Bob Young | Robert J. Young | DNA |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 95 | | Thomas O'Neill | Thomas O'Neill | 21st |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 99 | | Irwin Buxbaum | | DNF |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 99 | | George Hively | George Hively | 24th |
| 1.6.1958 | SCCA Regional Dunkirk [Ladies] | 99 | | Ruth Luedeke | | 5th |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 130 | | Chuck Parsons | Chuck Parsons | 20th |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 163 | #AHS 3709 | Jack Breskovich | Jack Breskovich | 8th |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 164 | | Robert Windhorst | Robert Windhorst | 11th |
| 1.6.1958 | Santa Barbara [Ladies] | 164 | | Barbara Windhorst | Robert Windhorst | DNA |
| 1.6.1958 | Santa Barbara [BM+CM+DM+EM] | 180 | | Bill Atkins | Charles Colwell | DNF |
| 1.6.1958 | SCCA National Bridgehampton [DP+EP] | 247 | | Fred Spross | | 7th |
| 1.6.1958 | Santa Barbara [BP+CP+DP] | 252 | | James Coffin | James Coffin | 25th |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 50 | | Julian Sutton | Julian Sutton | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 125 | | Ken Spellman | Ken Spellman | raced |
| 7.6.1958 | Preliminary Eagle Mountain [race 2] | | | R. L. Crownrich | | ?th |
| 7.6.1958 | Preliminary Eagle Mountain [race 2] | | | Laurence Johnson | | ?th |