| 28.6.1958 | Preliminary Riverside [Ladies] | | 100 S | Barbara Windhorst | | 3rd |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 2 | | Max Gordon | | DNF |
| 29.6.1958 | WJC Charterhall [S1.5] | 9 | Sprite | Arnold Burman | A. Burman | raced |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 28 | 100 | Ted Cooper | | DNF |
| 29.6.1958 | WJC Charterhall [S+1.5] | 36 | 100 M | Julian Sutton | J. Sutton | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 36 | 100 M | Julian Sutton | J. Sutton | raced |
| 29.6.1958 | WJC Charterhall [Racing] | 40 | 100 S | W. A. Thompson | W. A. Thompson | DNA |
| 29.6.1958 | WJC Charterhall [S+1.5] | 40 | 100 S | W. A. Thompson | W. A. Thompson | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 40 | 100 S | W. A. Thompson | W. A. Thompson | raced |
| 29.6.1958 | WJC Charterhall [S3.0] | 41 | 100 S | Brian McAdam | J. H. Lawson | raced |
| 29.6.1958 | WJC Charterhall [Racing] | 41 | 100 S | Brian McAdam | J. H. Lawson | raced |
| 29.6.1958 | WJC Charterhall [S+1.5] | 41 | 100 S | Jimmy Blumer | J. H. Lawson | 5th |
| 29.6.1958 | WJC Charterhall [S+1.5] | 42 | 100 S | Ted Evans | B. L. Carlaw | DNA |
| 29.6.1958 | WJC Charterhall [S3.0] | 42 | 100 S | Ted Evans | B. L. Carlaw | raced |
| 29.6.1958 | WJC Charterhall [Racing] | 42 | 100 S | Ted Evans | B. L. Carlaw | DNA |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 47 | | Earl Drew | | 17th |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 94 | | Bob Young | | 15th |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 99 | | George Hively | | 18th |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 163 | 100 S | Jack Breskovich | | 5th |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 164 | 100 S | Robert Windhorst | | 11th |
| 29.6.1958 | Riverside [BP+CP+DP+EP] | 252 | | James Coffin | Long Beach MG Car Club Racing Team | 16th |
| 29.6.1958 | Riverside [Ladies] | | 100 S | Barbara Windhorst | | 6th |
| 29.6.1958 | St. Eugene [Formula Libre] | | | Chris Deary | | ?th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 17 | 100-6 | Dick Thompson | | 6th |
| 5.7.1958 | LASC Green Acres [S1.5] | 25 | Sprite | Dick Dohmen | R. F. Dohmen | 21st |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 29 | 100-6 | Robert C. Davidson | | 15th |
| 5.7.1958 | LASC Green Acres [S+2.6] | 31 | Special | Frank Kresak | Virgil General Garage | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 31 | Special | Frank Kresak | Virgil General Garage | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 34 | 100 M | John Bishop | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 34 | 100 M | John Bishop | Ecurie Sticky Wicket | 12th |
| 5.7.1958 | LASC Green Acres [Century Class] | 34 | 100 M | John Bishop | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 36 | 100 | Michael Sangster | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 36 | 100 | Michael Sangster | Ecurie Sticky Wicket | 15th |
| 5.7.1958 | LASC Green Acres [S2.7] | 36 | 100 | Michael Sangster | Ecurie Sticky Wicket | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 38 | Special | Dick Hobson | Dick Hobson | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 38 | Special | Dick Hobson | Dick Hobson | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 40 | Sprite | Anton Stica | Antonine Stica | 8th |
| 5.7.1958 | LASC Green Acres [S1.5] | 40 | Sprite | Anton Stica | Antonine Stica | 18th |
| 5.7.1958 | LASC Green Acres [S+2.6] | 41 | 100 M | Stan Ward | Stanley Ward | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 41 | 100 M | Stan Ward | Stanley Ward | 4th |
| 5.7.1958 | LASC Green Acres [S2.7] | 41 | 100 M | Stan Ward | Stanley Ward | 2nd |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 44 | Sprite | Ken Mansell | Shelton-Mansell Motors | 10th |
| 5.7.1958 | LASC Green Acres [S1.5] | 44 | Sprite | Ken Mansell | Shelton-Mansell Motors | 20th |
| 5.7.1958 | LASC Green Acres [S2.7] | 45 | 100 S | Charles Depper | Charles Depper | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 45 | 100 S | Charles Depper | Charles Depper | 10th |
| 5.7.1958 | LASC Green Acres [Century Class] | 45 | 100 S | Charles Depper | Charles Depper | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 46 | Sprite | Bob Wakeman | Jimmie Hughes | DNA |
| 5.7.1958 | LASC Green Acres [S1.5] | 48 | Sprite | Reg Britton | Reginald Britton | 24th |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 53 | 100 M | Robert O'Brien | Bob O'Brien | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 59 | Sprite | Bryan Rowntree | Bryan Rowntree | 7th |
| 5.7.1958 | LASC Green Acres [S1.5] | 59 | Sprite | Bryan Rowntree | Bryan Rowntree | 17th |
| 5.7.1958 | LASC Green Acres [Trophy] | 66 | 100-6 | Ralph Durbin | R. L. Durbin | 6th |
| 5.7.1958 | LASC Green Acres [S+2.6] | 66 | 100-6 | Ralph Durbin | R. L. Durbin | 8th |
| 5.7.1958 | LASC Green Acres [S2.7] | 66 | 100-6 | Ralph Durbin | R. L. Durbin | 1st |
| 5.7.1958 | LASC Green Acres [Century Class] | 66 | 100-6 | Ralph Durbin | R. L. Durbin | 1st |
| 5.7.1958 | LASC Green Acres [Century Class] | 67 | 100-6 | Marcel Dupont | Marcel Dupont | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 67 | 100-6 | Marcel Dupont | Marcel Dupont | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 67 | 100-6 | Marcel Dupont | Marcel Dupont | DNA |
| 5.7.1958 | LASC Green Acres [Century Class] | 68 | 100-6 | Ed Lawrence | Edwin P. Lawrence | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 68 | 100-6 | Ed Lawrence | Edwin P. Lawrence | 11th |
| 5.7.1958 | LASC Green Acres [S2.7] | 68 | 100-6 | Ed Lawrence | Edwin P. Lawrence | 7th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 72 | 100 | John Holmes | | 10th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 73 | 100 M | Fred Moore | | 7th |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 85 | 100-6 | William Kinchloe | William Kincheloe | DNA |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 86 | 100 | Bob Hathaway | | 12th |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 86 | | Brett Morehouse | Brett Morehouse | DNA |
| 5.7.1958 | LASC Green Acres [S+2.6] | 93 | 100-6 | D. Baxter | | 13th |
| 5.7.1958 | LASC Green Acres [S1.5] | 102 | Sprite | Cecil Bovaird | | 16th |
| 5.7.1958 | LASC Green Acres [Century Class] | 106 | 100 M | Dave Hennessey | | 3rd |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 112 | 100-6 | John Colgate | | 9th |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 127 | 100-6 | Gus Ehrman | | 8th |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 130 | 100 M | Ronnie Berryman | Ron Berryman | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 133 | 100 M | Dick Newhall | Dick Newhall | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 144 | 100 M | George Snively | George Snively | DNA |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 145 | 100 M | Bob Thomas | | DNF |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 164 | Sprite | William Heath | William Heath | DNA |
| 5.7.1958 | Preliminary Vaca Valley [TR+Morgan+AH+Veloce+Super] | 178 | 100 M | Wallace Thomas | Gale Rocks | DNA |
| 5.7.1958 | Novice Vaca Valley [Production +1.6] | 213 | | Dick Chance | Richard Chance | DNA |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 247 | 100-6 | Fred Spross | | DNF |
| 5.7.1958 | Novice Hammond [S1.6] | | Sprite | Elliott Evans | | 5th |
| 5.7.1958 | Novice Hammond [S1.6] | | Sprite | | | ?th |
| 5.7.1958 | Novice Hammond [S1.6] | | Sprite | | | ?th |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 6 | 100 S | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 6 | 100 S | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 22 | Sprite | Arnold Burman | A. S. Burman | 2nd |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 34 | 100 S | W. A. Thompson | W. A. Thompson | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 34 | 100 S | W. A. Thompson | W. A. Thompson | DNF |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 35 | 100 M | Julian Sutton | J. Sutton | 5th |
| 6.7.1958 | Preliminary Vaca Valley [Ladies+Sedan+FIII+MG-T] | 46 | Sprite | Jim Hughes | Jimmie Hughes | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 46 | Sprite | Jim Hughes | Jim Hughes | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 46 | Sprite | Robert O'Brien | James Hughes | DNA |
| 6.7.1958 | BMRC Charterhall [Production Handicap] | 53 | 100 S | Jimmy Blumer | J. H. Lawson | 1st |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 53 | 100 S | Brian McAdam | J. H. Lawson | 6th |
| 6.7.1958 | SCCA Regional Vaca Valley [FM+GM+HM] | 82 | Sprite | Roger Mace | Mace-Newland | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 144 | | George Snively | George Snively | DNA |
| 6.7.1958 | Hammond [DP+EP+FP] | | | Dr. Harris | | 4th |
| 6.7.1958 | Preliminary Minneapolis [Novice] | | | George Jensen | George Jensen | 2nd |
| 6.7.1958 | Hammond [Production 1.6+MGA+HM] | | Sprite | Elliott Evans | | ?th |
| 6.7.1958 | Hammond [Production 1.5+TR3+HM] | | Sprite | Elliott Evans | | 5th |
| 6.7.1958 | Hammond [Main] | | | Harris | | 9th |