| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 6 | 100 S | Ted Evans | B. L. Carlaw | DNA |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 6 | 100-6 | Chuck Parsons | | 8th |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 22 | Sprite | Arnold Burman | A. S. Burman | raced |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 34 | 100 S | W. A. Thompson | W. A. Thompson | DNA |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 35 | 100 M | Julian Sutton | J. Sutton | ?th |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 53 | 100 S | Jimmy Blumer | J. H. Lawson | 1st |
| 6.7.1958 | BMRC Charterhall [BMRC Trophy Handicap] | 53 | 100 S | Brian McAdam | J. H. Lawson | raced |
| 6.7.1958 | BMRC Charterhall [Sports Handicap] | 53 | 100 S | Brian McAdam | J. H. Lawson | 1st |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 53 | 100 M | Jim Hughes | Bob O'Brien | 12th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 82 | Sprite | Roger Mace | Mace-Newland | 24th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 85 | 100-6 | William Kinchloe | W. P. Kincheloe | 7th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 96 | 100 M | Brett Morehouse | Brett Morehouse | 18th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 130 | 100 M | Ronnie Berryman | Ron Berryman | 11th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 133 | 100 M | Dick Newhall | Dick Newhall | 15th |
| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 178 | 100 M | Wallace Thomas | Gale Rocks | 17th |
| 6.7.1958 | Hawaii [Novice] | | | Norman Gedge | | 3rd |
| 12.7.1958 | BRSCC Full Sutton [GT] | 48 | Sprite | J. G. Allison | | 13th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 54 | 100 | I. Banks | | 12th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 60 | 100 S | A. G. Kellett | | 5th |
| 12.7.1958 | BRSCC Full Sutton [SR] | 64 | 100 S | Ted Evans | | 12th |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 64 | 100 S | Ted Evans | | 13th |
| 12.7.1958 | BRSCC Full Sutton [GT] | 67 | 100 S | V. G. D. Ropner | | 8th |
| 12.7.1958 | Leinster Trophy | | Sprite | John Anstice Brown | | 1st |
| 12.7.1958 | Preliminary Traverse City [Novice +1.5] | | 100-6 | Mike Stellingworth | | 2nd |
| 13.7.1958 | Traverse City [DP+EP+Veloce] | | 100-6 | Ralph Durbin | | 1st |
| 13.7.1958 | Traverse City [Main] | | 100-6 | Ralph Durbin | | raced |
| 13.7.1958 | Traverse City [small cars] | | Sprite | | | ?th |
| 19.7.1958 | Berwick [Open] | 47 | 100 S | Jonathan Wainwright | | raced |
| 19.7.1958 | Berwick [Open] | 50 | Special | Richard Matthews | | 2nd |
| 19.7.1958 | Berwick [DP+EP] | 90 | 100 | Bud Faust | | 3rd |
| 19.7.1958 | BEMC Harewood Acres [Formula Libre] | | Sprite | Bryan Rowntree | Bryan C. Rowntree | ?th |
| 19.7.1958 | BEMC Harewood Acres [Modified 1.5] | | Sprite | Bryan Rowntree | Bryan Rowntree | ?th |
| 19.7.1958 | BEMC Harewood Acres [Modified 1.5] | | Sprite | Dick Shelton | Shelton Mansell Motors | ?th |
| 19.7.1958 | BEMC Harewood Acres [Century Class] | | 100 M | Dave Hennessey | Dave Hennessey | 2nd |
| 19.7.1958 | BEMC Harewood Acres [Century Class] | | 100 M | Stan Ward | Stanley Ward | 3rd |
| 19.7.1958 | BEMC Harewood Acres [Production 1.5] | | Sprite | Bryan Rowntree | Bryan Rowntree | ?th |
| 19.7.1958 | BEMC Harewood Acres [Production 3.0] | | | Stan Ward | Stanley E. Ward | 2nd |
| 19.7.1958 | BEMC Harewood Acres [Production 3.0] | | | Dave Hennessey | Dave Hennessey | 3rd |
| 19.7.1958 | BEMC Harewood Acres [Production 3.0] | | 100-6 | Dick Ecklund | Ecurie Pip | ?th |
| 19.7.1958 | BEMC Harewood Acres [Production 1.5] | | Sprite | Alice Fergusson | Cec Bovaird | ?th |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 2 | 100 M | Robert Shirey | | raced |
| 20.7.1958 | SCCA Regional Thompson [Production] | 2 | 100 M | Robert Shirey | | raced |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 14 | 100-6 | Vin Sardi | | 2nd |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 65 | 100 | Norris Crosby | | 5th |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 99 | 100-6 | Robert C. Davidson | | raced |
| 20.7.1958 | SCCA Regional Thompson [Production] | 99 | 100-6 | Robert C. Davidson | | raced |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 114 | 100 | Jim Bell | | raced |
| 27.7.1958 | Snetterton | | 100 S | A. G. Kellett | | ?th |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 22 | 100-6 | Patrick Obert | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 32 | 100 | Joan Goodridge | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S+1.5] | 32 | 100 | Joan Goodridge | | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 53 | 100 M | Robert O'Brien | Robert C. O'Brien | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 53 | 100 M | Robert O'Brien | Robert O'Brien | 17th |
| 3.8.1958 | SCCA Regional Shelton [S+1.5] | 60 | 100 | John Nissen | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 66 | 100 | John Nissen | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 73 | 100 M | James Johnson | | DNA |
| 3.8.1958 | SCCA Regional Minden [FP+GP+HP] | 82 | Sprite | Roger Mace | Roger Mace | 11th |
| 3.8.1958 | Novice Minden [FP+GP+HP] | 82 | Sprite | Ron Ferreira | Roger Mace | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 85 | 100-6 MM | William Kinchloe | Wm. Kincheloe | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 85 | 100-6 MM | Al Brizard | Wm. Kincheloe | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 86 | 100 M | Brett Morehouse | Brett Morehouse | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 86 | 100 M | Brett Morehouse | Brett Morehouse | 12th |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 118 | 100-6 | Tom Pillette | | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 133 | 100 M | Dick Newhall | Richard G. Newhall | 14th |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 133 | 100 M | Dick Newhall | Richard G. Newhall | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 178 | 100 | Wallace Thomas | Wallace E. Thomas | 15th |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 178 | 100 | Wallace Thomas | Wallace E. Thomas | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 206 | 100-6 | Chuck Parsons | Charles W. Parsons | 11th |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 206 | 100 | Chuck Parsons | Charles W. Parsons | ?th |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 210 | 100 M | Dick Chance | Richard V. Chance | 16th |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 220 | 100 S | Jerry Adams | Gerald Adams | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 221 | 100 | Donald Pontes | H. D. Pontes | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 227 | 100-6 MM | Gordon Burgess | Gordon A. Burgess | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 249 | | Jack McAdams | Jack McAdams | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 408 | 100 | T. A. Rees | | DNA |
| 3.8.1958 | Preliminary Minden [Ladies+FIII+MG+Novice] | | 100 M | Prudence Baxter | | 3rd |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 23 | 100 S | Jimmy Blumer | J. Blumer | DNA |
| 4.8.1958 | NSCC Mallory Park [Formula Libre] | 23 | 100 S | Jimmy Blumer | J. Blumer | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 69 | 100 | W. A. Bemrose | W. A. W. Bemrose | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 69 | 100 | W. A. Bemrose | W. A. W. Bemrose | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 72 | 100 S | C. Hanson | Team Triple 'S' | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 72 | 100 S | C. Hanson | Team Triple 'S' | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 73 | 100 S | A. G. Kellett | Team Triple 'S' | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 73 | 100 S | A. G. Kellett | Team Triple 'S' | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 79 | 100 S | Dick Protheroe | County Motors | DNA |
| 4.8.1958 | NSCC Mallory Park [S+1.5] | 79 | 100 S | Dick Protheroe | County Motors | DNA |
| 4.8.1958 | Autosport Brands Hatch [Production] | 112 | 100 S | Percy Crabb | Chequered Flag | 4th |
| 10.8.1958 | Kanonloppet [GT2.0] | 20 | Sprite | Carl-Erik Zaine | | 14th |
| 16.8.1958 | Harewood Acres [Le Mans] | 5 | Sprite | Dick Shelton | Shelton-Mansell Motors | raced |
| 16.8.1958 | Harewood Acres [Le Mans] | 6 | Sprite | Ken Mansell | Shelton-Mansell Motors | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 10 | 100-6 MM | Dick Uckland | Ecurie Pip | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 11 | Sprite | Milton Schaefer | Ecurie Pip | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 14 | 100-6 | Mackenzie deB. Strathy | Mackenzie deB. Strathy | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 23 | 100 | Bill Cunningham | William Cunningham | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 40 | 100 | Dave Hennessey | C. D. Hennessey | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 45 | Sprite | Morawski / Dobie | Ecurie Sans Sous | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 64 | Sprite | Cecil Bovaird | Jim Ferguson Motors | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 93 | 100 S | Tracey Wilson | T. Wilson | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 97 | 100-6 | John Cook | J. Cook | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | | Sprite | Earl Uhr | | raced |