| 26.5.1958 | NSCC Mallory Park [S1.5] | 23 | Mk II | Tom Shaddick | Brimotors | DNA |
| 26.5.1958 | Autosport Mallory Park [PS1.6] | 33 | Courier | Tom Barnard | T. Barnard | DNA |
| 26.5.1958 | Autosport Mallory Park [PS1.6] | 34 | Courier | Pat Fergusson | J. P. Fergusson | DNA |
| 26.5.1958 | Autosport Mallory Park [PS1.6] | 41 | Courier | Peter Gammon | P. D. Gammon | DNA |
| 26.5.1958 | NSCC Mallory Park [S1.5] | 70 | Mk III | Bernard Cox | Cox & Co. | raced |
| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 6 | Mk III | Robert Wearn | | 5th |
| 31.5.1958 | Novice Dunkirk [CM+EM+GM+HM+BP+CP+DP] | 78 | Mk II | Donald Peters | | 1st |
| 31.5.1958 | SCCA National Bridgehampton [FM+GM] | 162 | Mk II | Allen Doe | | 11th |
| 31.5.1958 | LASC Green Acres [S/GT1.6] | | Mk III | William Bradley | | 1st |
| 1.6.1958 | SCCA Regional Dunkirk [Ladies] | 6 | Mk II | Suzy Dietrich | | 1st |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 6 | Mk III | Chuck Dietrich | | 1st |
| 1.6.1958 | GP Dunkirk | 6 | Mk III | Wearn / Dietrich | | 8th |
| 1.6.1958 | GP Dunkirk | 57 | Mk II | Charles Kurtz | | 3rd |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 57 | Mk II | Charles Kurtz | | 2nd |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 78 | Mk II | Millard Ripley | | DNF |
| 1.6.1958 | GP Dunkirk | 171 | Mk II | Hubert McPhail | | 7th |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 171 | Mk II | Hubert McPhail | | 5th |
| 1.6.1958 | La Junta [Ladies] | | Mk II | Grace Harris | Bill Ong | DNS |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | | | | | DNA |
| 7.6.1958 | LCCC Oulton Park [S2.7/S+2.7] | 27 | Mk III | Bernard Cox | Bernard Cox | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 27 | Mk III | Bernard Cox | Bernard Cox | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 27 | Mk III | Bernard Cox | Bernard Cox | 3rd |
| 7.6.1958 | LCCC Oulton Park [S2.0 EX] | 28 | Mk I B | Bernard Cox | Bernard Cox | 2nd |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 36 | Mk III | Burdette Martin | | DNA |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 58 | Mk III | William Bradley | | DNA |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 96 | Mk III | Chuck Dietrich | | DNA |
| 7.6.1958 | LCCC Oulton Park [S1.5] | 124 | | Ken Simmons | Ken Simmons | DNA |
| 7.6.1958 | LCCC Oulton Park [Handicap B] | 124 | | Ken Simmons | Ken Simmons | DNA |
| 8.6.1958 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+GM] | 3 | Mk III | Skip Lange | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [BM+CM+DM+EM+FM+GM] | 3 | Mk III | Skip Lange | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+GM] | 75 | Mk I | Alan Ross | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [BM+CM+DM+EM+FM+GM] | 86 | Mk II | Frank Campbell | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [BM+CM+DM+EM+FM+GM] | 86 | Mk II | Frank Campbell | | ?th |
| 8.6.1958 | 3 h Rouen | | Mk III | Eugene Hall | | 9th |
| 8.6.1958 | BRSCC Brands Hatch [S1.1] | | | Robbie MacKenzie-Low | | 2nd |
| 14.6.1958 | SCCA National Lime Rock [FM+GM] | 35 | Mk III | Frank Baptista | | 5th |
| 22.6.1958 | SCCA National Road America [BM+CM+DM+BP] | 1 | | Frank Beich | Frank R. Beich | DNA |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 3 | Mk III | Skip Lange | Skip Lange | DNF |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 16 | SR | Bill Tannhaeuser | Wm. Tannhaeuser | DNA |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 24 | Mk III | Carl Haas | Carl A. Haas | 8th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 35 | Mk III | Frank Baptista | Walter Dickson | DNF |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 49 | Mk III | Mike Ward | Mike Ward, Jr. | DNA |
| 22.6.1958 | 24 h Le Mans | 55 | Mk II | | Elva | DNA |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 57 | Mk II | Charles Kurtz | Chas. T. Kurtz | 15th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 75 | Mk I | Alan Ross | Allan M. Ross | 12th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 77 | | William Jordan | W. R. Jordan | 6th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 86 | Mk II | Frank Campbell | Frank Campbell | 10th |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 92 | Mk III | William Bradley | Wm. E. Bradley | DNF |
| 22.6.1958 | SCCA National Road America [EM+FM+GM] | 96 | Mk III | Chuck Dietrich | | 3rd |
| 26.6.1958 | Preliminary Watkins Glen [Ladies] | 96 | Mk II | Suzy Dietrich | Suzy Dietrich | 1st |
| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 96 | Mk II | Chuck Dietrich | | 4th |
| 27.6.1958 | SCCA Regional Watkins Glen [BM+CM+DM+EM+FM+GM] | 178 | Mk II | Millard Ripley | | 5th |
| 29.6.1958 | WJC Charterhall [S1.5] | 26 | | P. H. Howarth | P. H. Howarth | DNA |
| 29.6.1958 | St. Eugene [S+1.6] | | Mk I | Norm Namerow | | DNA |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 35 | Mk III | Frank Baptista | | DNF |
| 5.7.1958 | National Open Crystal Palace | 57 | Mk III | Mike McKee | M. B. McKee | DNA |
| 5.7.1958 | SCCA National Lime Rock [DP+GM] | 57 | Mk II | Charles Kurtz | | 3rd |
| 5.7.1958 | National Open Crystal Palace [GT] | 73 | Courier | Peter Gammon | | 2nd |
| 5.7.1958 | LASC Green Acres [Trophy] | 92 | Mk III | William Bradley | William E. Bradley | 12th |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 92 | Mk III | William Bradley | William E. Bradley | 6th |
| 5.7.1958 | LASC Green Acres [S1.5] | 92 | Mk III | William Bradley | William E. Bradley | 3rd |
| 5.7.1958 | LASC Green Acres [S+2.6] | 92 | Mk III | William Bradley | William E. Bradley | 5th |
| 5.7.1958 | LASC Green Acres [S1.5] | 171 | Mk II | Hubert McPhail | Hubert D. McPhail | 2nd |
| 12.7.1958 | BRSCC Full Sutton [SR1.5] | 30 | Mk III | Bernard Cox | | 4th |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 30 | Mk III | Bernard Cox | | 7th |
| 12.7.1958 | BRSCC Full Sutton [SR] | 33 | Mk II | Malcolm Wayne | | 11th |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 33 | Mk II | Malcolm Wayne | | 12th |
| 13.7.1958 | Traverse City [S1.5] | | Mk III | William Bradley | | 4th |
| 13.7.1958 | Traverse City [S1.5] | | Mk II | Chuck Dietrich | | DNF |
| 19.7.1958 | GP Silverstone | 1 | | Robbie MacKenzie-Low | Elva Racing Team | DNF |
| 19.7.1958 | GP Silverstone | 2 | | Ian Raby | Elva Racing Team | DNF |
| 19.7.1958 | GP Silverstone | 3 | Mk III | John Brown | Elva Racing Team | 16th |
| 19.7.1958 | Berwick [Novice] | 60 | Mk II | Alfred Zantzinger | | 1st |
| 19.7.1958 | Berwick [Open] | 97 | Mk II | Millard Ripley | | 1st |
| 19.7.1958 | Berwick [GM+HM] | 97 | Mk II | Albert Foster | | 1st |
| 26.7.1958 | MCMC Oulton Park [Sports] | 33 | Mk III | Bernard Cox | Bernard Cox | 7th |
| 26.7.1958 | MCMC Oulton Park [S1.35] | 33 | Mk III | Bernard Cox | Bernard Cox | 5th |
| 26.7.1958 | MCMC Oulton Park [S1.5] | 33 | Mk III | Bernard Cox | Bernard Cox | 2nd |
| 26.7.1958 | MCMC Oulton Park [Formula Libre] | 33 | Mk III | Bernard Cox | Bernard Cox | 3rd |
| 26.7.1958 | MCMC Oulton Park [S1.35] | 46 | Mk II | Don Hill | Don Hill | DNA |
| 26.7.1958 | MCMC Oulton Park [S750+Ford] | 46 | Mk II | Don Hill | Don Hill | DNA |
| 26.7.1958 | MCMC Oulton Park [S1.5] | 60 | Mk I | Alf Osbiston | J. P. Mabon | DNA |
| 4.8.1958 | NSCC Mallory Park [S1.5] | 27 | Mk III | Bernard Cox | Cox & Co. (Manchester) Ltd. | 5th |
| 4.8.1958 | NSCC Mallory Park [S1.5] | 36 | Mk II | Tom Shaddick | Brimotors | DNA |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | 63 | Courier | Pat Fergusson | J. P. Ferguson | DNA |
| 4.8.1958 | BRSCC Brands Hatch [S1.1] | 65 | Mk III Hume | Chris Bristow | Bradstock Motors | 4th |
| 4.8.1958 | BRSCC Brands Hatch [S1.1] | 66 | | Robbie MacKenzie-Low | Elva Racing Team | DNF |
| 4.8.1958 | Autosport Mallory Park [PS1.6] | 66 | Courier | Peter Gammon | P. D. Gammon | DNA |
| 4.8.1958 | BRSCC Brands Hatch [S1.1] | 68 | Mk III | John Brown | Elva Racing Team | DNF |
| 4.8.1958 | BRSCC Brands Hatch [S1.1] | 70 | Mk III | John Muirhead | Elva Racing Team | DNQ |
| 4.8.1958 | BRSCC Brands Hatch [S1.1] | 71 | Mk II | Tom Shaddick | Brimotors Ltd. | DNQ |
| 4.8.1958 | BRSCC Brands Hatch [S1.5] | 71 | Mk II | Tom Shaddick | Brimotors | 6th |
| 4.8.1958 | BRSCC Brands Hatch [S1.1] | 72 | Mk III | Mike McKee | Mike McKee | DNQ |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 26 | Mk III | Carl Haas | | 10th |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 75 | Mk I | Alan Ross | | DNF |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 88 | Mk I | Bill Tannhaeuser | | DNF |
| 16.8.1958 | Harewood Acres [SR] | 171 | Mk II | Hubert McPhail | H. D. McPhail | DNF |
| 16.8.1958 | Harewood Acres [Le Mans] | 171 | Mk II | Hubert McPhail | H. D. McPhail | DNS |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 186 | Mk II | Frank Campbell | | 8th |
| 16.8.1958 | Harewood Acres [SR] | | Mk II | Chuck Dietrich | | 1st |