| 27.4.1958 | SCCA Regional Lime Rock [BM+BP+CP+UR+FIII] | 0 | | P. Dermott | | 18th |
| 27.4.1958 | SCCA Regional Lime Rock [BM+BP+CP+UR+FIII] | 19 | | Jim Haynes | | 3rd |
| 27.4.1958 | SCCA Regional Lime Rock [BM+BP+CP+UR+FIII] | 69 | | James Stevens | | DNF |
| 27.4.1958 | SCCA Regional Lime Rock [BM+BP+CP+UR+FIII] | 114 | | Paul Richards | | 5th |
| 27.4.1958 | SCCA Regional Lime Rock [BM+BP+CP+UR+FIII] | 153 | | Lex duPont | | 9th |
| 27.4.1958 | SCCA Regional Lime Rock [BM+BP+CP+UR+FIII] | 174 | | George Alderman | | 19th |
| 27.4.1958 | SCCA Regional Lime Rock [BM+BP+CP+UR+FIII] | 711 | | John Briggs | | DNF |
| 27.4.1958 | SCCA Regional Louisville [MGA+GP+HM+Sedan] | | | Gene Cates | | 3rd |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 85 | | Leon Becker | Dr. Leon Becker | DNA |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 98 | | Bob Korst | Bob Korst | 2nd |
| 31.5.1958 | SCCA National Bridgehampton [BP+CP+UR+FIII] | 17 | | James Stevens | | 8th |
| 31.5.1958 | SCCA National Bridgehampton [BP+CP+UR+FIII] | 19 | | Jim Haynes | | 5th |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 23 | | Derek Phillips | Derek Phillips | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 41 | | Don Truman | Martin Winn Ltd. | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 107 | | Scott Bloor | Scott Bloor | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 109 | | Norman Bradley | Norman Bradley | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 119 | | F. F. Clarke | F. F. Clarke | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 120 | | Reg Spreckley | Reg Spreckley | ?th |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 121 | | Teddie Dawson | Reg Spreckley | DNA |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 122 | | Jack Lewis | Jack Lewis | ?th |
| 7.6.1958 | LCCC Oulton Park [FL/F3] | 123 | | Geoff Gartside | Geoff Gartside | DNA |
| 8.6.1958 | SCCA Regional Thompson [UR+FIII] | 19 | | Jim Haynes | | DNA |
| 8.6.1958 | SCCA Regional Thompson [UR+FIII] | 24 | | James Stevens | | 5th |
| 8.6.1958 | SCCA Regional Thompson [UR+FIII] | 75 | | Lex duPont | | DNA |
| 8.6.1958 | SCCA Regional Thompson [UR+FIII] | 114 | | Paul Richards | | 2nd |
| 8.6.1958 | SCCA Regional Thompson [UR+FIII] | 176 | | Harry Whitney | | DNA |
| 8.6.1958 | SCCA Regional Thompson [UR+FIII] | 711 | | John Briggs | | DNA |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 222 | | Tom Meehan | | ?th |
| 15.6.1958 | SCCA Regional Laguna Seca [Ladies+FIII] | 222 | | Tom Meehan | | ?th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 512 | | Jack Brink | | ?th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 524 | | Rolf Roth | | ?th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 530 | | Bob Wenz | | ?th |
| 15.6.1958 | SCCA Regional Laguna Seca [FM+GM+FIII] | 551 | | John Fox | | ?th |
| 15.6.1958 | SCCA Regional Laguna Seca [Ladies+FIII] | | | Rolf Roth | | ?th |
| 27.6.1958 | SCCA Regional Watkins Glen [DP+EP+HM+FIII] | 177 | | Mike Wood | Mike Wood | DNF |
| 29.6.1958 | WJC Charterhall [Racing] | 1 | | Gordon Chippindale | G. F. Chippindale | DNA |
| 29.6.1958 | WJC Charterhall [Racing] | 3 | | J. F. R. Verel | J. F. R. Verel | ?th |
| 29.6.1958 | WJC Charterhall [Racing] | 4 | | Reg Spreckley | R. T. Spreckley | ?th |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 2 | | Guy Wilson | T. G. F. Wilson | raced |
| 6.7.1958 | BMRC Charterhall [Racing Handicap] | 29 | | M. Graham | M. Graham | raced |
| 12.7.1958 | BRSCC Full Sutton [SR/R] | 18 | | P. Proctor | | 11th |
| 19.7.1958 | Berwick [Open] | 76 | | Harry Whitney | | 3rd |
| 19.7.1958 | BEMC Harewood Acres [Formula Libre] | | | Bill Brunt | Ecurie Volante | 3rd |
| 26.7.1958 | MCMC Oulton Park [Formula Libre] | 83 | | Scott Bloor | Scott Bloor | DNA |
| 3.8.1958 | Preliminary Minden [Ladies+FIII+MG+Novice] | 218 | | Bob Korst | Bob Korst | DNA |
| 3.8.1958 | Preliminary Minden [Ladies+FIII+MG+Novice] | 515 | | Bob Wenz | Robert Wenz | DNA |
| 16.8.1958 | Harewood Acres [SR] | 69 | | Bill Brunt | Bill Brunt, Jr. | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 69 | | Bill Brunt | Bill Brunt, Jr. | DNA |
| 30.8.1958 | NSCC Silverstone [Formula Libre Heat 2] | 3 | | John Barnett | J. Barnett | DNA |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 19 | | Jim Haynes | James E. Haynes | 7th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 75 | | Jacques DuPont | | 5th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 77 | | Mike Wood | Mike Wood | DNA |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 77 | | Mike Wood | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 87 | | John Gadwa | John W. Gadwa | 12th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 88 | | Albert N. Luther | Albert N. Luther | DNA |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 114 | | Paul Richards | Paul Richards | 6th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 150 | | John Anderegg | | 10th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 163 | | Robert Kahmer | | 8th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 169 | | W. R. Brunt, Jr. | W. R. Brunt, Jr. | DNA |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 174 | | George Alderman | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 180 | | Richard Cornman | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 180 | | Richard Cornman | Richard W. Cornman | DNA |
| 21.9.1958 | LISCA Lime Rock [CM+BP+CP] | | | | | raced |
| 28.9.1958 | WJC Charterhall [Racing] | 9 | | Gordon Chippindale | G. F. Chippindale | DNA |
| 28.9.1958 | Hourglass Field [Ladies+FIII] | | | Ken Nichols | | ?th |
| 28.9.1958 | Hourglass Field [Ladies+FIII] | | | Jack Brink | | ?th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 19 | | Jim Haynes | James Haynes | 7th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 73 | | Richard Hagy | C. Richard Hagy | 9th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 75 | | Jacques DuPont | | 14th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 76 | | Harry Whitney | | DNF |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 77 | | Mike Wood | | 10th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 114 | | Paul Richards | | 12th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 150 | | John Anderegg | | 11th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 500 | | James Stevens | | DNF |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 4 | | Alan Brindle | Alan Brindle | DNA |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 100 | | John Barnett | John Barnett, Jr. | DNA |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 97 | | Mike Wood | | 7th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 114 | | Paul Richard | | 2nd |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 119 | | Jim Haynes | | 4th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 150 | | John Anderegg | | raced |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | | Jacques DuPont | | 3rd |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | | George Alderman | | 9th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | | John Briggs | | 8th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | | Richard Hagy | | 10th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | | Harry Whitney | | 5th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | | Lex duPont | | 6th |
| 1.11.1958 | Preliminary Palm Springs [Ladies+FIII] | 501 | | Harry Morrow | Harry Morrow | ?th |
| 1.11.1958 | Preliminary Palm Springs [Ladies+FIII] | 512 | | Jack Brink | Jack Brink | ?th |
| 2.11.1958 | Palm Springs [Ladies+Sedan+FIII] | 501 | | Harry Morrow | Harry Morrow | ?th |
| 2.11.1958 | Palm Springs [Ladies+Sedan+FIII] | 512 | | Jack Brink | Jack Brink | ?th |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 27 | | Robert Kahmer | | DNF |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 27 | | Robert Kahmer | | 1st |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 73 | | Fred Moore | | DNF |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 75 | | Lex duPont | | 1st |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 88 | | Albert N. Luther | | 14th |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 91 | | J. H. Lyles | | 4th |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 173 | | Richard Hagy | | 2nd |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 173 | | Richard Hagy | | DNF |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 177 | | Mike Wood | | 2nd |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 177 | | Mike Wood | | 3rd |