| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 4 | 500 | Alan Brindle | Alan Brindle | DNA |
| 11.10.1958 | LCCC Oulton Park [S1.5] | 8 | T39 | Tony Hegbourne | Tony Hegbourne | DNA |
| 11.10.1958 | LCCC Oulton Park [Sports] | 8 | T39 | Tony Hegbourne | Tony Hegbourne | DNS |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 8 | T39 | Tony Hegbourne | Tony Hegbourne | DNS |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 39 | T45 | Tony Marsh | Tony Marsh | 1st |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 61 | T45 | George Nixon | Nixon's Garage Ltd. | 8th |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 86 | | Bry Williams | Bry? Williams | DNA |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 94 | T39 | Val Gardner | Val Gardner | DNA |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 100 | 500 | John Barnett | John Barnett, Jr. | DNA |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 125 | T45 | Jimmy Stuart | James Stuart | 2nd |
| 12.10.1958 | Riverside [GM+HM+GP+HP] | 43 | | Jock Ross | Jock Ross | 1st |
| 12.10.1958 | USAC Riverside | 49 | T39 | Bob Drake | Top Equipment Co. | 10th |
| 12.10.1958 | USAC Riverside | 122 | | Tom Meehan | Team Empire | DNF |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 97 | 500 Mark XI | Mike Wood | | 7th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 114 | 500 | Paul Richard | | 2nd |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 119 | 500 | Jim Haynes | | 4th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | 150 | 500 | John Anderegg | | raced |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | Richard Hagy | | 10th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | George Alderman | | 9th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | John Briggs | | 8th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | Harry Whitney | | 5th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | Jacques DuPont | | 3rd |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | Lex duPont | | 6th |
| 25.10.1958 | Preliminary Minden [FM+GM+HM] | | | Ron Ellico | | 3rd |
| 26.10.1958 | Minden [BM+CM+DM+EM] | 27 | T39 | Harry Banta | | DNF |
| 26.10.1958 | Minden [S1.5] | 27 | T39 | Harry Banta | | 3rd |
| 26.10.1958 | Minden [BM+CM+DM+EM] | 221 | | John McLoughlin | | 5th |
| 26.10.1958 | Minden [S1.5] | 221 | | Ron Ellico | | 2nd |
| 1.11.1958 | Preliminary Palm Springs [CM+DM+EM+FM+GM+HM] | 7 | | Pete Brock | Pete Brock | DNA |
| 1.11.1958 | Preliminary Palm Springs [Ladies+FIII] | 501 | 500 | Harry Morrow | Harry Morrow | ?th |
| 1.11.1958 | Preliminary Palm Springs [Ladies+FIII] | 512 | 500 | Jack Brink | Jack Brink | ?th |
| 2.11.1958 | SCCA National Palm Springs [CM+DM+EM+FM+GM+HM] | 7 | | Pete Brock | Pete Brock | DNF |
| 2.11.1958 | Palm Springs [Ladies+Sedan+FIII] | 501 | 500 | Harry Morrow | Harry Morrow | ?th |
| 2.11.1958 | Palm Springs [Ladies+Sedan+FIII] | 512 | 500 | Jack Brink | Jack Brink | ?th |
| 8.11.1958 | Preliminary Laguna Seca [FM+GM+HM] | 238 | | Chuck Howard | | 3rd |
| 9.11.1958 | SCCA Regional Laguna Seca [EM+FM] | 122 | | Tom Meehan | Thomas Meehan | 9th |
| 9.11.1958 | SCCA Regional Laguna Seca [EM+FM] | 238 | | Chuck Howard | | 3rd |
| 9.11.1958 | SCCA Regional Laguna Seca [EM+FM] | | T39 | Harry Banta | | DNF |
| 9.11.1958 | SCCA Regional Laguna Seca [Ladies] | | | Mary Davis | Bob Drake | DNA |
| 9.11.1958 | SCCA Regional Laguna Seca [EM+FM] | | | Mary Davis | Bob Drake | DNA |
| 9.11.1958 | SCCA Regional Laguna Seca [GM+HM] | | | Brock | | 13th |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 27 | 500 | Robert Kahmer | | 1st |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 27 | 500 | Robert Kahmer | | DNF |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 73 | 500 | Fred Moore | | DNF |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 75 | 500 | Lex duPont | | 1st |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 88 | 500 Mark II | Albert N. Luther | | 14th |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 91 | 500 | J. H. Lyles | | 4th |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 173 | 500 | Richard Hagy | | DNF |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 173 | 500 | Richard Hagy | | 2nd |
| 16.11.1958 | SCCA Regional Marlboro [EP+FP+GP+HP+HM+FIII] | 177 | 500 Mark XI | Mike Wood | | 2nd |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 177 | 500 Mark XI | Mike Wood | | 3rd |
| 22.11.1958 | 6 h Pomona | | | Brock / Conklin | | 24th |
| 22.11.1958 | 6 h Pomona | | | Biehl / Ross | | DNF |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | 24 | | Ed Barker | T. R. Corazza | DNF |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | | | Brock | | DNF |
| 23.11.1958 | Pomona [EM+FM+GM+HM] | | T39 | John Haggerty | | DNF |
| 7.12.1958 | Nassau Trophy | 20 | | Chandler Lawrence | | DNA |
| 26.12.1958 | BRSCC Brands Hatch [S1.1 Junior] | 36 | T39 | Brian Spicer | B. P. Spicer | 6th |
| 26.12.1958 | BRSCC Brands Hatch [R/S +1.2] | 40 | | George Wicken | G. Wicken | 2nd |
| 26.12.1958 | BRSCC Brands Hatch [R/S +1.2] | 41 | | John Campbell-Jones | J. Campbell-Jones | 3rd |
| 26.12.1958 | BRSCC Brands Hatch [R/S +1.2] | 42 | | Dickie Stoop | Dickie Stoop | 4th |