| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 43 | | Jock Ross | | 19th |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 49 | T39 | Bob Drake | | 4th |
| 31.8.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM+UR] | 52 | | Hugh Grammer | Hugh Grammer | DNA |
| 31.8.1958 | Preliminary Mansfield [FM+GM+HM+FIII] | 52 | | Hugh Grammer | Hugh Grammer | DNA |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 138 | | Chuck Howard | | 3rd |
| 31.8.1958 | Preliminary Thompson [FM+GM] | 161 | 1100 | Paul Bleustein | Paul Bleustein | 4th |
| 31.8.1958 | Deer Park [CM+DM+EM] | | | Tom Meehan | | DNF |
| 31.8.1958 | Deer Park [FM+GM+HM] | | | Tom Meehan | | 1st |
| 1.9.1958 | SCCA National Thompson [GM+HM+GP+HP] | 161 | 1100 | Paul Richards | Paul Bleustein | 3rd |
| 6.9.1958 | Sunbac Silverstone [Hadicap 2] | | T45 | Jimmy Stuart | | raced |
| 6.9.1958 | Sunbac Silverstone [Formula Libre Handicap] | | T45 | Jimmy Stuart | | 3rd |
| 6.9.1958 | Sunbac Silverstone [Hadicap 1] | | T38 | Peter Mould | | DNS |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 31 | T39 | Averil Scott-Moncrieff | Mrs. Avril Scott Moncreiff | 19th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 32 | T39 | Godfrey Lambert | Godfrey Lambert | DNF |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 33 | T39 | M. Kaye | Jim Russell School | DNA |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 34 | T39 | G. Smith | J. Russell School | 14th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 35 | T39 | R. York | Jim Russell School | 15th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 37 | T39 | Brian Spicer | B. Spicer | DNA |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S+1.1] | 57 | T38 | Peter Mould | Peter Mould | DNA |
| 14.9.1958 | Circuito di Salerno | | | Savenier | | 3rd |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 19 | 500 Mark II | Jim Haynes | James E. Haynes | 7th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 75 | 500 | Jacques DuPont | | 5th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 77 | 500 Mark XI | Mike Wood | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 77 | 500 Mark XI | Mike Wood | Mike Wood | DNA |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 87 | 500 Mark XI | John Gadwa | John W. Gadwa | 12th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 88 | 500 Mark II | Albert N. Luther | Albert N. Luther | DNA |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 114 | 500 | Paul Richards | Paul Richards | 6th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 150 | 500 | John Anderegg | | 10th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 163 | 500 | Robert Kahmer | | 8th |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 169 | 500 Mark VIII | W. R. Brunt, Jr. | W. R. Brunt, Jr. | DNA |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 174 | 500 | George Alderman | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 180 | 500 Mark V | Richard Cornman | | DNF |
| 20.9.1958 | Preliminary Watkins Glen [UR+FIII] | 180 | 500 Mark V | Richard Cornman | Richard W. Cornman | DNA |
| 20.9.1958 | Taça Cidade de Luanda | | | Rui Marinho de Lemos | | raced |
| 21.9.1958 | GP Berlin | 1 | T45 | Tony Marsh | Tony Marsh | 10th |
| 21.9.1958 | GP Berlin | 2 | T45 | Bruce McLaren | Tommy Atkins | raced |
| 21.9.1958 | GP Berlin | 3 | T43 | Ian Burgess | Tommy Atkins | raced |
| 21.9.1958 | GP Berlin | 6 | T45 | Jack Brabham | Jack Brabham | 7th |
| 21.9.1958 | GP Berlin | 8 | T45 | Jim Russell | Jim Russell | 6th |
| 21.9.1958 | GP Berlin | 10 | T43 | George Wicken | George Wicken | raced |
| 21.9.1958 | GP Berlin | 11 | T45 | Harry Zweifel | Scuderia Glarona | DNA |
| 21.9.1958 | GP Berlin | 12 | T45 | Mike Taylor | Alan Brown Equipe | 9th |
| 21.9.1958 | Preliminary Galveston [BP+CP+DP+EP+GM] | | | Hugh Grammer | | 6th |
| 21.9.1958 | LISCA Lime Rock [CM+BP+CP] | | 500 | | | raced |
| 28.9.1958 | WJC Charterhall [Racing] | 9 | 500 | Gordon Chippindale | G. F. Chippindale | DNA |
| 28.9.1958 | WJC Charterhall [Racing] | 10 | | Norman Barclay | N. Barclay | 3rd |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 43 | Special | Bill Toews | | DNF |
| 28.9.1958 | Hourglass Field [Ladies+FIII] | | 500 | Ken Nichols | | ?th |
| 28.9.1958 | Hourglass Field [FM+GM+HM] | | | Jock Ross | | ?th |
| 28.9.1958 | Hourglass Field [Ladies+FIII] | | 500 | Jack Brink | | ?th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 19 | 500 | Jim Haynes | James Haynes | 7th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 73 | 500 | Richard Hagy | C. Richard Hagy | 9th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 75 | 500 | Jacques DuPont | | 14th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 76 | 500 | Harry Whitney | | DNF |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 77 | 500 Mark XI | Mike Wood | | 10th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 114 | 500 | Paul Richards | | 12th |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 150 | 500 | John Anderegg | | 11th |
| 5.10.1958 | SCCA National Vaca Valley [BM+CM+DM+EM+FM] | 238 | | Chuck Howard | | 3rd |
| 5.10.1958 | SCCA Regional Thompson [Modified+UR] | 500 | 500 | James Stevens | | DNF |
| 5.10.1958 | Australian TT | | T38 | Phillips | | 3rd |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 4 | 500 | Alan Brindle | Alan Brindle | DNA |
| 11.10.1958 | LCCC Oulton Park [Formula Libre] | 8 | T39 | Tony Hegbourne | Tony Hegbourne | DNS |
| 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 [Sports] | 8 | T39 | Tony Hegbourne | Tony Hegbourne | 6th |
| 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 [1172F/750F] | 94 | T39 | Val Gardner | Val Gardner | 3rd |
| 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 | 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 | Lex duPont | | 6th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | Richard Hagy | | 10th |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | Jacques DuPont | | 3rd |
| 18.10.1958 | SCCA Regional Lime Rock [UR+FIII] | | 500 | George Alderman | | 9th |
| 25.10.1958 | Preliminary Minden [FM+GM+HM] | | | Ron Ellico | | 3rd |
| 26.10.1958 | Minden [S1.5] | 27 | T39 | Harry Banta | | 3rd |
| 26.10.1958 | Minden [BM+CM+DM+EM] | 27 | T39 | Harry Banta | | DNF |
| 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] | | T39 | Harry Banta | | DNF |
| 9.11.1958 | SCCA Regional Laguna Seca [EM+FM] | | | Mary Davis | Bob Drake | DNA |