| 7.9.1958 | 500 mile Road America | 2 | #323 | Wyllie / Wyllie | | DNF |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 9 | | John Campbell-Jones | John Campbell-Jones | 3rd |
| 7.9.1958 | Scott-Brown Memorial Snetterton [Elva+Lotus 1.1] | 18 | | Keith Ralphs | K. Ralphs | 16th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [Elva+Lotus 1.1] | 19 | | Peter Arundell | Peter Arundell | DNA |
| 7.9.1958 | Scott-Brown Memorial Snetterton [Elva+Lotus 1.1] | 20 | | R. J. Fletcher | R. Fletcher | DNA |
| 7.9.1958 | Scott-Brown Memorial Snetterton [Elva+Lotus 1.1] | 21 | | John Romanes | John Romanes | DNA |
| 7.9.1958 | Scott-Brown Memorial Snetterton [Elva+Lotus 1.1] | 22 | | Mike McKee | I. Ireland | DNA |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 24 | #330 | Dick Prior | Dick Prior | 2nd |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 39 | | David Piper | David Piper | 4th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S1.1] | 40 | | Innes Ireland | R. C. Robinson | 1st |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S+1.1] | 64 | #203 | A. J. Korczynski | A. Korczynski | 11th |
| 7.9.1958 | 500 mile Road America | 68 | | Bill Bowman | | 24th |
| 7.9.1958 | 500 mile Road America | 81 | | Kilburn / Ross | | DNF |
| 13.9.1958 | Tourist Trophy | 26 | #307 | Shale / Dalton | M. Trimble | DNF |
| 13.9.1958 | Tourist Trophy | 27 | #302 | Frost / Stoop | Car Exchange Racing Team | 13th |
| 13.9.1958 | Tourist Trophy | 41 | #347 | Stacey / Hall | Team Lotus | 17th |
| 13.9.1958 | Tourist Trophy | 42 | #349 | Ashdown / Jones | Team Lotus | 7th |
| 13.9.1958 | Tourist Trophy | 46 | #510 | Taylor / Greene | Gilby Engineering Co. | 10th |
| 13.9.1958 | Tourist Trophy | 47 | #502 | Westcott / Arundell | Innes Ireland Ltd. | 15th |
| 13.9.1958 | Tourist Trophy | 48 | #329 | Graham / Martyn | Innes Ireland Ltd. | 18th |
| 13.9.1958 | Tourist Trophy | 50 | #321 | Taylor / Green | J. V. Green | 11th |
| 13.9.1958 | Tourist Trophy | 52 | #325 | Blumer / Dodd | Jimmy Blumer | 21st |
| 13.9.1958 | Tourist Trophy | 53 | | Fisher / Leston | John Fisher | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 2 | #323 | M. R. J. Wyllie | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 19 | #275 | Charles Moran | | 13th |
| 14.9.1958 | Preliminary Bridgehampton [Modified] | 19 | #275 | Charles Moran | | 7th |
| 14.9.1958 | SCCA Regional Bridgehampton [Modified] | 19 | #275 | Charles Moran | | 9th |
| 14.9.1958 | SCCA Regional Bridgehampton [Modified] | 21 | | Warren Rohlfs | | 8th |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 21 | | Warren Rohlfs | | DNF |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 22 | | Todd Aikens | | DNA |
| 14.9.1958 | SCCA Regional Bridgehampton [Modified] | 22 | | Peter Baumberger | | DNF |
| 14.9.1958 | Preliminary Bridgehampton [Modified] | 22 | | Peter Baumberger | | 9th |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 99 | | Tom Newcomer | | DNA |
| 19.9.1958 | Preliminary Watkins Glen [Ladies] | 2 | #323 | Margaret Wyllie | M. R. J. Wyllie | 1st |
| 20.9.1958 | Oulton Park International [S+1.1] | 1 | #328 | Gordon Jones | Gordon Jones | ?th |
| 20.9.1958 | GP Watkins Glen | 2 | #323 | M. R. J. Wyllie | M. R. J. Wyllie | 11th |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 2 | #323 | M. R. J. Wyllie | M. R. J. Wyllie | DNF |
| 20.9.1958 | Oulton Park International [S1.1] | 56 | #173 | Lionel Mayman | Kay Garages | DNA |
| 20.9.1958 | Oulton Park International [S1.1] | 59 | #349 | Peter Ashdown | Team Lotus | 5th |
| 20.9.1958 | Oulton Park International [S1.1] | 60 | #347 | Alan Stacey | Team Lotus | 1st |
| 20.9.1958 | Oulton Park International [S+1.1] | 66 | #341 | Malcolm Templeton | Malcolm Templeton | ?th |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 67 | | Floyd Aaskov | Louis C. Bartol | 4th |
| 20.9.1958 | Oulton Park International [S+1.1] | 68 | #307 | David Shale | M. Trimble | DNA |
| 20.9.1958 | Oulton Park International [S+1.1] | 69 | #178 | John Higham | Ecurie White Rose | DNA |
| 20.9.1958 | Oulton Park International [S1.1] | 70 | #348 | John Burgess | Ecurie White Rose | DNA |
| 20.9.1958 | Oulton Park International [S1.1] | 72 | #325 | Jimmy Blumer | Jimmy Blumer | raced |
| 20.9.1958 | Oulton Park International [S1.1] | 79 | #170 | Stuart Dodd | Chronicle Motors Ltd. | DNA |
| 20.9.1958 | Oulton Park International [S1.1] | 80 | #346 | Derek Randall | Derek Randall | DNA |
| 20.9.1958 | Oulton Park International [S1.1] | 82 | #316 | Douglas Graham | Innes Ireland Ltd. | raced |
| 20.9.1958 | Oulton Park International [S1.1] | 83 | #522 | Peter Heath | Innes Ireland Ltd. | DNA |
| 20.9.1958 | Oulton Park International [S1.1] | 84 | #329 | Christopher Martyn | Innes Ireland Ltd. | 8th |
| 20.9.1958 | Oulton Park International [S1.1] | 85 | #502 | Jack Westcott | Innes Ireland Ltd. | ?th |
| 20.9.1958 | Oulton Park International [S1.1] | 86 | #338 | Innes Ireland | R. C. Robinson | 2nd |
| 20.9.1958 | Oulton Park International [S1.1] | 88 | #337 | Colin Escott | Colin Escott | 3rd |
| 20.9.1958 | Oulton Park International [S1.1] | 90 | #311? | John Campbell-Jones | John Campbell-Jones | DNA |
| 20.9.1958 | Oulton Park International [S1.1] | 91 | #510 | Keith Greene | Gilby Engineering Co. Ltd. | raced |
| 20.9.1958 | Oulton Park International [S1.1] | 92 | | David Piper | David Piper | DNF |
| 20.9.1958 | Oulton Park International [S1.1] | 93 | #321? | Tim Parnell | R. H. H. Parnell | DNF |
| 20.9.1958 | Oulton Park International [S1.1] | 94 | #168 | Peter Arundell | Cranham Service Station | DNA |
| 20.9.1958 | Oulton Park International [S1.1] | 95 | | Les Leston | J. Fisher | 6th |
| 21.9.1958 | GP Berlin | 40 | | John Campbell-Jones | John Campbell-Jones | 11th |
| 21.9.1958 | Tour de France | 131 | #291=>169 | Leston / Houel | | DNF |
| 21.9.1958 | Del Mar [Novice] | | #263 | Don Maslin | | 1st |
| 21.9.1958 | Coupes d'Automne | | | Bob Hicks | | 2nd |
| 21.9.1958 | Del Mar [Modified] | | #263 | Don Maslin | | 3rd |
| 21.9.1958 | Coupes d'Automne | | | S. Rousseau | | 8th |
| 21.9.1958 | Coupes d'Automne | | | Jacques Lefebvre | | 5th |
| 21.9.1958 | Tour de France | | | | | DNF |
| 21.9.1958 | Tour de France | | | Hicks / Rousseau | | DNF |
| 27.9.1958 | BARC Goodwood | 10 | #346 | | | raced |
| 27.9.1958 | BRSCC Full Sutton [Formula Libre] | | | Stuart Dodd | | 3rd |
| 27.9.1958 | BRSCC Full Sutton [Sports] | | #316 | Douglas Graham | | 3rd |
| 28.9.1958 | WJC Charterhall [Racing] | 12 | | Jimmy Blumer | J. H. Lawson | DNA |
| 28.9.1958 | WJC Charterhall [S1.5] | 12 | | Jimmy Blumer | J. H. Lawson | raced |
| 28.9.1958 | WJC Charterhall [Racing] | 15 | | Lewis Bramley | L. Bramley | raced |
| 28.9.1958 | WJC Charterhall [S1.5] | 15 | | Lewis Bramley | L. Bramley | 5th |
| 28.9.1958 | WJC Charterhall [Racing] | 16 | | John Romanes | J. L. Romanes | DNA |
| 28.9.1958 | WJC Charterhall [S1.5] | 16 | | John Romanes | J. L. Romanes | DNA |
| 28.9.1958 | WJC Charterhall [S1.5] | 17 | | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 28.9.1958 | WJC Charterhall [Racing] | 17 | | Ronnie McCutcheon | R. D. McCutcheon | DNA |
| 28.9.1958 | WJC Charterhall [S1.5] | 18 | | Gordon Crozier | G. L. Crozier | DNF |
| 28.9.1958 | WJC Charterhall [Racing] | 18 | | Gordon Crozier | G. L. Crozier | raced |
| 28.9.1958 | WJC Charterhall [Racing] | 19 | | Malcolm Templeton | M. Templeton | 5th |
| 28.9.1958 | WJC Charterhall [S1.5] | 19 | | Malcolm Templeton | M. Templeton | 3rd |
| 28.9.1958 | WJC Charterhall [S1.5] | 20 | | Francis Francis | F. Francis | raced |
| 28.9.1958 | WJC Charterhall [Racing] | 20 | | Francis Francis | F. Francis | DNA |
| 28.9.1958 | WJC Charterhall [Racing] | 22 | | Keith Hall | J. K. Hall | 4th |
| 28.9.1958 | WJC Charterhall [S1.5] | 22 | | Keith Hall | J. K. Hall | raced |
| 28.9.1958 | WJC Charterhall [S1.5] | 24 | | Jim Mackay | Dickson Motors | 2nd |
| 28.9.1958 | WJC Charterhall [Racing] | 24 | | Jim Mackay | Dickson Motors | raced |
| 28.9.1958 | WJC Charterhall [S1.5] | 34 | | A. J. Korczynski | A. J. Korczynski | DNA |
| 28.9.1958 | WJC Charterhall [Racing] | 34 | | A. J. Korczynski | A. J. Korczynski | DNA |
| 28.9.1958 | WJC Charterhall [S1.5] | 66 | | Innes Ireland | R. C. Robinson | 1st |
| 28.9.1958 | WJC Charterhall [S1.5] | 67 | #316 | Douglas Graham | I. Ireland | raced |
| 28.9.1958 | WJC Charterhall [Racing] | 67 | #316 | Douglas Graham | I. Ireland | DNA |
| 28.9.1958 | WJC Charterhall [Racing] | 75 | | Stuart Dodd | S. Dodd | DNA |
| 28.9.1958 | WJC Charterhall [S1.5] | 75 | | Stuart Dodd | S. Dodd | raced |
| 28.9.1958 | WJC Charterhall [Racing] | 79 | | Colin Escott | C. Escott | DNA |
| 28.9.1958 | WJC Charterhall [S1.5] | 79 | | Robin Smith | C. Escott | 4th |
| 28.9.1958 | ICNSCC Ellensburg [Modified] | 126 | | Pat Pigott | | 1st |