| 29.3.1958 | BARC Mallory Park [S1.1 A] | 17 | | Keith Greene | S. G. Greene | 3rd |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 17 | | Keith Greene | S. G. Greene | 3rd |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 19 | | Tom Dickson | Tommy Dickson | 1st |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 19 | | Tom Dickson | Tommy Dickson | 2nd |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 20 | | Donald Mathieson | D. B. Mathieson | 6th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 21 | | David Brough | D. J. Brough | 4th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 22 | | John Campbell-Jones | John Campbell-Jones | 6th |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 22 | | John Campbell-Jones | John Campbell-Jones | 4th |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 24 | | Gordon Jones | Gordon Jones | 2nd |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 24 | | Gordon Jones | Gordon Jones | 5th |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 29 | | Mike Taylor | Michael Taylor | 2nd |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 31 | | Don Iszatt | D. Iszatt | 4th |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 32 | | Peter Arundell | Peter Arundell | 1st |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 32 | | Peter Arundell | Peter Arundell | 1st |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 33 | | Barry Harpin | B. Harpin | 3rd |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 33 | | Barry Harpin | B. Harpin | 3rd |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 34 | | F. Massey-Dawson | F. Massey-Dawson | 5th |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 35 | | Lewis Bramley | Lewis Bramley | 6th |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 35 | | Lewis Bramley | Lewis Bramley | DNF |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 36 | | Jim Mackay | Jimmy Mackay | 6th |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 37 | | Colin Escott | Colin Escott | 2nd |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 37 | | Colin Escott | Colin Escott | 4th |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 52 | | Mike Dickens | M. Dickens | 5th |
| 29.3.1958 | BARC Mallory Park [S+1.1] | 52 | | Mike Dickens | M. Dickens | 1st |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | | | David Brough | D. J. Brough | DNF |
| 30.3.1958 | SCC-BC Abbotsford [Main] | 11 | | Harry Cross | | 2nd |
| 30.3.1958 | SCC-BC Abbotsford [Race 3] | 11 | | Harry Cross | | 1st |
| 30.3.1958 | SCC-BC Abbotsford [Race 3] | 129 | #217 | Pat Pigott | | 2nd |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | 63 | | John Mitchell | | 10th |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | 70 | | Stuart Dodd | C. S. Dodd | DNA |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | 80 | #268 | Peter Anders | | 8th |
| 5.4.1958 | BRSCC Full Sutton [SR/R] | 85 | | Jimmy Steele | | 4th |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | 85 | | Jimmy Steele | | 5th |
| 5.4.1958 | BRSCC Full Sutton [Formula Libre] | 85 | | Jimmy Blumer | | 2nd |
| 5.4.1958 | BRSCC Full Sutton [SR/R] | 90 | | Bill Allen | | 2nd |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | 90 | | Bill Allen | | 3rd |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | | | John Higham | | raced |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | | | John Burgess | | raced |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | | | Harpin | | DNF |
| 7.4.1958 | National Brands Hatch [S1.1] | 13 | | Don Iszatt | D. Iszatt | raced |
| 7.4.1958 | National Brands Hatch [S1.1] | 32 | | Alan Stacey | Alan Stacey | 1st |
| 7.4.1958 | National Brands Hatch [S1.1] | 36 | | Fred Warnell | F. Warnell | raced |
| 7.4.1958 | National Brands Hatch [S1.1] | 39 | #330 | Dick Prior | Richard Prior | raced |
| 7.4.1958 | National Brands Hatch [S1.1] | 43 | | Len Gibbs | Len Gibbs | 5th |
| 7.4.1958 | Goodwood [S1.1] | | | Keith Greene | | raced |
| 7.4.1958 | Goodwood [S1.1] | | | Gordon Fowell | | raced |
| 7.4.1958 | Goodwood [S1.1] | | | Ron Flockhart | | raced |
| 7.4.1958 | Goodwood [S1.1] | | | Innes Ireland | | 5th |
| 7.4.1958 | Goodwood [S1.1] | | | Roy Salvadori | | 3rd |
| 7.4.1958 | Goodwood [S1.1] | | | Keith Hall | | 4th |
| 7.4.1958 | Goodwood [S1.1] | | | Peter Ashdown | | raced |
| 7.4.1958 | Goodwood [S1.1] | | | John Campbell-Jones | | 1st |
| 7.4.1958 | Goodwood [S1.1] | | | Tom Dickson | | 2nd |
| 12.4.1958 | British Empire Trophy | 1 | | John Fisher | John Fisher | DNQ |
| 12.4.1958 | British Empire Trophy | 2 | #510 | Keith Greene | Gilby Engineering | 8th |
| 12.4.1958 | British Empire Trophy | 4 | #347 | Alan Stacey | Team Lotus | DNF |
| 12.4.1958 | British Empire Trophy | 5 | #349 | Peter Ashdown | Team Lotus | DNS |
| 12.4.1958 | British Empire Trophy | 6 | #345 | Keith Hall | Team Lotus | DNF |
| 12.4.1958 | British Empire Trophy | 7 | #506 | Mike Taylor | Innes Ireland Ltd. | 10th |
| 12.4.1958 | British Empire Trophy | 8 | #502 | Jack Westcott | Innes Ireland Ltd. | DNQ |
| 12.4.1958 | British Empire Trophy | 9 | #328? | Innes Ireland | Major R. C. Robinson | DNQ |
| 12.4.1958 | British Empire Trophy | 10 | #508 | Ron Flockhart | John Coombs Racing Organisation | DNF |
| 12.4.1958 | British Empire Trophy | 11 | #177 | Len Gibbs | Len Gibbs | DNQ |
| 12.4.1958 | British Empire Trophy | 12 | #313 | F. W. Aikens | J. G. Slater | DNQ |
| 12.4.1958 | British Empire Trophy | 14 | #340 | Peter Riley | Peter Riley | DNQ |
| 12.4.1958 | British Empire Trophy | 15 | #157? | Alex McMillan | Alex McMillan | DNQ |
| 12.4.1958 | British Empire Trophy | 16 | #290 | Jimmy Blumer | John A. Harris | DNQ |
| 12.4.1958 | British Empire Trophy | 17 | #311 | John Campbell-Jones | Dan Margulies | DNQ |
| 12.4.1958 | British Empire Trophy | 18 | | David Piper | David R. Piper | DNQ |
| 12.4.1958 | British Empire Trophy | 26 | #317 | Tom Dickson | Tom Dickson | DNQ |
| 12.4.1958 | British Empire Trophy | 28 | #321 | Henry Taylor | John V. Green | DNQ |
| 12.4.1958 | British Empire Trophy | 29 | #330 | Dick Prior | R. N. Prior | DNQ |
| 12.4.1958 | British Empire Trophy | 31 | #170 | Stuart Dodd | C. S. Dodds | DNQ |
| 12.4.1958 | Grand Central [1820 Settlers] | 32 | | Denis Davis | | raced |
| 12.4.1958 | Grand Central [Sports] | 32 | | Denis Davis | | ?th |
| 12.4.1958 | British Empire Trophy | 32 | #316 | Douglas Graham | Innes Ireland Ltd. | DNQ |
| 12.4.1958 | British Empire Trophy | 33 | #325 | Gil Baird | Kieft Sports Car Co. Ltd. | DNQ |
| 12.4.1958 | British Empire Trophy | 44 | #307 | | J. M. Trimble | DNS |
| 12.4.1958 | British Empire Trophy | 47 | #178 | John Higham | Ecurie White Rose | DNQ |
| 12.4.1958 | British Empire Trophy | 49 | | Bill Frost | Car Exchange | DNA |
| 12.4.1958 | British Empire Trophy | 51 | #319 | Mike Dickens | Team Sapphire | DNQ |
| 12.4.1958 | British Empire Trophy | 52 | #269 | Geoff Williamson | G. H. Williamson | DNQ |
| 12.4.1958 | British Empire Trophy | 53 | #168 | Peter Arundell | Peter J. Arundell | DNA |
| 12.4.1958 | British Empire Trophy | 57 | #328 | Gordon Jones | E. Payne | 6th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 27 | | Skip Conklin | Skip Conklin | 20th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 39 | | James Lowe | James Rowland Lowe | 12th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 44 | | Frank Monise | Frank Monise | 7th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 55 | | Pete Lovely | Sam Weiss | 4th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 102 | | Jack Nethercutt | Jack Nethercutt | 8th |
| 13.4.1958 | SCCA Regional Palm Springs [FM+GM+HM] | 166 | #322=>332 | Jim Hall | Carroll Shelby | 5th |
| 13.4.1958 | Coupes de Vitesse [GT] | | | Jean Thépenier | | 5th |
| 13.4.1958 | Coupes de Vitesse [S2.0] | | | Jean-Claude Vidilles | | 5th |
| 13.4.1958 | Coupes de Vitesse [S2.0] | | | Bill Frost | | 6th |
| 19.4.1958 | Aintree 200 [S1.1] | 35 | | Keith Hall | Team Lotus | 1st |
| 19.4.1958 | Aintree 200 [S1.1] | 39 | #506 | Mike Taylor | Innes Ireland Ltd. | 5th |
| 19.4.1958 | Aintree 200 [S1.1] | 43 | | Jimmy Blumer | Car Exchange (Brighton) Ltd. | 6th |
| 19.4.1958 | Aintree 200 [S1.1] | 44 | | Tom Dickson | Cranham Service Station | 2nd |
| 19.4.1958 | Aintree 200 [S1.1] | 49 | #321 | Henry Taylor | JV 'John' Green | 4th |
| 19.4.1958 | Aintree 200 [S+1.1] | 91 | | Tony Marsh | Max Trimble | DNF |
| 19.4.1958 | Aintree 200 [S+1.1] | 92 | | Mike Dickens | Team Sapphire | DNA |