| 9.2.1958 | Pomona [S1.5] | 117 | Mark VI | Hanford / Hanford | Harry C. Hanford | DNA |
| 15.2.1958 | Preliminary New Smyrna Beach [Novice 1] | | Eleven | | | raced |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 20 | Eleven Le Mans | Bill Bowman | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 20 | Eleven Le Mans | Bill Bowman | | 8th |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 27 | Eleven | Roy Schecter | | DNF |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 27 | Eleven | Roy Schecter | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | | | | | raced |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | | | | | raced |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | | | | | raced |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | | | | | ?th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 2 | Eleven | Todd Aikens | | 11th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 2 | Eleven | Todd Aikens | | 16th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 16 | Eleven | John Miller | | 12th |
| 2.3.1958 | Preliminary Phoenix [Ladies] | 16 | Eleven | Charlotte Duncan | | 1st |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 16 | Eleven | John Miller | | 20th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 86 | Eleven | Bill Heard | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 86 | Eleven | Bill Heard | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 127 | Eleven | Skip Conklin | | 5th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 127 | Eleven | Skip Conklin | | 10th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 144 | Eleven | Frank Monise | | 8th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 144 | Eleven | Frank Monise | | 4th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 151 | Eleven Club | Leon Miller | | 22nd |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 151 | Eleven Club | Leon Miller | | 13th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 166 | Eleven Le Mans | Jim Hall | | DNF |
| 8.3.1958 | Preliminary Boca Raton [Novice] | | Eleven Le Mans | J. J. Packo | | 2nd |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 5 | | H. Obrelz | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 5 | | H. Obrelz | | raced |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 20 | Eleven Le Mans | Bill Bowman | | raced |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 20 | Eleven Le Mans | Bill Bowman | | raced |
| 9.3.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM] | 21 | | Robin Benson | | 12th |
| 9.3.1958 | Preliminary Mansfield [FM+GM+HM] | 21 | Eleven | Robin Benson | | 1st |
| 9.3.1958 | Preliminary Mansfield [FM+GM+HM] | 39 | Mark IX | Woody Boyles | | 6th |
| 9.3.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM] | 39 | Mark IX | Woody Boyles | | 10th |
| 9.3.1958 | Preliminary Boca Raton [CM+DM+EM+FM+GM] | 107 | | J. J. Packo | | 7th |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | 107 | | J. J. Packo | | ?th |
| 9.3.1958 | Preliminary Mansfield [FM+GM+HM] | 121 | Eleven | Bob Aylward | | 2nd |
| 9.3.1958 | SCCA Regional Mansfield [CM+DM+EM+FM+GM] | 121 | Eleven | Bob Aylward | | 5th |
| 9.3.1958 | SCCA Regional Boca Raton [CM+DM+EM+FM+GM+BP+CP+DP] | | Eleven | Roy Schecter | | DNA |
| 22.3.1958 | Preliminary Stockton [Sedan+Ladies+MG+FIII] | 16 | Eleven | Charlotte Duncan | | - |
| 22.3.1958 | 12 h Sebring | 49 | Eleven Le Mans | Moran / Ceresole | Charles Moran, Jr. | 38th |
| 22.3.1958 | 12 h Sebring | 54 | Eleven | Chamberlain / Frost | Team Lotus | 9th |
| 22.3.1958 | 12 h Sebring | 55 | Eleven | Chapman / Allison | Team Lotus | 6th |
| 22.3.1958 | 12 h Sebring | 56 | Eleven | Weiss / Tallaksen | Team Lotus | 4th |
| 22.3.1958 | Preliminary Stockton [Sedan+Ladies+MG+FIII] | | Eleven | Marion Lowe | | - |
| 23.3.1958 | SCCA Regional Stockton [S1.5] | 16 | Eleven | John Miller | | 10th |
| 23.3.1958 | SCCA Regional Stockton [S1.5] | 29 | Eleven Le Mans | Dan Hernandez | | 13th |
| 23.3.1958 | SCCA Regional Stockton [S1.5] | 35 | Eleven Le Mans | John P. Young | | 7th |
| 23.3.1958 | SCCA Regional Stockton [S1.5] | 87 | Eleven Le Mans | Paul Nau | | 5th |
| 23.3.1958 | SCCA Regional Stockton [S1.5] | | Eleven | James Lowe | | DNF |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 17 | Eleven | Keith Greene | S. G. Greene | 3rd |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 17 | Eleven | Keith Greene | S. G. Greene | 3rd |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 18 | Eleven Le Mans | Alex McMillan | Alex McMillan | DNA |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 19 | Eleven Series 2 | Tom Dickson | Tommy Dickson | 2nd |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 19 | Eleven Series 2 | Tom Dickson | Tommy Dickson | 1st |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 20 | Eleven | Donald Mathieson | D. B. Mathieson | 6th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 20 | Eleven | Donald Mathieson | D. B. Mathieson | 9th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 21 | Eleven Le Mans | David Brough | D. J. Brough | 4th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 22 | Eleven | John Campbell-Jones | John Campbell-Jones | 6th |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 22 | Eleven | John Campbell-Jones | John Campbell-Jones | 4th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 23 | Eleven Series 2 | Jimmy Blumer | Jimmy Blumer | 1st |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 24 | Eleven | Gordon Jones | Gordon Jones | 2nd |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 24 | Eleven | Gordon Jones | Gordon Jones | 5th |
| 29.3.1958 | BARC Mallory Park [Handicap B] | 25 | Eleven Le Mans Series 2 | Dick Prior | Dick Prior | 1st |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 25 | Eleven Le Mans Series 2 | Dick Prior | Dick Prior | 7th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 26 | Eleven | Bruno Ferrari | Scuderia Madunina | DNS |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 26 | Eleven | Bruno Ferrari | Scuderia Madunina | DNS |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 27 | Eleven | Christopher Martyn | Chris Martyn | 10th |
| 29.3.1958 | BARC Mallory Park [Handicap B] | 27 | Eleven | Christopher Martyn | Chris Martyn | 3rd |
| 29.3.1958 | BARC Mallory Park [Handicap B] | 28 | Eleven Le Mans Series 2 | Douglas Graham | Doug Graham | 5th |
| 29.3.1958 | BARC Mallory Park [S1.1 A] | 28 | Eleven Le Mans Series 2 | Douglas Graham | Doug Graham | 8th |
| 29.3.1958 | BARC Mallory Park [Handicap B] | 29 | Eleven | Mike Taylor | Michael Taylor | 2nd |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 29 | Eleven | Mike Taylor | Michael Taylor | 2nd |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 31 | Eleven | Don Iszatt | D. Iszatt | 4th |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 32 | Eleven | Peter Arundell | Peter Arundell | 1st |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 32 | Eleven | Peter Arundell | Peter Arundell | 1st |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 33 | Eleven | Barry Harpin | B. Harpin | 3rd |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 33 | Eleven | Barry Harpin | B. Harpin | 3rd |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 34 | Eleven | F. Massey-Dawson | F. Massey-Dawson | 5th |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 35 | Eleven | Lewis Bramley | Lewis Bramley | 6th |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 35 | Eleven | Lewis Bramley | Lewis Bramley | DNF |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 36 | Eleven | Jim Mackay | Jimmy Mackay | 6th |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 37 | Eleven Series 2 | Colin Escott | Colin Escott | 2nd |
| 29.3.1958 | BARC Mallory Park [S1.1 B] | 37 | Eleven Series 2 | Colin Escott | Colin Escott | 4th |
| 29.3.1958 | BARC Mallory Park [S+1.1] | 51 | Eleven | John Wagstaff | John Wagstaff | DNA |
| 29.3.1958 | BARC Mallory Park [S+1.1] | 52 | Eleven | Mike Dickens | M. Dickens | 1st |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | 52 | Eleven | Mike Dickens | M. Dickens | 5th |
| 29.3.1958 | BARC Mallory Park [S+1.1] | 53 | Eleven | Bob Waters | Bob Waters | DNS |
| 29.3.1958 | BARC Mallory Park [Unlimited B] | 54 | Mark VI | J. Jackson | J. Jackson | 8th |
| 29.3.1958 | BARC Mallory Park [Handicap B] | 82 | Eleven Sport | Bob Staples | Ecurie Gnuts | 6th |
| 29.3.1958 | BARC Mallory Park [Unlimited A] | | Eleven Le Mans | David Brough | D. J. Brough | DNF |
| 30.3.1958 | SCC-BC Abbotsford [Main] | 11 | Eleven Le Mans | Harry Cross | | 2nd |
| 30.3.1958 | SCC-BC Abbotsford [Race 3] | 11 | Eleven Le Mans | Harry Cross | | 1st |
| 30.3.1958 | SCC-BC Abbotsford [Race 3] | 129 | Eleven Le Mans | Pat Pigott | | 2nd |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 29 | Mark VI | D. M. Pownall | | 5th |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 33 | Mark VI | A. R. Darley | A. R. Darley | 7th |
| 5.4.1958 | BRSCC Full Sutton [PS] | 33 | Mark VI | A. R. Darley | A. R. Darley | DNA |
| 5.4.1958 | BRSCC Full Sutton [PS1.5] | 37 | Mark VI | D. H. Crabtree | | 12th |
| 5.4.1958 | BRSCC Full Sutton [SR/R] | 85 | Eleven | Jimmy Steele | | 4th |
| 5.4.1958 | BRSCC Full Sutton [SR/R] | 90 | Eleven | Bill Allen | | 2nd |
| 5.4.1958 | BRSCC Full Sutton [SR1.5/R1.5] | | Eleven | John Higham | | raced |