| 1.6.1958 | GP Dunkirk | 9 | | Chuck Stoddard | | 12th |
| 1.6.1958 | SCCA National Bridgehampton [GP+HP+HM] | 19 | | David Knott | | 6th |
| 1.6.1958 | SCCA Regional La Junta [FM+GM+HM+EP+FP+GP] | 80 | | Ron Hunter | | 20th |
| 1.6.1958 | GP Dunkirk | 82 | | Barry Budlong | | 13th |
| 7.6.1958 | Put-In-Bay [GP+HP] | 33 | | Norris Hartshorn | | DNA |
| 7.6.1958 | Put-In-Bay [GP+HP] | 92 | | Bill Malion | | DNA |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 12 | | Ted Baumgartner | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 12 | | Ted Baumgartner | | ?th |
| 8.6.1958 | SCCA Regional Eagle Mountain [race 7] | 14 | | Ken Kendall | | raced |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 31 | | Lee Hall | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 31 | | Lee Hall | | ?th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 35 | | Jeffrey Hsu | | 4th |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 70 | | Ken Long | | DNA |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 74 | | Marilyn Taylor | | ?th |
| 8.6.1958 | SCCA Regional Lawrenceville [FP+GP+HM] | 74 | | Marilyn Taylor | | ?th |
| 8.6.1958 | Preliminary Lawrenceville [FP+GP+HM] | 84 | | George Cheyne | | 4th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 114 | | Bob Lyons | | 27th |
| 15.6.1958 | SCCA Regional Laguna Seca [FP+GP] | 147 | | Robert Phillips | | 21st |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 1 | | Chuck Stoddard | Charles Stoddard | DNA |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 2 | | Robert Bowers | Robert Bowers | DNA |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 11 | | H. J. Holcombe | H. J. Holcombe | 20th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 25 | | Brooks Robinson | Brooks Robinson | 7th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 46 | | Joel Jacobs | Joel Jacobs | DNA |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 66 | | H. M. Tardif | Dr. H. M. Tardif | 13th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 71 | | George Ranney | George E. Ranney | 15th |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 78 | | Clif Bridge | Al Allin | DNF |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 99 | | Tom Newcomer | E. Tom Newcomer | 29th |
| 27.6.1958 | SCCA Regional Watkins Glen [FP+GP+Sedan] | 171 | | Dennis Collins | Dennis G. Collins | DNA |
| 28.6.1958 | Preliminary Riverside [Novice] | 194 | | James Crank | | 3rd |
| 29.6.1958 | Riverside [FP+GP] | 194 | | James Crank | | 6th |
| 4.7.1958 | Orange County [S1.5] | | | Hanis Travers | | 3rd |
| 4.7.1958 | Orange County [Production 1.6] | | | John Cooper | | 2nd |
| 4.7.1958 | Orange County [Production 1.6] | | | Hanis Travers | | 1st |
| 5.7.1958 | LASC Green Acres [S1.5] | 105 | | Joe Diamond | | 7th |
| 5.7.1958 | Preliminary Vaca Valley [Alfa+MGA+356] | 114 | | Bob Lyons | Bob Lyons | DNA |
| 5.7.1958 | Novice Vaca Valley [Production 1.6] | 161 | | Tom Handley | Tom Handley | DNA |
| 5.7.1958 | 12 h Reims | | | Ubezzi / Catulle | | ?th |
| 6.7.1958 | SCCA Regional Vaca Valley [FP+GP+HP] | 114 | | Bob Lyons | Bob Lyons | DNA |
| 13.7.1958 | Traverse City [Main] | | | Al Allin | | ?th |
| 13.7.1958 | Traverse City [small cars] | | | Joe Diamond | | 2nd |
| 19.7.1958 | Berwick [GP+HP] | | | | | raced |
| 19.7.1958 | Berwick [GP+HP] | | | | | raced |
| 20.7.1958 | SCCA Regional Thompson [GP] | 37 | | Ken Long | | raced |
| 20.7.1958 | SCCA Regional Thompson [GP] | 40 | | Ray Bloomer | | raced |
| 20.7.1958 | SCCA Regional Thompson [GP] | 116 | | | | raced |
| 20.7.1958 | SCCA Regional Thompson [GP] | 171 | | Dennis Collins | | raced |
| 26.7.1958 | MCMC Oulton Park [S1.35] | 36 | | H. D. Ellis | H. D. Ellis | DNS |
| 26.7.1958 | MCMC Oulton Park [Closed] | 36 | | H. D. Ellis | H. D. Ellis | DNA |
| 26.7.1958 | MCMC Oulton Park [Closed] | 39 | | E. P. Foden | Peter Foden | 4th |
| 27.7.1958 | Trophée d'Auvergne | 34 | | Georges Burggraff | | DNA |
| 27.7.1958 | Trophée d'Auvergne | 36 | | Estager / Ubezzi | | DNA |
| 27.7.1958 | Trophée d'Auvergne | 46 | | Raoul Martin | | 15th |
| 27.7.1958 | Trophée d'Auvergne | 108 | | Bouscary / Auriacombe | | DNA |
| 27.7.1958 | Trophée d'Auvergne | 112 | | Michel Parrain | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 67 | | Clifford Jensen | | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 67 | | Clifford Jensen | | DNA |
| 3.8.1958 | Rheinland Nürburgring [GT1.3] | 86 | | Warren King | | 9th |
| 3.8.1958 | SCCA Regional Shelton [PS1.5] | 111 | | Jim Greenfield | | DNA |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 111 | | Jim Greenfield | | DNA |
| 3.8.1958 | Preliminary Minden [MGA+AH+Super+Veloce] | 148 | | Steve Froines | Steve Froines | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 149 | | Jerry Lewis | Richard Feder | DNA |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 24 | | Norris Hartshorn | | 16th |
| 16.8.1958 | Harewood Acres [Le Mans] | 50 | | Ernst Scheeder | Ernst W. Scheeder | DNA |
| 16.8.1958 | SCCA National Milwaukee [FP+GP+HM] | 71 | | Paul Leland | | 12th |
| 16.8.1958 | Harewood Acres [FP+GP+MG] | 81 | | Harold Gendelman | Harold Gendelman | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 81 | | Harold Gendelman | Harold Gendelman | DNA |
| 16.8.1958 | Harewood Acres [Le Mans] | 98 | | Joe Diamond | J. P. Diamond | DNA |
| 16.8.1958 | Harewood Acres [FP+GP+MG] | 98 | | Joe Diamond | J. P. Diamond | DNA |
| 23.8.1958 | LASC Green Acres [S1.6] | 33 | | William Bradley | William E. Bradley | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 33 | | William Bradley | William E. Bradley | DNA |
| 1.9.1958 | St. Eugene [Formula Libre] | | | Alvin Morrison | | 3rd |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 3 | | Ready Davis | | DNS |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 4 | | Santo Irlandi | | 19th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 8 | | Jim Kaser | | DNF |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 15 | | Bob Lyon | | 12th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 21 | | Ron Hunter | | 34th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 91 | | Robert McNeal | | 25th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 98 | | Andy Rosenberger | | 20th |
| 7.9.1958 | GP Leopoldville | 11 | | Eddy Schmidt | | 6th |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 7 | | Ed Mowle | | 4th |
| 13.9.1958 | Preliminary Bridgehampton [GP+HP+HM] | 27 | | W. Riley | | 10th |
| 13.9.1958 | Harewood Acres [PS1.5] | | | Ernst Scheeder | | 2nd |
| 14.9.1958 | Preliminary Bridgehampton [Handicap] | 7 | | Ed Mowle | | 5th |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 21 | | Ron Hunter | | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FP+GP] | 39 | | Jim Fitzgerald | James J. Fitzgerald | DNA |
| 21.9.1958 | Tour de France | 28 | | Hébert / Consten | | ?th |
| 21.9.1958 | Tour de France | 41 | | Thépenier / Cicoira | | raced |
| 21.9.1958 | Del Mar [FP+GP+HP] | | | Don Burrows | | 3rd |
| 21.9.1958 | Tour de France | | | Ravan / Limousin | | raced |
| 21.9.1958 | Tour de France | | | "Fantomas" / Lancelotti | | ?th |
| 21.9.1958 | Tour de France | | | Tavola / Marini | | raced |
| 5.10.1958 | Eifelrennen Nürburgring | | | | | ?th |
| 11.10.1958 | LCCC Oulton Park [S2.0 EX] | 51 | | E. P. Foden | Peter Foden | 5th |
| 12.10.1958 | Riverside [GM+HM+GP+HP] | 15 | | John English | John English | 9th |
| 12.10.1958 | SCCA Regional Wilmot [GP+HM] | 15 | | Bob Lyon | | 1st |
| 12.10.1958 | Riverside [GM+HM+GP+HP] | 33 | | Chuck Nelson | Chuck Nelson | 12th |
| 12.10.1958 | SCCA Regional Wilmot [GP+HM] | 81 | | Lee Hall | | 2nd |
| 18.10.1958 | Preliminary Lime Rock [GT] | 19 | | David Knott | | ?th |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | | | | | raced |
| 19.10.1958 | SCCA Regional Lime Rock [GP] | | | | | raced |