| 1.3.1958 | Preliminary Phoenix [Novice] | 111 | | Don McGee | | 24th |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 111 | Spider | Don McGee | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 111 | Spider | Don McGee | | DNF |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 3 | 208S | Steve McQueen | Steven McQueen | DNA |
| 20.4.1958 | SCCA National Marlboro [FP+GP+HM] | 172 | | Herb Gussin | | 19th |
| 27.4.1958 | SCCA Regional Lime Rock [GP+HM+Sedan] | 32 | 300BC Spider | Theodore Vergon | | 14th |
| 27.4.1958 | Preliminary Louisville [HM+Sedan] | | | Beasley | | 5th |
| 10.5.1958 | 4 h Relay Harewood Acres | 26P | | Clement Boehler | The Klinkers | 15th |
| 10.5.1958 | 4 h Relay Harewood Acres | 28C | | Don Black | Ecurie Italiano | 23rd |
| 11.5.1958 | Hawaii [Match] | 78A | | Barbara Glover | Barbara Glover | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 78A | | Barbara Glover | Barbara Glover | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 78A | | Barbara Glover | Barbara Glover | DNA |
| 18.5.1958 | SCCA National Cumberland [GM+HM] | 16 | Special | Jan Mueller | Jan C. Mueller | DNA |
| 18.5.1958 | SCCA National Cumberland [GM+HM] | 160 | Spider | Harold S. Gish | Harold S. Gish | DNA |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 22 | 300BC Spider | Al Beasley | | 10th |
| 1.6.1958 | GP Dunkirk | 22 | 300BC Spider | Al Beasley | | 20th |
| 1.6.1958 | GP Dunkirk | 128 | 300BC Spider | Dick Brown | | 17th |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 128 | 300BC Spider | Dick Brown | | 7th |
| 1.6.1958 | GP Dunkirk | 155 | 300BC Spider | Clement Boehler | | 19th |
| 1.6.1958 | SCCA Regional Dunkirk [FM+GM+HM] | 155 | 300BC Spider | Clement Boehler | | 9th |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 1 | 300BC Spider | Al Beasley | | DNA |
| 7.6.1958 | Put-In-Bay [GM+HM+IP] | 2 | 300BC Spider | Dick Brown | | DNA |
| 8.6.1958 | SCCA Regional Thompson [FP+GP+HM+Sedan] | 32 | Spider | Theodore Vergon | | DNA |
| 8.6.1958 | SCCA Regional Thompson [BM+CM+EM+FM] | 124 | 200S | Felix Bosshard | | DNA |
| 22.6.1958 | SCCA National Road America [FP+GP+HP+HM] | 33 | 300BC Spider | Al Beasley | Al Beasley | 25th |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 26 | | Bob Keslin | Bob Keslin | DNA |
| 5.7.1958 | LASC Green Acres [S2.7] | 26 | | Bob Keslin | Bob Keslin | DNA |
| 5.7.1958 | LASC Green Acres [Formula Libre] | 155 | | Clement Boehler | Clement F. Boehler | DNA |
| 5.7.1958 | LASC Green Acres [S1.5] | 155 | | Clement Boehler | Clement F. Boehler | 12th |
| 5.7.1958 | Novice Hammond [S1.6] | | | Fred Trueman | | 1st |
| 6.7.1958 | Hawaii [S+1.6 Heat 1] | | | Jack Shuttleworth | | 3rd |
| 6.7.1958 | Hawaii [Main] | | | Jack Shuttleworth | | 5th |
| 20.7.1958 | SCCA Regional Thompson [GM+HM+HP] | 75 | 300BC Spider | Donald Mark | | 5th |
| 16.8.1958 | Harewood Acres [Le Mans] | 155 | | Clement Boehler | C. F. Boehler | raced |
| 16.8.1958 | Harewood Acres [SR] | 155 | 300BC Spider | Clement Boehler | C. F. Boehler | ?th |
| 6.9.1958 | SCCA National Road America [FP+GP+HM] | 24 | 300BC Spider | Al Beasley | | 31st |
| 7.9.1958 | 500 mile Road America | 67 | | McBryde | | DNS |
| 14.9.1958 | SCCA Regional Meadowdale [FP+GP+HP+HM] | 24 | 300BC Spider | Al Beasley | | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 159 | 300BC Spider | Robert Kimberk | | 16th |
| 25.10.1958 | Preliminary Dothan [MGA+GP+HP+HM] | 44 | | Joe Williams | Joe Williams | ?th |
| 26.10.1958 | SCCA Regional Dothan [MGA+GP+HP+HM] | 44 | | Joe Williams | Joe Williams | DNA |
| 26.10.1958 | SCCA Regional Dothan [MGA+GP+HP+HM] | 72 | 750 Spider | Ike Maxwell | I. A. Maxwell | DNA |
| 26.10.1958 | SCCA Regional Dothan [MGA+GP+HP+HM] | | | | | 4th |
| 1.11.1958 | Preliminary Palm Springs [CM+DM+EM+FM+GM+HM] | 41 | Coupé | Wesley Belt | Wesley D. Belt | ?th |
| 2.11.1958 | SCCA National Palm Springs [CM+DM+EM+FM+GM+HM] | 41 | Coupé | Wesley Belt | Wesley D. Belt | DNS |
| 16.11.1958 | Preliminary Marlboro [HM+HP+FIII] | 44 | Spider | R. Kimbeck | | 10th |