| 26.7.1958 | Zandvoort | 59 | | Carel Godin de Beaufort | | ?th |
| 3.8.1958 | SCCA Regional Minden [FM+GM+HM] | 12 | | Eldon Beagle | Eldon Beagle | 1st |
| 3.8.1958 | SCCA Regional Minden [FM+GM+HM] | 36 | | Gordon Swett | Dr. Gordon Swett | DNA |
| 3.8.1958 | Rheinland Nürburgring [S1.5] | 40 | | Carel Godin de Beaufort | | 5th |
| 3.8.1958 | Rheinland Nürburgring [S1.5] | 44 | #0036 | Ludwig Fischer | | 11th |
| 3.8.1958 | Rheinland Nürburgring [S1.5] | 46 | | Heini Walter | | 7th |
| 3.8.1958 | SCCA Regional Shelton [S1.5] | 68 | | Curt Berreman | | DNA |
| 3.8.1958 | SCCA Regional Minden [FM+GM+HM] | 141 | #0089 | Jack West | | 3rd |
| 3.8.1958 | SCCA Regional Minden [BM+CM+DM+EM] | 141 | #0089 | Jack West | | 7th |
| 3.8.1958 | SCCA Regional Minden [FM+GM+HM] | 212 | #0088 | Erv Lehr | Ervin Legr | 2nd |
| 3.8.1958 | SCCA Regional Minden [FM+GM+HM] | 215 | | John Stevenson | | 4th |
| 3.8.1958 | SCCA Regional Minden [BM+CM+DM+EM] | 215 | | John Stevenson | | 6th |
| 3.8.1958 | Preliminary Minden [Ladies+FIII+MG+Novice] | | | Earl Callicutt | | ?th |
| 3.8.1958 | Giro delle Calabria | | #0143 | Christian Heins | | 1st |
| 10.8.1958 | Kanonloppet [Sports] | 2 | | Carel Godin de Beaufort | | DNF |
| 10.8.1958 | Kanonloppet [Sports] | 18 | #0045 | Harald Kronegard | | 8th |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 25 | | Alex Ratelle | | 17th |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 27 | | Ernie Erickson | | 3rd |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 44 | #0019 | Dean Causey | | 6th |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 77 | | Bob Staples | | DNF |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 126 | #04 | George van de Sande | | 11th |
| 16.8.1958 | SCCA National Milwaukee [BM+CM+DM+EM+FM+GM] | 147 | #0049 | Jack Manting | | 16th |
| 16.8.1958 | Harewood Acres [SR] | | | Manfred Holder | | 3rd |
| 16.8.1958 | Harewood Acres [Le Mans] | | | Manfred Holder | | 2nd |
| 17.8.1958 | SCCA National Montgomery [FM+GM] | 62 | | Phil Forno | Briggs Cunningham | DNF |
| 17.8.1958 | SCCA National Montgomery [FM+GM] | 71 | | Vic Meinhardt | | 2nd |
| 17.8.1958 | SCCA National Montgomery [FM+GM] | 74 | | Don Sesslar | | 3rd |
| 17.8.1958 | Zeltweg [Sports] | 98 | | Huschke von Hanstein | | DNF |
| 17.8.1958 | Zeltweg [Sports] | 100 | #0036 | Ludwig Fischer | Ludwig Fischer | 8th |
| 17.8.1958 | Zeltweg [Sports] | 102 | | Carel Godin de Beaufort | C. Graf Beaufort | DNA |
| 17.8.1958 | Zeltweg [Sports] | 104 | #0016 | Heini Walter | Heinrich Walter | 5th |
| 17.8.1958 | Zeltweg [Sports] | 105 | #0040 | Ernst Vogel | E. Vogel (ÖASC) | 4th |
| 17.8.1958 | Zeltweg [Sports] | 107 | | Anton von Döry | Antonio v. Döry | raced |
| 17.8.1958 | Zeltweg [Sports] | 108 | #0137 | Milivoj Bozic | Milivoj Bozic | 6th |
| 17.8.1958 | SCCA National Montgomery [FM+GM] | 133 | | Newton Davis | | 4th |
| 17.8.1958 | SCCA National Montgomery [FM+GM] | 140 | | Bob Holbert | | 1st |
| 24.8.1958 | Hourglass Field [S1.5] | | #0023 | Roger Pitts | | 1st |
| 30.8.1958 | Preliminary Santa Barbara [EM+FM] | 29 | | Joe Playan | | 3rd |
| 30.8.1958 | Preliminary Santa Barbara [EM+FM] | 50 | | Ken Miles | | DQ |
| 30.8.1958 | Preliminary Santa Barbara [EM+FM] | 88 | | Jack McAfee | | 2nd |
| 30.8.1958 | Preliminary Santa Barbara [Ladies] | | #06 | Betty Shutes | | 3rd |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 29 | | Joe Playan | | 5th |
| 31.8.1958 | Santa Barbara [Ladies] | 50 | | Linda Scott | | 2nd |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 50 | | Ken Miles | | 1st |
| 31.8.1958 | Preliminary Thompson [FM+GM] | 62 | | Phil Forno | | 2nd |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 88 | | Jack McAfee | | 2nd |
| 31.8.1958 | Preliminary Thompson [FM+GM] | 140 | | Bob Holbert | | 1st |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 188 | #0047 | Stan Sugarman | | 11th |
| 31.8.1958 | Santa Barbara [EM+FM+GM+HM] | 215 | | John Stevenson | | 9th |
| 31.8.1958 | Courtland Trophy | | | Roy Schecter | | DNA |
| 31.8.1958 | Santa Barbara [Ladies] | | #06 | Betty Shutes | | 3rd |
| 1.9.1958 | SCCA National Thompson [BM+CM+DM+EM+FM] | 62 | | Phil Forno | Briggs S. Cunningham | 5th |
| 1.9.1958 | SCCA National Thompson [BM+CM+DM+EM+FM] | 140 | | Bob Holbert | | 4th |
| 7.9.1958 | 500 mile Road America | 12 | | Alex Ratelle | | 15th |
| 7.9.1958 | 500 mile Road America | 14 | #0062 | Schraegle / Freiheit | | 9th |
| 7.9.1958 | 500 mile Road America | 19 | | Berlin / Lowe | | DNF |
| 7.9.1958 | 500 mile Road America | 27 | | Erickson / Hugus | | DNF |
| 7.9.1958 | USAC Lime Rock | 33 | #0111 | Art Bunker | | 12th |
| 7.9.1958 | 500 mile Road America | 34 | | Newton Davis | | DNS |
| 7.9.1958 | 500 mile Road America | 42 | #0019 | Causey / Rickert | | 3rd |
| 7.9.1958 | 500 mile Road America | 47 | #0049 | Manting / Ward | | DNF |
| 7.9.1958 | USAC Lime Rock | 71 | | Vic Meinhardt | | 4th |
| 7.9.1958 | 500 mile Road America | 71 | | Staples / Stear | | 4th |
| 7.9.1958 | 500 mile Road America | 74 | | Sesslar / Lunken | | DNF |
| 13.9.1958 | Tourist Trophy | 22 | #0145 | de Beaufort / Heins | Dr. Porsche | 8th |
| 13.9.1958 | Indian Summer Trophy | | | Chuck Dietrich | | 2nd |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 26 | #04 | George van de Sande | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 27 | | Ernie Erickson | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [BM+CM+DM+BP] | 27 | | Ernie Erickson | | raced |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 44 | #0019 | Dean Causey | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 57 | | Bernie Keller | | DNA |
| 14.9.1958 | SCCA Regional Bridgehampton [Modified] | 62 | | Phil Forno | Briggs Cunningham | 2nd |
| 14.9.1958 | Preliminary Bridgehampton [Modified] | 62 | | Phil Forno | Briggs Cunningham | 1st |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 74 | | Don Sesslar | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [EM+FM+GM] | 77 | | Bob Staples | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [BM+CM+DM+BP] | | | Chuck Rickert | | 3rd |
| 19.9.1958 | Preliminary Watkins Glen [Ladies] | 38 | #0063 | Suzy Dietrich | Bernhard Vihl | DNF |
| 20.9.1958 | GP Watkins Glen | 33 | | Newton Davis | Newton B. Davis | 7th |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 33 | | Newton Davis | Newton B. Davis | 3rd |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 38 | #0063 | Suzy Dietrich | Bernhard Vihl | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 62 | | Phil Forno | Briggs S. Cunningham | DNA |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 74 | | Don Sesslar | | 2nd |
| 20.9.1958 | GP Watkins Glen | 74 | | Don Sesslar | | 5th |
| 20.9.1958 | GP Watkins Glen | 140 | | Bob Holbert | Robert Holbert | 4th |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 140 | | Bob Holbert | Robert Holbert | 1st |
| 20.9.1958 | GP Watkins Glen | 229 | | Lorrain Holder | | DNF |
| 20.9.1958 | SCCA National Watkins Glen [FM+GM+HM] | 229 | | Lorrain Holder | | 7th |
| 20.9.1958 | Taça Cidade de Luanda | | | J. Ferguson | | raced |
| 21.9.1958 | GP Angola | 15? | #0140 | Ian Fraser Jones | | raced |
| 21.9.1958 | GP Angola | 22 | #0087 | Joaquim Correira de Oliveira | | DNQ |
| 21.9.1958 | GP Berlin | 26 | #0143 | Christian Heins | Christian Heinz | ?th |
| 21.9.1958 | GP Berlin | 39 | | Carel Godin de Beaufort | Ecurie Maarsbergen | DQ |
| 21.9.1958 | SCCA Regional Galveston [CM+DM+EM+FM+GM] | | | Bobby Burns | | 3rd |
| 21.9.1958 | USAC Marlboro | | #0111 | Art Bunker | | 3rd |
| 21.9.1958 | Del Mar [Modified] | | | Jack McAfee | | DNA |
| 21.9.1958 | Del Mar [Ladies+Sedan] | | #06 | Betty Shutes | | 3rd |
| 21.9.1958 | Preliminary Galveston [CM+DM+EM+FM] | | | Bobby Burns | | 3rd |
| 28.9.1958 | Hourglass Field [FM+GM+HM] | | | John Davis | | 3rd |
| 28.9.1958 | Hourglass Field [FM+GM+HM] | | | Joe Playan | | 2nd |
| 28.9.1958 | Hourglass Field [Ladies+FIII] | | #06 | Betty Shutes | | ?th |