| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 2 | | Charles Heindl | | 12th |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 44 | | George Grubb | | 14th |
| 27.4.1958 | WJC Charterhall [S+1.5] | 70 | | J. N. Turvey | J. N. Turvey | DNA |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 59 | | Harold Hurtley | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 59 | | Harold Hurtley | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 68 | | Bill Lott | | DNA |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 68 | | Bill Lott | | DNA |
| 10.5.1958 | 4 h Relay Harewood Acres | 2A | | Jim Duncan | Ecurie Vite | 2nd |
| 10.5.1958 | 4 h Relay Harewood Acres | 2B | | Ray Liddle | Ecurie Vite | 2nd |
| 10.5.1958 | 4 h Relay Harewood Acres | 3P | | John Bowles | Bakers Cockleshells | 7th |
| 10.5.1958 | 4 h Relay Harewood Acres | 3A | | Harold McAulay | Bakers Cockleshells | 7th |
| 10.5.1958 | 4 h Relay Harewood Acres | 3B | | Bruce Peck | Bakers Cockleshells | 7th |
| 10.5.1958 | 4 h Relay Harewood Acres | 6B | | Ed Bradley | Oaktra Four | 20th |
| 10.5.1958 | 4 h Relay Harewood Acres | 8C | | J. A. Maunder | The Hamcees | 12th |
| 10.5.1958 | 4 h Relay Harewood Acres | 12A | | John Latz | Ecurie Sticky Wicket | 22nd |
| 10.5.1958 | 4 h Relay Harewood Acres | 12B | | Johnny Richie | Ecurie Sticky Wicket | 22nd |
| 10.5.1958 | 4 h Relay Harewood Acres | 25A | | Bill Biggins | Ecurie Pegasus | 14th |
| 10.5.1958 | 4 h Relay Harewood Acres | 26A | | William Klinck | The Klinkers | 15th |
| 10.5.1958 | 4 h Relay Harewood Acres | 26B | | Robert Moogk | The Klinkers | 15th |
| 10.5.1958 | 4 h Relay Harewood Acres | 28P | | George Clough | Ecurie Italiano | 23rd |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 58 | | Bud Morris | Bud Morris | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 109 | | Don Burrows | Don Burrows | ?th |
| 10.5.1958 | Novice Tracy [Production +1.6] | 112 | | Frank Crane | Frank Crane | ?th |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 112 | | Frank Crane | Frank Crane | ?th |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 121 | | Scott Zarbaugh | Scott Zarbaugh | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 143 | | Vi Jones | Vincent Jones | DNA |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 174 | | Al Freudenberg | Al Freudenberg | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 177 | | Bill Mason | Bill Mason | DNA |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 184 | | Rod Carveth | Rod Carveth | DNA |
| 11.5.1958 | Hawaii [Locals] | 14 | | Carl Schmidt | Carl Schmidt | 10th |
| 11.5.1958 | Hawaii [S+1.6] | 14 | | Carl Schmidt | Carl Schmidt | 20th |
| 11.5.1958 | Hawaii [Match] | 14 | | Carl Schmidt | Carl Schmidt | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 15 | | Ed Sorenson | Douglas Blyth | DNA |
| 11.5.1958 | Hawaii [Match] | 15 | | Ed Sorenson | Douglas Blyth | DNA |
| 11.5.1958 | Hawaii [Locals] | 15 | | Ed Sorenson | Douglas Blyth | 14th |
| 11.5.1958 | Hawaii [S+1.6] | 15 | | Ed Sorenson | Douglas Blyth | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 16 | | Walter Vail | Walter Vail | DNA |
| 11.5.1958 | Hawaii [Match] | 16 | | Walter Vail | Walter Vail | DNA |
| 11.5.1958 | Hawaii [Locals] | 16 | | Walter Vail | Walter Vail | 16th |
| 11.5.1958 | Hawaii [S+1.6] | 16 | | Walter Vail | Walter Vail | DNA |
| 11.5.1958 | Hawaii [Match] | 19 | | Don L. Winn | Lt. Don L. Winn | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 19 | | Don L. Winn | Lt. Don L. Winn | DNF |
| 11.5.1958 | Hawaii [Production +1.6] | 19 | | Don L. Winn | Lt. Don L. Winn | DNA |
| 11.5.1958 | Hawaii [Match] | 45 | | Hy Greenstein | Hy Greenstein | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 45 | | Hy Greenstein | Hy Greenstein | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 45 | | Hy Greenstein | Hy Greenstein | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 58 | | Bud Morris | | 8th |
| 11.5.1958 | Hawaii [S+1.6] | 87 | | Leonard Senogles | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [Match] | 87 | | Leonard Senogles | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 87 | | Leonard Senogles | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 97 | | Norman Dellaport | Norman Dellaport | DNA |
| 11.5.1958 | Hawaii [Match] | 97 | | Norman Dellaport | Norman Dellaport | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 97 | | Norman Dellaport | Norman Dellaport | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 97A | | Cal Niday | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 97A | | Cal Niday | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [Match] | 97A | | Cal Niday | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 99 | | Bertrand / Bertrand | John Bertrand | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 99 | | Bertrand / Bertrand | John Bertrand | DNA |
| 11.5.1958 | Hawaii [Match] | 99 | | Bertrand / Bertrand | John Bertrand | DNA |
| 11.5.1958 | Hawaii [Locals] | 99 | | John Bertrand | John Bertrand | 24th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 112 | | Nade Bourgeault | | 7th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 121 | | Scott Zarbaugh | | 16th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 174 | | Al Freudenberg | | 9th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 184 | | Rod Carveth | | 15th |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 39 | | F. Reed Andrews | F. Reed Andrews, Jr. | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 58 | | John Petrone | John R. Petrone | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 59 | | Harold Hurtley | Harold C. Hurtley | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 81 | | George Bull | George H. Bull | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 89 | | James B. Torbron | James B. Torbron | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 94 | | Charles M. Yost | Charles M. Yost | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 141 | | Anatole Lapine | Anatole C. LaPine | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 155 | | Robert Samm | Robert Samm | DNA |
| 18.5.1958 | Preliminary Cumberland [Ladies] | 155 | | Barbara Samm | Robert Samm | DNA |
| 18.5.1958 | LISCA Lime Rock [GM+HM+EP] | | | R. Helmrich | | ?th |
| 18.5.1958 | LISCA Lime Rock [GM+HM+EP] | | | Jack Brewer | | ?th |
| 18.5.1958 | LISCA Lime Rock [GM+HM+EP] | | | Warren Jacobs | | ?th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 67 | | John Hiles | | 7th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 68 | | Sid Larvin | | 3rd |
| 25.5.1958 | Hourglass Field [Main] | | | Pat Mulcahy | | 4th |
| 25.5.1958 | Hourglass Field [Production +1.6] | | | Pat Mulcahy | | 3rd |
| 31.5.1958 | Novice Dunkirk [EP+FP+GP] | 49 | | J. Donovan | | DNA |
| 31.5.1958 | Novice Dunkirk [EP+FP+GP] | 65 | | David Adams | | 8th |
| 31.5.1958 | Novice Dunkirk [EP+FP+GP] | 72 | | Burchard Day | | 5th |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 81 | | Jerry Ostland | Jerry Ostland | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 154 | | Rod Carveth | Rod Carveth | DNA |
| 31.5.1958 | Novice Dunkirk [EP+FP+GP] | 157? | | Harry Buckley | | 6th |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 157 | | Gottuso / Greenfield | Ted Maust | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 177 | | Gary Pickens | Gary Pickens | DNA |
| 31.5.1958 | LASC Green Acres [S/GT2.7] | | | S. R. Gallagher | | ?th |
| 31.5.1958 | ICNSCC Deer Park [Production +1.5] | | | Jack Murray | | ?th |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 7 | | Robert Rippel | | 4th |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 38 | | John Petrone | | 8th |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 55 | | Robert Samm | | 6th |
| 1.6.1958 | SCCA National Bridgehampton [DP+EP] | 59 | | Harold Hurtley | | 3rd |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 65 | | David Adams | | 11th |
| 1.6.1958 | SCCA Regional Dunkirk [DP+EP] | 72 | | Burchard Day | | 9th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 81 | | Jerry Ostland | Jerry Ostland | 19th |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 154 | | Rod Carveth | Rod Carveth | 21st |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 157 | | Gottuso / Greenfield | Ted Maust | DNA |
| 1.6.1958 | Santa Barbara [EP+FP+JP] | 177 | | Gary Pickens | Gary Pickens | DNF |