| 10.5.1958 | Novice Tracy [Production +1.6] | 22 | | Roland Davies | Roland Davies | DNA |
| 10.5.1958 | 4 h Relay Harewood Acres | 26A | TR3 | William Klinck | The Klinkers | 15th |
| 10.5.1958 | 4 h Relay Harewood Acres | 26B | TR3 | Robert Moogk | The Klinkers | 15th |
| 10.5.1958 | 4 h Relay Harewood Acres | 28P | TR3 | George Clough | Ecurie Italiano | 23rd |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 58 | TR3 | Bud Morris | Bud Morris | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 65 | | Ron Skinner | Ron Skinner | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 71 | | Dwight Case | Dwight L. Case | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 109 | TR3 | Don Burrows | Don Burrows | ?th |
| 10.5.1958 | Novice Tracy [Production +1.6] | 112 | TR3 | Frank Crane | Frank Crane | ?th |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 112 | TR3 | Frank Crane | Frank Crane | ?th |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 121 | TR3 | Scott Zarbaugh | Scott Zarbaugh | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 140 | | Herman Thiel | Herman T. Thiel | DNA |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 140 | TR2 | Lawrence Hagin | Lawrence R. Hagin | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 143 | TR3 | Vi Jones | Vincent Jones | DNA |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 174 | TR3 | Al Freudenberg | Al Freudenberg | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 177 | TR3 | Bill Mason | Bill Mason | DNA |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 184 | TR3 | Rod Carveth | Rod Carveth | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 192 | | William Phelon | R. Wm. Phelon | DNA |
| 11.5.1958 | Hawaii [Locals] | 14 | TR3 Special | Carl Schmidt | Carl Schmidt | 10th |
| 11.5.1958 | Hawaii [Match] | 14 | TR3 Special | Carl Schmidt | Carl Schmidt | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 14 | TR3 Special | Carl Schmidt | Carl Schmidt | 20th |
| 11.5.1958 | Hawaii [S+1.6] | 15 | TR3 | Ed Sorenson | Douglas Blyth | DNA |
| 11.5.1958 | Hawaii [Locals] | 15 | TR3 | Ed Sorenson | Douglas Blyth | 14th |
| 11.5.1958 | Hawaii [Production +1.6] | 15 | TR3 | Ed Sorenson | Douglas Blyth | DNA |
| 11.5.1958 | Hawaii [Match] | 15 | TR3 | Ed Sorenson | Douglas Blyth | DNA |
| 11.5.1958 | Hawaii [Match] | 16 | TR3 | Walter Vail | Walter Vail | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 16 | TR3 | Walter Vail | Walter Vail | DNA |
| 11.5.1958 | Hawaii [Locals] | 16 | TR3 | Walter Vail | Walter Vail | 16th |
| 11.5.1958 | Hawaii [S+1.6] | 16 | TR3 | Walter Vail | Walter Vail | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 19 | TR3 | Don L. Winn | Lt. Don L. Winn | DNF |
| 11.5.1958 | Hawaii [Match] | 19 | TR3 | Don L. Winn | Lt. Don L. Winn | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 19 | TR3 | Don L. Winn | Lt. Don L. Winn | DNA |
| 11.5.1958 | SCCA Regional Tracy [CM+DM+EM] | 30 | | Don Miller | Donald G. Miller | DNA |
| 11.5.1958 | Hawaii [Match] | 34 | TR2 | George Atcheson | George Atcheson | DNA |
| 11.5.1958 | Hawaii [Locals] | 34 | TR2 | George Atcheson | George Atcheson | 20th |
| 11.5.1958 | Hawaii [Production +1.6] | 34 | TR2 | George Atcheson | George Atcheson | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 34 | TR2 | George Atcheson | George Atcheson | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 45 | TR3 | Hy Greenstein | Hy Greenstein | DNA |
| 11.5.1958 | Hawaii [Match] | 45 | TR3 | Hy Greenstein | Hy Greenstein | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 45 | TR3 | Hy Greenstein | Hy Greenstein | DNA |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 58 | TR3 | Bud Morris | | 8th |
| 11.5.1958 | Hawaii [Production +1.6] | 87 | TR3 A | Leonard Senogles | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 87 | TR3 A | Leonard Senogles | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [Match] | 87 | TR3 A | Leonard Senogles | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [Match] | 97 | TR3 | Norman Dellaport | Norman Dellaport | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 97 | TR3 | Norman Dellaport | Norman Dellaport | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 97 | TR3 | Norman Dellaport | Norman Dellaport | DNA |
| 11.5.1958 | Hawaii [Match] | 97A | TR3 A | Cal Niday | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 97A | TR3 A | Cal Niday | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 97A | TR3 A | Cal Niday | Scuderia Encina | DNA |
| 11.5.1958 | Hawaii [Locals] | 98 | | W. Hargraves | | 29th |
| 11.5.1958 | Hawaii [Match] | 99 | TR3 | Bertrand / Bertrand | John Bertrand | DNA |
| 11.5.1958 | Hawaii [S+1.6] | 99 | TR3 | Bertrand / Bertrand | John Bertrand | DNA |
| 11.5.1958 | Hawaii [Production +1.6] | 99 | TR3 | Bertrand / Bertrand | John Bertrand | DNA |
| 11.5.1958 | Hawaii [Locals] | 99 | TR3 | John Bertrand | John Bertrand | 24th |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 111 | | Gordon Rundblad | Rusty Hyde | 6th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 112 | TR3 | Nade Bourgeault | | 7th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 121 | TR3 | Scott Zarbaugh | | 16th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 140 | TR2 | Lawrence Hagin | Lawrence R. Hagin | DNA |
| 11.5.1958 | SCCA Regional Tracy [MG+Ladies+Sedan+FIII] | 167 | | Red Geesaman | Frank Geesaman | 7th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 174 | TR3 | Al Freudenberg | | 9th |
| 11.5.1958 | SCCA Regional Tracy [Production Group B] | 184 | TR3 | Rod Carveth | | 15th |
| 15.5.1958 | Eläintarhanajo [GT] | 5 | | Harry Saaristo | | 10th |
| 15.5.1958 | Eläintarhanajo [GT] | 6 | | Eero Rosten | | 9th |
| 15.5.1958 | Eläintarhanajo [GT] | 7 | | Unto Pietilä | | 8th |
| 18.5.1958 | GP Spa [GT2.0] | 30 | TR2 | Henrard | | ?th |
| 18.5.1958 | GP Spa [GT2.0] | 31 | | Gritten | | DNF |
| 18.5.1958 | GP Spa [GT2.0] | 32 | | Roggemans | | DNA |
| 18.5.1958 | GP Spa [GT2.0] | 33 | | de Pierpoint | | ?th |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 39 | TR3 | F. Reed Andrews | F. Reed Andrews, Jr. | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 58 | TR3 | John Petrone | John R. Petrone | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 59 | TR3 | Harold Hurtley | Harold C. Hurtley | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 81 | TR3 | George Bull | George H. Bull | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 89 | TR3 | James B. Torbron | James B. Torbron | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 94 | TR3 | Charles M. Yost | Charles M. Yost | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 108 | | Vince Tamburo | Vincent Tamboro | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 141 | TR3 | Anatole Lapine | Anatole C. LaPine | DNA |
| 18.5.1958 | Preliminary Cumberland [Ladies] | 155 | TR3 | Barbara Samm | Robert Samm | DNA |
| 18.5.1958 | SCCA National Cumberland [DP+EP] | 155 | TR3 | Robert Samm | Robert Samm | DNA |
| 18.5.1958 | LISCA Lime Rock [GM+HM+EP] | | TR3 A | Warren Jacobs | | ?th |
| 18.5.1958 | LISCA Lime Rock [GM+HM+EP] | | TR3 | Jack Brewer | | ?th |
| 18.5.1958 | LISCA Lime Rock [GM+HM+EP] | | TR3 | R. Helmrich | | ?th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 67 | TR3 | John Hiles | | 7th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 68 | TR3 | Sid Larvin | | 3rd |
| 24.5.1958 | BRSCC Full Sutton [PS] | 69 | | Stan Newton | | 5th |
| 24.5.1958 | BRSCC Full Sutton [PS] | 71 | TR2 | W. Zoellner | | 11th |
| 25.5.1958 | GP des Frontières [GT2.0+TS1.0] | | TR2 | | | 9th |
| 25.5.1958 | Hourglass Field [Production +1.6] | | TR3 | Pat Mulcahy | | 3rd |
| 25.5.1958 | Hourglass Field [Main] | | TR3 | Pat Mulcahy | | 4th |
| 25.5.1958 | GP des Frontières [GT2.0+TS1.0] | | TR2 | P. Henrard | | 5th |
| 25.5.1958 | GP des Frontières [GT2.0+TS1.0] | | TR2 | Barre | | 7th |
| 26.5.1958 | Autosport Mallory Park [PS+1.6/PS1.0] | 47 | TR2 | I. L. Taylor | I. L. Taylor | DNA |
| 31.5.1958 | Novice Dunkirk [EP+FP+GP] | 49 | TR3 | J. Donovan | | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 81 | TR3 | Jerry Ostland | Jerry Ostland | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 110 | TR2 | Chuck Walker | Charles Walker | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Ladies] | 149 | TR2 | Janet Anderson | Nick Pastor | DNA |
| 31.5.1958 | Preliminary Santa Barbara [Modified +1.5] | 149 | TR2 | Bob Bondurant | Nick Pastor | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 154 | TR3 | Rod Carveth | Rod Carveth | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 157 | TR3 | Gottuso / Greenfield | Ted Maust | DNA |
| 31.5.1958 | Preliminary Santa Barbara [DP+EP] | 177 | TR3 | Gary Pickens | Gary Pickens | DNA |