| 8.2.1958 | Preliminary Pomona [Modified 1.5] | 29 | 550 RS Spyder | Joe Playan | Joe Playan | 4th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 31 | 356 1600 Super Speedster | Ronnie Bucknum | Ronnie Bucknum | 3rd |
| 8.2.1958 | Preliminary Pomona [Modified 1.5] | 40 | 550 | John Davis | John P. Davis | 11th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 56 | 356 Speedster | Chuck Teichen | Chuck Teichen | 11th |
| 8.2.1958 | Preliminary Pomona [Production 1.5] | 72 | 356 A 1500 GS Carrera GT | Jimmy Moore | | DNF |
| 8.2.1958 | Preliminary Pomona [Modified 1.5] | 88 | 550 RS | Jack McAfee | Stanley Sugarman | 1st |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 111 | 356 1600 Super | Bill Coomber | Bill Coomber | 9th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 127 | 356 Speedster | Pat Keenan | Patrick Keenan | 6th |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 192 | 356 1600 Super Speedster | George Spears | George Spears | 1st |
| 8.2.1958 | Preliminary Pomona [Production 2.7] | 206 | 356 1600 Super Speedster | Alden Glickman | Alden Jay Glickman | 12th |
| 8.2.1958 | Preliminary Pomona [Modified 1.5] | 318 | 550 | Gary Nelson | Gary Nelson | 9th |
| 9.2.1958 | Pomona [Production 2.0] | 19 | 356 A 1500 GS Carrera GT Speedster | D. D. Michelmore | D. D. Michelmore | 2nd |
| 9.2.1958 | Pomona [Production 2.0] | 24 | 356 Speedster | Ed Barker | Ed Barker | 6th |
| 9.2.1958 | Pomona [Ladies] | 29 | 550 RS | Ruth Levy | Joe Playan | 2nd |
| 9.2.1958 | Pomona [S1.5] | 29 | 550 RS Spyder | Joe Playan | Joe Playan | DNF |
| 9.2.1958 | Pomona [Production 2.0] | 31 | 356 1600 Super Speedster | Ronnie Bucknum | Ronnie Bucknum | 1st |
| 9.2.1958 | Pomona [S1.5] | 40 | 550 | John Davis | John P. Davis | 9th |
| 9.2.1958 | Pomona [Production 2.0] | 42 | 356 A 1500 GS Carrera | Bob Piolatto | Bob Piolatto | 8th |
| 9.2.1958 | Consolation Pomona [Modified] | 50 | 550 RS | Ken Miles | | 3rd |
| 9.2.1958 | Pomona [S1.5] | 50 | 550 RS | Ken Miles | | 2nd |
| 9.2.1958 | Pomona [Production 2.0] | 56 | 356 Speedster | Chuck Teichen | Chuck Teichen | 15th |
| 9.2.1958 | Pomona [Production 2.0] | 72 | 356 A 1500 GS Carrera GT | Jimmy Moore | | 5th |
| 9.2.1958 | Pomona [Production 2.0] | 81 | 356 A 1500 GS Carrera | Jay Hills | Jay Hills | 14th |
| 9.2.1958 | Pomona [S1.5] | 88 | 550 RS | Jack McAfee | Stanley Sugarman | 1st |
| 9.2.1958 | Guadalajara | 109 | 550 RS | Ricardo Rodriguez | | 1st |
| 9.2.1958 | Pomona [Production 2.0] | 111 | 356 1600 Super | Bill Coomber | Bill Coomber | DNF |
| 9.2.1958 | Pomona [Production 2.0] | 127 | 356 Speedster | Pat Keenan | Patrick Keenan | 12th |
| 9.2.1958 | Guadalajara [1.5] | 163 | 356 | Rogelio Partida | | DNF |
| 9.2.1958 | Pomona [S1.5] | 188 | 550 RS | Stan Sugarman | Stanley Sugarman | DNA |
| 9.2.1958 | Pomona [Production 2.0] | 192 | 356 1600 Super Speedster | George Spears | George Spears | 3rd |
| 9.2.1958 | Pomona [Ladies] | 193 | 550 Spyder | Betty Shutes | Betty Shutes | 1st |
| 9.2.1958 | Pomona [Production 2.0] | 206 | 356 1600 Super Speedster | Alden Glickman | Alden Jay Glickman | 18th |
| 9.2.1958 | Pomona [S1.5] | 318 | 550 | Gary Nelson | Gary Nelson | DNF |
| 9.2.1958 | Guadalajara | | 550 | Ed Crawford | | DNA |
| 9.2.1958 | Guadalajara | | 550 | Sam Weiss | | DNA |
| 9.2.1958 | Guadalajara | | 550 RS | Jean Pierre Kunstle | | DNA |
| 9.2.1958 | Guadalajara | | 550 RS | Denise McCluggage | | DNA |
| 9.2.1958 | Guadalajara | | 550 | Ruth Levy | | DNA |
| 9.2.1958 | Guadalajara | | 550 RS | Ken Miles | Stan Sugarman | DNA |
| 9.2.1958 | Guadalajara | | 550 RS | Jack McAfee | | DNA |
| 9.2.1958 | Guadalajara | | 550 RS Spyder | Joe Playan | | DNA |
| 9.2.1958 | Guadalajara | | 550 | John Porter | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 3 | 356 | Buel Kinne | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 3 | 356 | Buel Kinne | | 3rd |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 8 | 356 | Antonic V. Dapena | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 8 | 356 | Antonic V. Dapena | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 15 | Special | Jim Harcum | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 15 | Special | Jim Harcum | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 38 | 356 | Jack Ryan | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 38 | 356 Super | Jack Ryan | | 3rd |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 81 | 356 A Carrera | Howard Fowler | | 2nd |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 81 | 356 A Carrera | Howard Fowler | | 1st |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | 83 | 550 RS | John Cuevas | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [Modified+BP+CP+DP+EP] | 83 | 550 RS | John Cuevas | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 85 | 356 A Carrera | Thomas R. Green | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 85 | 356 A Carrera | Thomas R. Green | | DNA |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 114 | 356 | Don Holton | | DNA |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 114 | 356 | Don Holton | | 2nd |
| 16.2.1958 | Preliminary New Smyrna Beach [FP+GP+HP+HM] | 183 | 356 A Carrera | John Cuevas | | DNF |
| 16.2.1958 | SCCA Regional New Smyrna Beach [FP+GP+HP+HM] | 183 | 356 A Carrera | John Cuevas | | 1st |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | | Special | | | raced |
| 16.2.1958 | Preliminary New Smyrna Beach [Modified] | | Special | | | raced |
| 24.2.1958 | GP Cuba | | | Roberto Mières | | 13th |
| 24.2.1958 | GP Cuba | | | von Döry | | 17th |
| 24.2.1958 | GP Cuba | | | Ulf Norinder | | 18th |
| 1.3.1958 | Preliminary Phoenix [Novice] | 25 | 356 1600 Super Speedster | Jim Lockwood | | 19th |
| 1.3.1958 | Preliminary Phoenix [Novice] | 31 | 356 1600 Super Speedster | Bill Clark | | 9th |
| 1.3.1958 | Preliminary Phoenix [Novice] | 72 | 356 Coupé 1600 | Bill Blatt | | 11th |
| 1.3.1958 | Preliminary Phoenix [Novice] | 177 | 356 A Carrera Speedster | Norma Bellows | | 22nd |
| 1.3.1958 | Preliminary Phoenix [Novice] | 188 | 550 | Vaclav Polak | | 2nd |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 9 | 550 | John Biehl | | 11th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 9 | 550 | Tracy Bird | | 8th |
| 2.3.1958 | Preliminary Phoenix [Ladies] | 14 | 356 1600 Super Speedster | Patsy Randle | | 3rd |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 14 | 356 1600 Super Speedster | Bill Randle | | 5th |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 14 | 356 1600 Super Speedster | Bill Randle | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 18 | 356 1600 Super Speedster | Bruce Leist | | 6th |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 18 | 356 1600 Super Speedster | Bruce Leist | | 12th |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 25 | 356 1600 Super Speedster | Jim Lockwood | | 15th |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 25 | 356 1600 Super Speedster | Jim Lockwood | | 23rd |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 31 | 356 1600 Super Speedster | Bill Clark | | 10th |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 31 | 356 1600 Super Speedster | Bill Clark | | 3rd |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 62 | 550 RS | Bobby Burns | | 5th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 62 | 550 RS | Bobby Burns | | 2nd |
| 2.3.1958 | Preliminary Phoenix [Ladies] | 72 | 356 Coupé 1600 | Erna Blatt | | 7th |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 72 | 356 1600 Super Coupé | Bill Blatt | | 8th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 88 | 550 RS | Jack McAfee | Stan Sugarman | 1st |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 88 | 550 RS | Jack McAfee | Stan Sugarman | 3rd |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 169 | 550 | John Porter | | 12th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 169 | 550 | John Porter | | 10th |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 172 | 356 A Carrera GT | Jimmy Moore | | 1st |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 172 | 356 A Carrera GT | Jimmy Moore | | 4th |
| 2.3.1958 | SCCA Regional Phoenix [FP+GP+HP+HM] | 177 | 356 A Carrera Speedster | Richard Bellows | | 2nd |
| 2.3.1958 | SCCA Regional Phoenix [Production] | 177 | 356 A Carrera Speedster | Richard Bellows | | 8th |
| 2.3.1958 | Preliminary Phoenix [Ladies] | 177 | 356 A Carrera Speedster | Norma Bellows | | 6th |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 188 | 550 RS | Stan Sugarman | | 9th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | 188 | 550 RS | Stan Sugarman | | 14th |
| 2.3.1958 | Preliminary Phoenix [Ladies] | 193 | 550 Spyder | Betty Shutes | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 193 | 550 Spyder | Betty Shutes | | DNF |
| 2.3.1958 | SCCA Regional Phoenix [S1.5] | 318 | 550 | Gary Nelson | | 6th |
| 2.3.1958 | SCCA Regional Phoenix [Main] | | 550 | Bob Donner | | DNA |