| 23.3.1958 | SCCA Regional Stockton [S+1.5] | 11 | Special | John Armanino | | 2nd |
| 23.3.1958 | SCCA Regional Stockton [S+1.5] | 42 | 100 Special | Mick Marston | | 4th |
| 23.3.1958 | SCCA Regional Stockton [S+1.5] | 66 | 100 S | Gordon Glyer | | 7th |
| 23.3.1958 | SCCA Regional Stockton [Production +1.6] | 86 | | Brett Morehouse | | 14th |
| 23.3.1958 | SCCA Regional Stockton [Production +1.6] | 106 | 100 S | Bert Smeeden | | 12th |
| 23.3.1958 | SCCA Regional Stockton [Production +1.6] | 133 | 100 | Dick Newhall | | 15th |
| 29.3.1958 | BARC Mallory Park [S+1.1] | 48 | 100 S | Dick Protheroe | Dick Protheroe | 2nd |
| 30.3.1958 | Willow Springs [Production +1.6] | 33 | 100 | Leo Rood | Leo Rood | DNA |
| 30.3.1958 | Willow Springs [Main] | 33 | 100 | Leo Rood | Leo Rood | DNF |
| 30.3.1958 | SCC-BC Abbotsford [Modified +1.5] | 50 | | Constabaris | | 2nd |
| 30.3.1958 | SCC-BC Abbotsford [Race 1] | 66 | 100 | John Nissen | | 3rd |
| 30.3.1958 | Willow Springs [Main] | 86 | | Dwight Zwick | Competition Car Club | raced |
| 30.3.1958 | Willow Springs [Modified] | 86 | | Dwight Zwick | Competition Car Club | DNA |
| 30.3.1958 | Willow Springs [Main] | 88 | 100 | Warren Wardell | Warren Wardell | DNA |
| 30.3.1958 | Willow Springs [Novice] | 88 | 100 | Warren Wardell | Warren Wardell | 3rd |
| 30.3.1958 | Willow Springs [Production +1.6] | 88 | 100 | Warren Wardell | Warren Wardell | DNA |
| 30.3.1958 | SCC-BC Abbotsford [Race 1] | 408 | 100 | T. A. Rees | | 1st |
| 5.4.1958 | BRSCC Full Sutton [PS] | 48 | 100-6 | M. J. L. Brook | M. J. L. Brook | DNA |
| 5.4.1958 | BRSCC Full Sutton [SR/R] | 49 | 100-6 | D. Brook | D. Brook | 11th |
| 5.4.1958 | BRSCC Full Sutton [PS] | 49 | 100-6 | D. Brook | D. Brook | 7th |
| 5.4.1958 | BRSCC Full Sutton [PS] | 60 | 100 | M. L. Bailey | M. L. Bailey | DNA |
| 5.4.1958 | BRSCC Full Sutton [Formula Libre] | 60 | 100 | M. L. Bailey | M. L. Bailey | 6th |
| 5.4.1958 | BRSCC Full Sutton [PS] | 61 | 100 S | C. Hanson | Team Triples | 4th |
| 5.4.1958 | BRSCC Full Sutton [PS] | 62 | 100 S | A. G. Kellett | Team Triples | 2nd |
| 5.4.1958 | BRSCC Full Sutton [SR/R] | 62 | 100 S | A. G. Kellett | | 9th |
| 7.4.1958 | National Brands Hatch [Production] | 94 | 100 S | Graham Warner | Chequered Flag | 2nd |
| 12.4.1958 | Grand Central [1820 Settlers] | 5 | 100-6 | Tony Maggs | | ?th |
| 12.4.1958 | Grand Central [Sports] | 11 | | Neville Austin | | 2nd |
| 12.4.1958 | Grand Central [Sports] | 15 | 100-6 | F. J. Dyason | | DNA |
| 12.4.1958 | Grand Central [Sports] | 16 | 100-6 | Tony Maggs | | ?th |
| 12.4.1958 | Grand Central [Sports] | 20 | 100 M | George Pfaff | | 6th |
| 12.4.1958 | Grand Central [Sports] | 25 | 100-6 | Wally Schoch | | raced |
| 13.4.1958 | SCCA Regional Palm Springs [BM+CM+DM+EM] | 9 | 100 S | Bill Friedauer | Bill Friedauer | DNF |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 21 | | Bob Young | Bob Young | 18th |
| 13.4.1958 | SCCA Regional Palm Springs [BM+CM+DM+EM] | 23 | 100 S | Roland Berry | Roland Berry | DNA |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 60 | 100-6 | Chuck Parsons | Charles Parsons | 16th |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 84 | 100-6 | Reed Glover | Reed Glover | 14th |
| 13.4.1958 | SCCA Regional Palm Springs [BP+CP+DP+EP] | 148 | | Scott Baxter | | DNF |
| 13.4.1958 | Preliminary Palm Springs [Ladies+FIII] | 148 | 100 S | Prudence Baxter | Prudence Baxter | 8th |
| 13.4.1958 | SCCA Regional Palm Springs [BM+CM+DM+EM] | 148 | | Scott Baxter | | 14th |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 8 | | Reed Rollo | | 9th |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 27 | | Don Wolk | | DNF |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 37 | | John O'Keefe | | 13th |
| 20.4.1958 | Marlboro [Handicap 1st Heat] | 37 | | John O'Keefe | | 12th |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 57 | 100-6 | Dick Thompson | | 3rd |
| 20.4.1958 | Marlboro [Handicap 2nd Heat] | 57 | 100-6 | Dick Thompson | | 6th |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 73 | 100 | Fred Moore | | 2nd |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 86 | | Bob Hathaway | | 6th |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 121 | | Hugh Harrison | | 14th |
| 20.4.1958 | Marlboro [Handicap 1st Heat] | 121 | | Pete Harrison | | 11th |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 137 | | Bob Thomas | | 12th |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 141 | | Orlo Koenig | | 7th |
| 20.4.1958 | SCCA National Marlboro [BP+CP+DP] | 170 | | John Holmes | | 5th |
| 20.4.1958 | Preliminary Galveston [BP+CP+DP+EP] | | | R. L. Crownrich | | ?th |
| 20.4.1958 | SCCA Regional Galveston [BP+CP+DP+EP] | | | R. L. Crownrich | | ?th |
| 20.4.1958 | Preliminary Galveston [BP+CP+DP+EP] | | | Ron Greenwood | | ?th |
| 20.4.1958 | SCCA Regional Galveston [BP+CP+DP+EP] | | | Ron Greenwood | | ?th |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 14 | 100-6 | Kenneth Flynn | | 13th |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 19 | 100 | Ray Cover | | 10th |
| 27.4.1958 | WJC Charterhall [S+1.5] | 47 | 100 S | C. Hanson | Team Triple "S" | DNF |
| 27.4.1958 | WJC Charterhall [R/S+500] | 48 | 100 S | Jimmy Blumer | J. H. Lawson | DNA |
| 27.4.1958 | WJC Charterhall [S+1.5] | 48 | 100 S | Jimmy Blumer | J. H. Lawson | ?th |
| 27.4.1958 | WJC Charterhall [R/S+500] | 49 | 100 M | Julian Sutton | J. Sutton | DNA |
| 27.4.1958 | WJC Charterhall [S+1.5] | 49 | 100 M | Julian Sutton | J. Sutton | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 50 | 100 M | Candido DaMota | | 9th |
| 27.4.1958 | WJC Charterhall [S+1.5] | 50 | 100 S | W. A. Thompson | W. A. Thompson | ?th |
| 27.4.1958 | WJC Charterhall [R/S+500] | 50 | 100 S | W. A. Thompson | W. A. Thompson | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 51 | 100 M | Robert Shirey | | 11th |
| 27.4.1958 | WJC Charterhall [R/S+500] | 51 | 100 S | Ted Evans | B. L. Carlaw | DNA |
| 27.4.1958 | WJC Charterhall [S+1.5] | 51 | 100 S | Ted Evans | B. L. Carlaw | ?th |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 53 | 100-6 | Vin Sardi | | 7th |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 57 | 100 | John Clark | | DNA |
| 27.4.1958 | SCCA Regional Lime Rock [CM+DM+EM+FM+GM] | 142 | 100 S | Joe Giubardo | | 12th |
| 27.4.1958 | SCCA Regional Lime Rock [DP+EP] | 247 | 100-6 | Fred Spross | | 6th |
| 27.4.1958 | Preliminary Louisville [BP+CP+DP] | | 100-4 | Allan Barker | | 7th |
| 27.4.1958 | SCCA Regional Louisville [BP+CP+DP+EP+FP Porsche] | | 100-4 | Allan Barker | | ?th |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 11 | 100-6 | Dick Thompson | | DNF |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 11 | 100-6 | Dick Thompson | | ?th |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 12 | | Charles Byerly | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 12 | | Charles Byerly | | DNA |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 26 | | Reed Rollo | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 26 | | Reed Rollo | | ?th |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 43 | | Mike Rothschild | | DNA |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 43 | | Mike Rothschild | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 72 | | John Holmes | | ?th |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 72 | | John Holmes | | DNA |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 73 | 100 | Fred Moore | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 73 | 100 | Fred Moore | | DNF |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 86 | 100 | Bob Hathaway | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 86 | 100 | Bob Hathaway | | ?th |
| 4.5.1958 | Preliminary Virginia [DP+EP+GM] | 121 | 100 | Pete Harrison | | DNA |
| 4.5.1958 | SCCA National Virginia [DP+EP+FP+GP+HP+KP+GM+HM] | 121 | 100 | Pete Harrison | | DNA |
| 10.5.1958 | Novice Tracy [Production +1.6] | 2 | | Chuck Parsons | Charles Parsons | 8th |
| 10.5.1958 | 4 h Relay Harewood Acres | 6A | 100-6 | Dennis Coad | Oaktra Four | 20th |
| 10.5.1958 | 4 h Relay Harewood Acres | 12C | 100 M | Vic Reichert | Ecurie Sticky Wicket | 22nd |
| 10.5.1958 | 4 h Relay Harewood Acres | 14B | 100 S | Hugh Sutherland | Ecurie Volanti | 9th |
| 10.5.1958 | 4 h Relay Harewood Acres | 15A | 100 M | S. E. Ward | Ecurie Arrow | 8th |
| 10.5.1958 | 4 h Relay Harewood Acres | 15B | 100 M | Dave Hennessey | Ecurie Arrow | 8th |
| 10.5.1958 | 4 h Relay Harewood Acres | 20P | 100 | D. J. Dell | The Hasas | DNF |
| 10.5.1958 | Preliminary Tracy [Production +1.6] | 144 | 100 M | George Snively | Dr. George Snively | 8th |