| 6.7.1958 | SCCA Regional Vaca Valley [BP+CP+DP+EP] | 117 | Ace | Chick Leson | Chick Leson | 6th |
| 6.7.1958 | Preliminary Vaca Valley [300SL+Jag+Bristol+Corv+Carrera+AHS] | 117 | Ace | Chick Leson | Chick Leson | DNA |
| 6.7.1958 | Preliminary Vaca Valley [Ladies+Sedan+FIII+MG-T] | 193 | Ace | Cathy Cote | Paul Cote, Jr. | DNA |
| 6.7.1958 | Hammond [DP+EP+FP] | | Ace | J. E. Rose | | 2nd |
| 6.7.1958 | Hammond [DP+EP+FP] | | Ace | Harry Washburn | | 1st |
| 6.7.1958 | Hammond [DP+EP+FP] | | Ace | J. Young | | DQ |
| 12.7.1958 | BRSCC Full Sutton [GT] | 56 | Ace | Ian Smith | | 1st |
| 12.7.1958 | Leinster Trophy | | | Bill Bradshaw | | 4th |
| 13.7.1958 | LISCA Lime Rock [EP] | | Ace | Jordan King | | 1st |
| 13.7.1958 | Traverse City [Main] | | Ace | Dick Hogue | | ?th |
| 19.7.1958 | Berwick [DP+EP] | | | Sam Moses | | 1st |
| 19.7.1958 | BEMC Harewood Acres [Modified +1.5] | | Ace | Paul Sullivan | Paul J. Sullivan | ?th |
| 19.7.1958 | BEMC Harewood Acres [Production 3.0] | | Ace | Paul Sullivan | Paul J. Sullivan | ?th |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 30 | | Ed Hamburger | | 1st |
| 20.7.1958 | SCCA Regional Thompson [Production] | 30 | | Ed Hamberger | | raced |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 47 | Ace | John B. Mull | | DNF |
| 20.7.1958 | SCCA Regional Thompson [DP+EP] | 48 | Ace | Evelyn Mull | | DNF |
| 26.7.1958 | MCMC Oulton Park [Closed] | 18 | Aceca | Ron Brightman | Ron Brightman | 1st |
| 27.7.1958 | Trophée d'Auvergne | 56 | Ace | Ted Whiteaway | | 13th |
| 27.7.1958 | Trophée d'Auvergne | 60 | Ace | Mike Anthony | | 16th |
| 27.7.1958 | Trophée d'Auvergne | 118 | | Antonio Izquierdo | | ?th |
| 27.7.1958 | Trophée d'Auvergne | 120 | | Jean Gretener | | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 17 | | John Luce | Edith Field | 7th |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 18 | | Vern Clausing | | DNA |
| 3.8.1958 | SCCA Regional Minden [BP+CP+DP+EP] | 117 | Ace | Chick Leson | Chick Leson | DNA |
| 3.8.1958 | SCCA Regional Shelton [PS+1.5] | 129 | Ace | Al Doyan | | DNA |
| 4.8.1958 | Autosport Mallory Park [PS+1.0] | 71 | Aceca | Ron Brightman | R. A. Brightman | DNA |
| 16.8.1958 | SCCA National Milwaukee [BP+CP+DP+EP] | 21 | Ace | Luke Stear | | 6th |
| 16.8.1958 | Harewood Acres [Le Mans] | 47 | Ace | Bill Hough | Ecurie Sans Sous | DNA |
| 16.8.1958 | Harewood Acres [EP] | 47 | Ace | Bill Hough | Ecurie Sans Sous | raced |
| 16.8.1958 | SCCA National Milwaukee [BP+CP+DP+EP] | 56 | Ace | Robert Roloson | | DNF |
| 16.8.1958 | SCCA National Milwaukee [BP+CP+DP+EP] | 74 | Ace | Dick Hogue | | 9th |
| 16.8.1958 | SCCA National Milwaukee [BP+CP+DP+EP] | 99 | Ace | Harry Pick | | 7th |
| 16.8.1958 | SCCA National Milwaukee [BP+CP+DP+EP] | 144 | Ace | Burt DeRieux | | DNF |
| 16.8.1958 | SCCA National Milwaukee [BP+CP+DP+EP] | 157 | Ace | Marvin Mann | | 13th |
| 17.8.1958 | SCCA National Montgomery [BM+CM+DM+EM] | 78 | | Chuck Sarle | | DNF |
| 17.8.1958 | Zeltweg [GT+1.3] | 86 | Ace | Charles Vögele | Charles Vögele | raced |
| 17.8.1958 | SCCA National Montgomery [DP+EP] | 130 | | Ed Hamburger | | 4th |
| 17.8.1958 | SCCA National Montgomery [DP+EP] | 180 | Ace | Harry Carter | | 2nd |
| 17.8.1958 | SCCA National Montgomery [DP+EP] | 246 | Ace | Jordan King | | 1st |
| 23.8.1958 | LASC Green Acres [Unrestricted] | 11 | Ace | Paul Sullivan | P. T. Sullivan | DNA |
| 23.8.1958 | LASC Green Acres [S2.0] | 11 | Ace | Paul Sullivan | P. T. Sullivan | DNA |
| 23.8.1958 | LASC Green Acres [Unrestricted] | 30 | Ace | Bill Hough | Ecurie San Sous | DNA |
| 23.8.1958 | LASC Green Acres [S2.0] | 30 | Ace | Bill Hough | Ecurie San Sous | DNA |
| 23.8.1958 | LASC Green Acres [Le Mans] | 30 | Ace | Bill Hough | Ecurie San Sous | DNA |
| 23.8.1958 | LASC Green Acres [S2.0] | 117 | Ace | Peter Eastick | McColl Motors Ltd. | DNA |
| 23.8.1958 | LASC Green Acres [Unrestricted] | 117 | Ace | Peter Eastick | McColl Motors Ltd. | DNA |
| 24.8.1958 | Hourglass Field [S+1.5] | | | Jim Fouch | | 5th |
| 30.8.1958 | NSCC Silverstone [S2.7] | 72 | | Milne | R. M. Milne | DNA |
| 30.8.1958 | Preliminary Santa Barbara [Ladies] | | | Linda Scott | | 2nd |
| 30.8.1958 | Novice Mansfield [S1.6] | | | Garry Dundas | Binford | 1st |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 3 | | Jerry Shawver | Jerry Shawver | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 3 | | Jerry Shawver | Jerry Shawver | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 9 | | James Binford | J. H. Binford | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 9 | | James Binford | J. H. Binford | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 27 | Ace | Bill Steele | Bill Steele | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 27 | Ace | Bill Steele | Bill Steele | DNA |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 30 | | Richard McGuire | Peter Proctor | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 30 | | Richard McGuire | Peter Proctor | DNA |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 32 | | Leo May | | 7th |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 44 | Ace | Dick Hogue | | 4th |
| 31.8.1958 | Preliminary Mansfield [DP+EP+FP] | 47 | Ace | Harry Washburn | Harry Washburn | DNA |
| 31.8.1958 | SCCA Regional Mansfield [BP+CP+DP+EP+FP] | 47 | Ace | Harry Washburn | Harry Washburn | DNA |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 111 | | David Zabludoff | | 12th |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 130 | | Ed Hamburger | | 3rd |
| 31.8.1958 | Santa Barbara [BP+CP+DP] | 148 | Ace | Gordon Crowder | | 8th |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 180 | Ace | Harry Carter | | 1st |
| 31.8.1958 | Preliminary Thompson [DP+EP] | 246 | Ace | Jordan King | | 2nd |
| 31.8.1958 | Deer Park [AP+BP+DP+DP+EP] | | Ace | Jim Parsons | | ?th |
| 31.8.1958 | Courtland Trophy | | Ace | Lloyd Casner | | DNA |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 32 | | Leo May | | 6th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 44 | Ace | Dick Hogue | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 111 | | David Zabludoff | | DNF |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 130 | | Ed Hamburger | | 5th |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 180 | Ace | Harry Carter | | 2nd |
| 1.9.1958 | SCCA National Thompson [EP+FP] | 246 | Ace | Jordan King | | 4th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 7 | Ace | Luke Stear | | 6th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 8 | Ace | Walter Abbott | | 19th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 22 | Ace | Pete Harrison | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 25 | Ace | Fred Ellsworth | | 11th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 48 | Ace | Evelyn Mull | | 9th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 52 | Ace | B. W. Coan | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 56 | Ace | Robert Roloson | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 57 | Ace | Marvin Mann | | DNS |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 94 | Ace | Jack Mayberry | | 8th |
| 6.9.1958 | SCCA National Road America [BP+CP+DP+EP] | 99 | Ace | Harry Pick | | 7th |
| 6.9.1958 | Sunbac Silverstone [S+1.5] | | Ace | | | raced |
| 6.9.1958 | Sunbac Silverstone [S+1.5] | | Ace | | | raced |
| 7.9.1958 | 500 mile Road America | 33 | Ace | Hamburger / Kessler | | DNF |
| 7.9.1958 | 500 mile Road America | 48 | Ace | Mull / Mull | | DNF |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S+1.1] | 54 | Ace | Fred Warnell | Fred Warnell | DNS |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S+1.1] | 59 | Ace | Ian Smith | I. Smith | 9th |
| 7.9.1958 | Scott-Brown Memorial Snetterton [S+1.1] | 67 | | Reed | Reed | 14th |
| 13.9.1958 | Tourist Trophy | 29 | Ace LM | Anthony / Whiteaway | Rudd Racing Team | 19th |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 2 | | William Wonder | | 19th |
| 14.9.1958 | SCCA Regional Bridgehampton [BP+CP+DP+EP+FP+GP] | 2 | | William Wonder | | 17th |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 33 | | Jerry Shawver | | DNA |
| 14.9.1958 | Preliminary Bridgehampton [BP+CP+DP+EP+FP+HP] | 35 | | Ed Hamberger | | 7th |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 71 | | J. B. Casserly, Jr. | | DNA |
| 14.9.1958 | SCCA Regional Meadowdale [CP+DP+EP] | 99 | | Harry Pick | | DNA |