| 26.10.1958 | SCCA Regional Dothan [Main] | 2 | Special | Peyton McCormack | Peyton McCormack | DNA |
| 26.10.1958 | SCCA Regional Dothan [Main] | 10 | D-type | Ed Rahal | Ed Rahal | DNA |
| 26.10.1958 | Preliminary Dothan [Ladies] | 36 | XK120 | Virginia Benton | Virginia Benton | DNA |
| 26.10.1958 | SCCA Regional Dothan [Main] | 77 | D-type | C. K. Thompson | C. K. Thompson | DNF |
| 26.10.1958 | Vineland [Main] | 149 | D-type | George Constantine | | raced |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | | | | ?th |
| 26.10.1958 | SCCA Regional Dothan [DP+EP+XK+Veloce] | | | | | ?th |
| 1.11.1958 | Preliminary Palm Springs [BP+CP+DP+EP] | 15 | XK120 M | Dick Wells | Richard Wells | DNA |
| 1.11.1958 | Preliminary Palm Springs [Ladies+FIII] | 27 | XK150 S | Dorothy LeRoy Quick | Dorothy LeRoy Quick | DNA |
| 1.11.1958 | Preliminary Palm Springs [BP+CP+DP+EP] | 27 | XK150 S | Howard Quick | Dorothy LeRoy Quick | DNA |
| 2.11.1958 | SCCA National Palm Springs [BP+CP+DP] | 15 | XK120 M | Dick Wells | Richard Wells | 4th |
| 2.11.1958 | SCCA National Palm Springs [BP+CP+DP] | 27 | XK150 S | Howard Quick | Dorothy LeRoy Quick | DNF |
| 2.11.1958 | Palm Springs [Exhibition] | 27 | D-type | Bill Krause | Bill Krause | DNA |
| 2.11.1958 | Palm Springs [Ladies+Sedan+FIII] | 27 | XK150 S | Dorothy LeRoy Quick | Dorothy LeRoy Quick | DNA |
| 2.11.1958 | SCCA Regional Oklahoma [Production 3.5+HM] | 40 | | John Abel | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production +2.0] | 40 | | John Abel | | 6th |
| 2.11.1958 | Palm Springs [Exhibition] | 77 | D-type | Bill Leyen | Bill Leyen | DNA |
| 2.11.1958 | SCCA Regional Oklahoma [Production +2.0] | | | Ben Ellis | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 3.5+HM] | | | Ben Ellis | | ?th |
| 2.11.1958 | SCCA Regional Oklahoma [Production +2.0] | | XK150 S | Bill Horton | | raced |
| 2.11.1958 | SCCA Regional Oklahoma [Production +2.0] | | XK140 | Homer Frazier | | 4th |
| 2.11.1958 | SCCA Regional Oklahoma [Production 3.5+HM] | | XK140 | Homer Frazier | | DNF |
| 9.11.1958 | SCCA Regional Laguna Seca [BP+CP+DP] | 6 | XK150 S | Roger Mace | Mark Elmo | raced |
| 9.11.1958 | SCCA Regional Laguna Seca [BP+CP+DP] | 119 | XK120 | Dennis Sullivan | Dennis Sullivan | DNA |
| 9.11.1958 | SCCA Regional Laguna Seca [BM+CM+DM] | 204 | Special | Don Hulette | | 6th |
| 9.11.1958 | SCCA Regional Laguna Seca [BM+CM+DM] | 227 | D-type | Bill Krause | Bill Krause | DNF |
| 9.11.1958 | SCCA Regional Laguna Seca [BP+CP+DP] | | | A. K. Neilson | | DNF |
| 15.11.1958 | 9 h Johannesburg | 38 | XK120 | Gomes / Pinheiro | Africa Motores Ltda. | 14th |
| 16.11.1958 | Preliminary Marlboro [BP+CP+DP+EP] | 25 | XK140 MC | J. Kendrick | | 14th |
| 16.11.1958 | SCCA Regional Marlboro [BM+EM+FM+GM+BP+CP+DP] | 25 | XK140 MC | Henry Grimes | | 15th |
| 16.11.1958 | SCCA Regional Marlboro [BM+EM+FM+GM+BP+CP+DP] | 49 | XK140 MC | Charlie Hayes | | 14th |
| 16.11.1958 | Preliminary Marlboro [BP+CP+DP+EP] | 49 | XK140 MC | Hayes | | 8th |
| 16.11.1958 | Preliminary Marlboro [BP+CP+DP+EP] | 100 | XK120 | R. Haas | | DNF |
| 22.11.1958 | 6 h Pomona | | D-type | Blackwell / Miles | Carlyle Blackwell, Jr. | 1st |
| 22.11.1958 | 6 h Pomona | | Special | Hulette / Hauser | | raced |
| 23.11.1958 | Pomona [BP+CP+DP+EP] | | XK120 | Black | | DNF |
| 30.11.1958 | Hammond [Main] | 17 | D-type | Bill Fuller | | raced |
| 30.11.1958 | Phoenix [Main] | | XK120 M | Dick Wells | | 11th |
| 30.11.1958 | Hammond [Main] | | C-type | Mason O'Keiff | | 3rd |
| 30.11.1958 | Hammond [Main] | | Special | Jaehne | | raced |
| 30.11.1958 | Phoenix [BP+CP+DP+EP] | | XK120 M | Dick Wells | | ?th |
| 30.11.1958 | Phoenix [Production] | | XK120 M | Dick Wells | | 8th |
| 30.11.1958 | Hammond [Novice +1.6] | | Special | Jaehne | | 1st |
| 7.12.1958 | Nassau Trophy | 40N | XK | Lou Kennedy | | DNA |
| 7.12.1958 | Nassau Trophy | 50 | D-type | Robert Harrison | | DNA |
| 7.12.1958 | Nassau Trophy | | D-type | George Constantine | | DNA |
| 26.12.1958 | BRSCC Brands Hatch [GT] | 69 | XK120 | Bill Llewellyn | W. Llewellyn | DNA |
| 26.12.1958 | BRSCC Brands Hatch [R/S +1.2] | | C-type | Tom Candlish | | raced |