| 17.8.1957 | 1 h Harewood Acres | 107 | | William Klinck | Paul Phofl | DNA |
| 18.8.1957 | SCCA National Montgomery [CM+DM+EM] | 60 | #XKD 508 | Walt Hansgen | Briggs Cunningham | 1st |
| 25.8.1957 | GP RACB Spa | 2 | | Ron Flockhart | Ecurie Ecosse | DNA |
| 25.8.1957 | GP RACB Spa | 4 | #XKD 603 | Jack Fairman | Ecurie Ecosse | NC |
| 25.8.1957 | GP RACB Spa | 5 | | Jock Lawrence | Ecurie Ecosse | DNF |
| 25.8.1957 | GP RACB Spa | 6 | #XKD 517 | Brian Naylor | Naylor | 5th |
| 25.8.1957 | GP RACB Spa | 7 | | Alain de Changy | Equipe Nationale Belge | 11th |
| 25.8.1957 | GP RACB Spa | 8 | | Ivor Bueb | Bueb | DNF |
| 25.8.1957 | GP RACB Spa | | | Lucien Bianchi | Equipe Nationale Belge | ?th |
| 25.8.1957 | GP RACB Spa | | | Wolfgang Seidel | | 8th |
| 31.8.1957 | Preliminary Santa Barbara [Modified +1.5] | 178 | #XKD 528 | Pete Woods | | 2nd |
| 31.8.1957 | BARC Goodwood [Handicap] | | #XKD 518 | Jonathan Sieff | | 5th |
| 1.9.1957 | SCCA National Thompson [CM+DM+EM] | 49 | #XKD 545 | George Constantine | | DNF |
| 1.9.1957 | SCCA National Thompson [CM+DM+EM] | 60 | | Walt Hansgen | Briggs Cunningham | 1st |
| 1.9.1957 | SCCA National Thompson [CM+DM+EM] | 61 | | Russ Boss | Briggs Cunningham | 3rd |
| 1.9.1957 | Santa Barbara [BM+CM+DM+EM] | 178 | #XKD 528 | Pete Woods | | DNF |
| 1.9.1957 | Preliminary Mansfield [BM+CM+DM+BP+CP] | | | C. K. Thompson | | raced |
| 1.9.1957 | Mansfield [BM+CM+DM+EM+FM+GM] | | | C. K. Thompson | | raced |
| 8.9.1957 | 500 mile Road America | 43 | #XKD 536 | Skogmo / Larson | Don R. Skogmo | 14th |
| 8.9.1957 | 500 mile Road America | 61 | | Hansgen / Forno | Briggs Cunningham | DNF |
| 8.9.1957 | 500 mile Road America | 62 | | Bennett / Wallace | Briggs Cunningham | 5th |
| 8.9.1957 | 500 mile Road America | 63 | | Cunningham / Boss | Briggs Cunningham | DNA |
| 14.9.1957 | Silverstone International [S+1.5] | 61 | | Ron Flockhart | Ecurie Ecosse | raced |
| 14.9.1957 | Silverstone International [S+1.5] | 63 | #XKC 402 | Duncan Hamilton | | DNF |
| 14.9.1957 | Silverstone International [S+1.5] | 64 | #XKC 403 | Ivor Bueb | J. Broadhead | raced |
| 14.9.1957 | Silverstone International [S+1.5] | 69 | #XKD 502 | Maurice Charles | | DNA |
| 14.9.1957 | Silverstone International [S+1.5] | 78 | #XKD 517 | Henry Taylor | Murkett Brothers | raced |
| 15.9.1957 | Torreón | | #XKD 554 | Julio Mariscal | | 2nd |
| 21.9.1957 | GP Watkins Glen | 17 | #XKD 538 | Jack Ensley | | 10th |
| 21.9.1957 | GP Watkins Glen | 60 | | Walt Hansgen | Briggs Cunningham | 1st |
| 21.9.1957 | GP Watkins Glen | 61 | | Ed Crawford | Briggs Cunningham | 4th |
| 21.9.1957 | GP Watkins Glen | 62 | | Briggs Cunningham | Briggs Cunningham | 8th |
| 21.9.1957 | Preliminary Riverside [Modified +1.5] | 133 | #XKD 527 | Jerry Austin | Jerry Austin | 6th |
| 21.9.1957 | Preliminary Riverside [Modified +1.5] | 178 | #XKD 528 | Pete Woods | Ronald Milosevich | 2nd |
| 22.9.1957 | Riverside [BM+CM+DM+EM] | 133 | #XKD 527 | Jerry Austin | Jerry Austin | DNF |
| 22.9.1957 | Riverside [BM+CM+DM+EM] | 178 | #XKD 528 | Pete Woods | Ronald Milosevich | DNF |
| 22.9.1957 | GP Angola | | | John Manussis | | DNS |
| 28.9.1957 | National Open Goodwood Trophy | 1 | #XKD 517 | Henry Taylor | Murkett Brothers | 3rd |
| 28.9.1957 | National Open Goodwood Trophy | 2 | #XKD 601 | Duncan Hamilton | | 5th |
| 28.9.1957 | National Open Goodwood Trophy | 3 | #XKD 502 | Maurice Charles | | raced |
| 28.9.1957 | Indian Summer Trophy | 9 | #XKD 538 | Jack Ensley | Jack Ensley | DNA |
| 28.9.1957 | Harewood Acres [Modified +1.5] | 9 | #XKD 538 | Jack Ensley | Jack Ensley | DNA |
| 28.9.1957 | National Goodwood [Handicap] | | #XKD 517 | Henry Taylor | | raced |
| 28.9.1957 | PMC Silverstone [S+1.5] | | #XKD 510 | Gerry Ashmore | | 5th |
| 29.9.1957 | SCCA National Bridgehampton [BM+CM+DM+EM] | 60 | | Walt Hansgen | Briggs Cunningham | 1st |
| 29.9.1957 | SCCA National Bridgehampton [BM+CM+DM+EM] | 61 | #XKD 516 | Charles Wallace | Briggs Cunningham | 2nd |
| 29.9.1957 | SCCA National Bridgehampton [BM+CM+DM+EM] | 62 | | Briggs Cunningham | Briggs Cunningham | 19th |
| 29.9.1957 | SCCA National Bridgehampton [BM+CM+DM+EM] | 63 | | Phil Forno | Briggs Cunningham | 9th |
| 29.9.1957 | SCCA Regional Milwaukee [S+1.6] | 103 | #XKD 536 | Don Skogmo | | 1st |
| 29.9.1957 | Willow Springs [Handicap] | | #XKD 519 | Bill Krause | | 1st |
| 29.9.1957 | Willow Springs [Modified] | | #XKD 519 | Bill Krause | | 1st |
| 6.10.1957 | SCCA Regional Thompson [CM+UR+FIII] | 49 | #XKD 545 | George Constantine | | 1st |
| 6.10.1957 | Gainesville [Main] | 77 | | C. K. Thompson, Jr. | | 3rd |
| 6.10.1957 | Gainesville [CM+DM+EM+FM+BP+CP+DP+EP] | 77 | | C. K. Thompson, Jr. | | raced |
| 12.10.1957 | LCCC Oulton Park [Handicap A] | 33 | #XKC 403 | Bob Berry | J. C. Broadhead | 5th |
| 12.10.1957 | LCCC Oulton Park [FL] | 33 | #XKC 403 | Bob Berry | J. C. Broadhead | 4th |
| 12.10.1957 | LCCC Oulton Park [S2.7/S+2.7] | 33 | #XKC 403 | Bob Berry | J. C. Broadhead | 1st |
| 12.10.1957 | LCCC Oulton Park [Handicap A] | 53 | #XKD 518 | Jonathan Sieff | J. Sieff | DNF |
| 12.10.1957 | LCCC Oulton Park [FL] | 53 | #XKD 518 | Peter Blond | J. Sieff | 8th |
| 12.10.1957 | LCCC Oulton Park [S2.7/S+2.7] | 53 | #XKD 518 | Peter Blond | J. Sieff | 5th |
| 12.10.1957 | LCCC Oulton Park [FL] | 111 | #XKD 502 | Maurice Charles | Maurice Charles Motors Ltd. | DNA |
| 12.10.1957 | LCCC Oulton Park [S2.7/S+2.7] | 111 | #XKD 502 | Maurice Charles | Maurice Charles Motors Ltd. | DNA |
| 12.10.1957 | LCCC Oulton Park [Handicap A] | 111 | #XKD 502 | Maurice Charles | Maurice Charles Motors Ltd. | DNA |
| 12.10.1957 | Grand Central [Sports/Production] | | #XKD 512 | Jimmy de Villiers | | 2nd |
| 20.10.1957 | SCCA Regional Thompson [CM+DM+EM+FM+UR] | 49 | #XKD 545 | George Constantine | | 1st |
| 20.10.1957 | SCC-BC Abbotsford [Modified] | 51 | #XKD 558 | Jim Rattenbury | | 2nd |
| 26.10.1957 | Preliminary Pomona [Modified +1.5] | 133 | #XKD 527 | Jerry Austin | Jerry Austin | 4th |
| 27.10.1957 | SCCA National Virginia [BM+CM+DM+EM] | 60 | | Walt Hansgen | B. S. Cunningham | DNF |
| 27.10.1957 | SCCA National Virginia [BM+CM+DM+EM] | 61 | | Wallace / Hansgen | B. S. Cunningham | 1st |
| 27.10.1957 | SCCA National Virginia [BM+CM+DM+EM] | 62 | | Ed Crawford | B. S. Cunningham | 2nd |
| 27.10.1957 | Pomona [S+1.5] | 133 | #XKD 527 | Jerry Austin | Jerry Austin | 4th |
| 17.11.1957 | SCCA National Riverside [BM+CM+DM+EM] | 60 | | Walt Hansgen | Briggs Cunningham | 4th |
| 17.11.1957 | Sidar Airfield | | #XKD 554 | Julio Mariscal | | 2nd |
| 17.11.1957 | 4 h Venice | | | C. K. Thompson | | 1st |
| 17.11.1957 | 4 h Venice | | | H. E. Bollings | | 2nd |
| 6.12.1957 | Preliminary Governor's Trophy [S+2.0] | 14 | #XKD 523 | Walter Huggler | Walter Huggler | DNS |
| 6.12.1957 | Governor's Trophy [S+2.0] | 14 | #XKD 523 | Walter Huggler | Walter Huggler | DNS |
| 7.12.1957 | Preliminary Paramount Ranch [Modified +1.5] | 133 | #XKD 527 | Jerry Austin | | 3rd |
| 8.12.1957 | Nassau Trophy | 35 | #XKD 538 | Jack Ensley | | DNA |
| 8.12.1957 | Nassau Trophy | 60 | #XKD 507 | Walt Hansgen | John Fitch | DNA |
| 8.12.1957 | Paramount Ranch [S+1.5] | 133 | #XKD 527 | Jerry Austin | | 3rd |