| 6.4.1957 | British Empire Trophy | 60 | #XKC 046 | Lord Ebury | Lord Ebury | 31st |
| 22.4.1957 | NSCC Mallory Park [Formula Libre] | 6 | | Peter Mould | P. Mould | DNA |
| 22.4.1957 | NSCC Mallory Park [S+2.0] | 6 | | Peter Mould | P. Mould | 4th |
| 22.4.1957 | NSCC Mallory Park [S+2.0] | 39 | #XKC 046 | Lord Ebury | The Lord Ebury | 2nd |
| 22.4.1957 | NSCC Mallory Park [Formula Libre] | 39 | #XKC 046 | Lord Ebury | The Lord Ebury | DNA |
| 11.5.1957 | BARC Goodwood [Handicap] | | #XKC 047=>XKC 011 | Mike Salmon | | 6th |
| 11.5.1957 | BARC Goodwood [Handicap] | | #XKC 047=>XKC 011 | Mike Salmon | | 2nd |
| 12.5.1957 | Eläintarhanajo | 16 | #XKC 044 | Holger Laine | | DNA |
| 18.5.1957 | Preliminary Santa Barbara [BM+CM+DM+EM] | 18 | #XKC 007 | Carlyle Blackwell | Carlyle Blackwell | 8th |
| 18.5.1957 | Autosport Silverstone [Production] | | | John Bekaert | | 1st |
| 18.5.1957 | Autosport Silverstone [Production] | | #XKC 047=>XKC 011 | Mike Salmon | | 2nd |
| 19.5.1957 | Santa Barbara [S+1.5] | 18 | #XKC 007 | Carlyle Blackwell | Carlyle Blackwell | 9th |
| 19.5.1957 | BRSCC Brands Hatch [Sports Unlimited] | | #XKC 047=>XKC 011 | Mike Salmon | | raced |
| 19.5.1957 | Coffeyville [CM+DM+EM+BP+CP+DP] | | | Todd Aikens | | DNS |
| 19.5.1957 | BRSCC Brands Hatch [Sports Unlimited] | | | John Bekaert | | 5th |
| 25.5.1957 | LCCC Oulton Park [Racing Handicap] | 41 | | Peter Mould | Peter Mould | DNA |
| 25.5.1957 | LCCC Oulton Park [Handicap II] | 41 | | Peter Mould | Peter Mould | DNA |
| 25.5.1957 | LCCC Oulton Park [S3.0/S+3.0] | 41 | | Peter Mould | Peter Mould | DNA |
| 1.6.1957 | 8 Clubs Silverstone [Scratch] | | | John Bekaert | | 3rd |
| 2.6.1957 | Preliminary Eagle Mountain [BM+CM+DM+EM+FM+GM] | 22 | #XKC 020 | Mason O'Keiff | | DNF |
| 9.6.1957 | National Zandvoort Easter [S+1.5] | 33 | #XKC 019 | Hans van Dieten | | raced |
| 9.6.1957 | National Zandvoort Easter [S2.7]+[S+2.7] | | | Rob Slotemaker | | 2nd |
| 9.6.1957 | National Zandvoort Easter [S+1.5] | | | Rob Slotemaker | | 4th |
| 10.6.1957 | NSCC Mallory Park [Formula Libre/Sports] | 43 | | John Bekaert | J. Bekaert | DNA |
| 15.6.1957 | BARC Aintree [S2.0/S+2.0 non s/c] | | #XKC 047=>XKC 011 | Mike Salmon | M. Salmon | 7th |
| 15.6.1957 | BARC Aintree [S2.0/S+2.0 non s/c] | | #XKC 053? | Gil Tyrer | G. Tyrer | 1st |
| 15.6.1957 | BARC Aintree [Handicap B] | | #XKC 053? | Gil Tyrer | G. Tyrer | 3rd |
| 22.6.1957 | MCC Silverstone [Motor Sport Trophy Handicap] | | | John Bekaert | | 1st |
| 22.6.1957 | MCC Silverstone [Scratch] | | | John Bekaert | | 1st |
| 29.6.1957 | MMEC Silverstone [Unlimited] | | | Peter Mould | | 1st |
| 30.6.1957 | WJC Charterhall [Racing] | 35 | #XKC 053? | Gil Tyrer | G. Tyrer | 2nd |
| 30.6.1957 | WJC Charterhall [S+2.0] | 35 | #XKC 053? | Gil Tyrer | G. Tyrer | 1st |
| 6.7.1957 | Autosport Mallory Park [PS] | 51 | #XKC 047=>XKC 011 | Mike Salmon | | 3rd |
| 7.7.1957 | Preliminary Galveston [BM+CM+DM+EM+FM] | | #XKC 020 | Mason O'Keiff | | 6th |
| 27.7.1957 | ADMC Crimond [Sports] | 3 | | J. G. Williamson | J. G. Williamson | DNA |
| 28.7.1957 | Autosport Snetterton [Production] | 25 | #XKC 008 | John Bekaert | Ecurie Anglo-Belge | 2nd |
| 28.7.1957 | Autosport Snetterton [Production] | 26 | #XKC 047=>XKC 011 | Mike Salmon | Ecurie Anglo-Belge | 6th |
| 28.7.1957 | Autosport Snetterton [Production] | 28 | #XKC 038 | Peter Mould | Peter Mould | 3rd |
| 5.8.1957 | Autosport Brands Hatch [Production] | | | John Bekaert | | 3rd |
| 6.8.1957 | NSCC Mallory Park [S+1.5] | 39 | | Peter Mould | P. Mould | 3rd |
| 11.8.1957 | Hatfield [UR+FIII] | | | J. Scott | | 5th |
| 18.8.1957 | SCCA National Montgomery [CM+DM+EM] | 52 | #XKC 030 | Gordon MacKenzie | | 15th |
| 31.8.1957 | Preliminary Santa Barbara [Modified +1.5] | 17 | | Tom Groskritz | | DNF |
| 31.8.1957 | Preliminary Santa Barbara [Modified +1.5] | 18 | #XKC 007 | Carlyle Blackwell | | DNS |
| 1.9.1957 | Santa Barbara [BM+CM+DM+EM] | 17 | | Tom Groskritz | | DNQ |
| 1.9.1957 | Consolation Santa Barbara [Modified+FIII] | 17 | | Tom Groskritz | | 13th |
| 1.9.1957 | Consolation Santa Barbara [Modified+FIII] | 18 | #XKC 007 | Carlyle Blackwell | | 2nd |
| 1.9.1957 | Santa Barbara [BM+CM+DM+EM] | 18 | #XKC 007 | Carlyle Blackwell | | 13th |
| 1.9.1957 | SCCA National Thompson [CM+DM+EM] | 52 | #XKC 030 | Gordon MacKenzie | | 5th |
| 1.9.1957 | Mansfield [BM+CM+DM+EM+FM+GM] | | #XKC 020 | Mason O'Keiff | | 5th |
| 1.9.1957 | Preliminary Mansfield [BM+CM+DM+BP+CP] | | #XKC 020 | Mason O'Keiff | | raced |
| 2.9.1957 | 1 h Thompson [CM+DM+EM+FM+GM+HM+UR] | 52 | #XKC 030 | Gordon MacKenzie | | 4th |
| 7.9.1957 | Sunbac Silverstone [S+1.5] | | | Peter Mould | | 3rd |
| 8.9.1957 | 500 mile Road America | 22 | | Louden / Gatz | Robert Louden | 28th |
| 14.9.1957 | Silverstone International [S+1.5] | 71 | | Peter Mould | | DNA |
| 21.9.1957 | GP Watkins Glen | 52 | #XKC 030 | Gordon MacKenzie | | 14th |
| 22.9.1957 | NSCC Mallory Park [S+1.5] | 30 | | Peter Mould | P. Mould | DNA |
| 28.9.1957 | National Open Goodwood Trophy | 6 | #XKC 038 | Peter Mould | | raced |
| 28.9.1957 | PMC Silverstone [S+1.5] | | | John Bekaert | | 4th |
| 29.9.1957 | SCCA National Bridgehampton [BM+CM+DM+EM] | 52 | #XKC 030 | Gordon MacKenzie | | DNS |
| 5.10.1957 | NSMC Silverstone [Handicap] | | | Peter Mould | | 3rd |
| 5.10.1957 | NSMC Silverstone [Formula Libre] | | | Peter Mould | | 5th |
| 5.10.1957 | NSMC Silverstone [Unlimited] | | | Peter Mould | | 3rd |
| 6.10.1957 | SCCA Regional Thompson [CM+UR+FIII] | 52 | #XKC 030 | Gordon MacKenzie | | 8th |
| 6.10.1957 | National Brands Hatch [Production] | | #XKC 047=>XKC 011 | Mike Salmon | | 2nd |
| 12.10.1957 | LCCC Oulton Park [Handicap A] | 43 | | Peter Mould | Peter Mould | DNF |
| 12.10.1957 | LCCC Oulton Park [S2.7/S+2.7] | 43 | | Peter Mould | Peter Mould | 17th |
| 12.10.1957 | LCCC Oulton Park [FL] | 43 | | Peter Mould | Peter Mould | DNF |
| 12.10.1957 | 3 h Autosport | | | John Bekaert | | 2nd |
| 20.10.1957 | SCCA Regional Thompson [CM+DM+EM+FM+UR] | 52 | #XKC 030 | Gordon MacKenzie | | 3rd |
| 10.11.1957 | LISCA Lime Rock [BM+CM+FM+GM] | | #XKC 032 | J. Scott | | DNS |
| 10.11.1957 | LISCA Lime Rock [BM+CM+FM+GM] | | #XKC 030 | Gordon MacKenzie | | 2nd |
| 8.12.1957 | Phoenix [Modified] | 21 | | Robert Baker | | 5th |