| 27.3.1955 | Main Palm Springs [S+1.5] | 5 | XK120 | Al Cracknell | Ned H. Yarter | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 18 | C-type | Carlyle Blackwell | Carlyle Blackwell | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 27 | XK120 M | Skip Conklin | Skip Bill Conklin | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 34 | Special | Edward Wilder | Ed Wilder | raced |
| 27.3.1955 | Main Palm Springs [S+1.5] | 40 | XK120 M | Skip Swartky | C. A. Painter | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 52 | Special | Jay Chamberlain | Jay Chamberlain | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 57 | XK140 | Warren Wallis | Warren Wallis | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 85 | XK120 | John McGregor | John McGregor | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 97 | XK120 M | Diane Clark | Fred Koepke | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 103 | XK120 M | Ces Critchlow | Ces Critchlow | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 108 | XK120 M | Hank Montonen | Henry J. Montonen | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 110 | XK120 M | Herb Jones | Herb Jones | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 135 | XK140 | Ronald Mayo | Ronald Mayo | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 138 | XK120 | Hogan / Hogan | Hugh I. Irwin | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 153 | XK120 M | William Leach | Wm. Leach | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 157 | XK120 | Tommy Jamieson | Tommy Jamieson | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 166 | XK120 M | Bob Dickson | Bob Dickson | DNA |
| 27.3.1955 | Main Palm Springs [S+1.5] | 195 | XK120 | Bill Miller | Bill Miller | DNA |
| 2.4.1955 | British Empire Trophy | 49 | XK120 LT | Bob Berry | J. C. Broadhead | DNQ |
| 2.4.1955 | British Empire Trophy | 50 | C-type | Dan Margulies | D. Margulies | 18th |
| 2.4.1955 | British Empire Trophy | 51 | D-type | Duncan Hamilton | Duncan Hamilton | 7th |
| 2.4.1955 | British Empire Trophy | 52 | C-type | David Boston | D. Boston | DNQ |
| 2.4.1955 | British Empire Trophy | 53 | C-type | Joe Kelly | J. Kelly | DNQ |
| 2.4.1955 | British Empire Trophy | 54 | C-type | Ninian Sanderson | Ecurie Ecosse | 16th |
| 2.4.1955 | British Empire Trophy | 55 | C-type | Peter Blond | P. Blond | DNQ |
| 3.4.1955 | Giro di Sicilia | 351 | XK120 | Vella / Faldetta | | 26th |
| 3.4.1955 | Giro di Sicilia | 442 | XK120 | Vella / Faldetta | | DNA |
| 9.4.1955 | National Castle Combe [Sports] | 67 | C-type | Gil Tyrer | | 4th |
| 9.4.1955 | National Castle Combe [Sports] | | C-type | Dan Margulies | | 1st |
| 11.4.1955 | BRSCC Brands Hatch [Sports] | 43 | C-type | Gil Tyrer | | 6th |
| 12.4.1955 | Goodwood Easter [S+2.0] | 72 | D-type | Duncan Hamilton | Duncan Hamilton | 3rd |
| 12.4.1955 | Goodwood Easter [S+2.0] | 73 | D-type | Horace Gould | Goulds Garage | DNA |
| 12.4.1955 | Goodwood Easter [S+2.0] | 74 | C-type | Tony Rolt | Ecurie Ecosse | 4th |
| 12.4.1955 | Goodwood Easter [S+2.0] | 75 | C-type | Robin Carnegie | J. Keeling | 14th |
| 12.4.1955 | Goodwood Easter [S+2.0] | 76 | C-type | Peter Blond | P. Blond | 9th |
| 12.4.1955 | Goodwood Easter [S+2.0] | 77 | C-type | Dan Margulies | D. Margulies | 15th |
| 12.4.1955 | Goodwood Easter [S+2.0] | 78 | XK120 LT | Bob Berry | R. E. Berry | 8th |
| 12.4.1955 | Goodwood Easter [S+2.0] | 79 | XK120 | P. Cunliffe-Lister | P. Cunliffe-Lister | 19th |
| 16.4.1955 | WJC Charterhall [Sports] | 36 | C-type | Ninian Sanderson | J. K. Hunter | 2nd |
| 16.4.1955 | WJC Charterhall [Racing] | 36 | C-type | Freddy Stang | J. K. Hunter | DNA |
| 16.4.1955 | WJC Charterhall [Sports] | 42 | C-type | Gil Tyrer | G. Tyrer | DNA |
| 16.4.1955 | WJC Charterhall [Racing] | 42 | C-type | Gil Tyrer | G. Tyrer | DNA |
| 16.4.1955 | WJC Charterhall [Racing] | 44 | C-type | Dan Margulies | D. Margulies | raced |
| 16.4.1955 | WJC Charterhall [Sports] | 44 | C-type | Dan Margulies | D. Margulies | raced |
| 16.4.1955 | WJC Charterhall [Sports] | 46 | XK120 | R. Joicey | R. Joicey | DNA |
| 16.4.1955 | WJC Charterhall [Sports] | 47 | XK120 M | Mike Salmon | P. M. Salmon | DNA |
| 16.4.1955 | BDC Oulton Park [S3.5/S+3.5] | 55 | XK120 | Neal Denson | Neal Denson | 6th |
| 16.4.1955 | BDC Oulton Park [Handicap S3.5/S+3.5] | 55 | XK120 | Neal Denson | Neal Denson | DNF |
| 16.4.1955 | ECMC Snetterton [S2.5] | | XK120 | Ray Playford | | 2nd |
| 16.4.1955 | ECMC Snetterton [Handicap] | | XK120 | D. B. Millbank | | 2nd |
| 16.4.1955 | ECMC Snetterton [S2.5] | | XK120 | Jimmy Shand | | 1st |
| 16.4.1955 | ECMC Snetterton [Closed Car Handicap] | | XK120 | Ray Playford | | 1st |
| 17.4.1955 | SCCA National Pebble Beach [CP+DP+EP] | 163 | XK120 | Ignacio Lozano | | 1st |
| 17.4.1955 | Willcox [Production +1.5] | | XK120 M | Charles Royal | | 1st |
| 17.4.1955 | Willcox [Ladies] | | XK120 M | M. Crane | | 2nd |
| 17.4.1955 | Willcox [Main] | | XK120 M | B. Costa | | 4th |
| 17.4.1955 | Willcox [Production +1.5] | | XK140 MC | Ken Hardy | | 3rd |
| 17.4.1955 | Willcox [Production +1.5] | | XK120 M | B. Costa | | 2nd |
| 17.4.1955 | Willcox [Novice] | | XK120 M | Charles Royal | | 2nd |
| 17.4.1955 | Coupes de Paris | | D-type | Duncan Hamilton | Duncan Hamilton | 2nd |
| 17.4.1955 | SCCA National Pebble Beach [BM+CM+DM+EM] | | XK120 M | Lou Brero | | 4th |
| 17.4.1955 | Coupes de Paris | | C-type | John Hogg | | 18th |
| 17.4.1955 | Coupes de Paris | | | C. de Castro | | 14th |
| 17.4.1955 | Coupes de Paris | | C-type | John Keeling | | DNS |
| 17.4.1955 | SCCA National Pebble Beach [CP+DP+EP] | | XK140 MC | Jerry Austin | | 2nd |
| 17.4.1955 | SCCA National Pebble Beach [CP+DP+EP] | | XK120 M | Peterson | | 4th |
| 17.4.1955 | SCCA National Pebble Beach [CP+DP+EP] | | XK140 MC | Bob Weller | | 3rd |
| 17.4.1955 | SCCA National Pebble Beach [BM+CM+DM+EM] | | XK120 LT Silverstone | Charles Fifield | | 5th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 1 | XK120 M | Richard Perrin | | 4th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 2 | XK120 M | John Knight | | 8th |
| 24.4.1955 | SCCA Regional Thompson [CP+FM] | 3 | XK120 | Gordon MacKenzie | | 5th |
| 24.4.1955 | SCCA Regional Thompson [UR+CM+FIII] | 4 | XK120 M | John B. Mull | | 5th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 5 | XK120 M | Russ Boss | | 2nd |
| 24.4.1955 | SCCA Regional Thompson [CP] | 6 | XK120 M | George Constantine | | 1st |
| 24.4.1955 | SCCA Regional Thompson [CP+FM] | 7 | XK120 | John Sinclair | | 4th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 8 | XK120 M | Art Simmons | | 7th |
| 24.4.1955 | SCCA Regional Thompson [CP+FM] | 9 | XK120 | P. Turchon | | 6th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 12 | XK120 M | F. Voorhees | | 9th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 14 | XK120 MC | Leslie Gaylord | | 6th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 15 | XK120 M | Gerald Lehrer | | 10th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 33 | XK120 M | Dan Boylan | | 5th |
| 24.4.1955 | SCCA Regional Thompson [CP] | 80 | XK120 M | Harry Carter | | 3rd |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 48 | C-type | David Boston | David Boston | ?th |
| 30.4.1955 | NSMC Oulton Park [Formula Libre] | 48 | C-type | David Boston | David Boston | 2nd |
| 30.4.1955 | NSMC Oulton Park [Formula Libre] | 49 | XK120 LT | Bob Berry | Bob Berry | DNA |
| 30.4.1955 | NSMC Oulton Park [Production Sports Handicap] | 50 | XK120 | V. C. Leedam | V. C. Leedam | DNA |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 51 | C-type | Gil Tyrer | Gillie Tyrer | DNA |
| 30.4.1955 | NSMC Oulton Park [Sports Unlimited] | 51 | C-type | Gil Tyrer | Gillie Tyrer | DNA |
| 30.4.1955 | NSMC Oulton Park [Formula Libre] | 51 | C-type | Gil Tyrer | Gillie Tyrer | DNA |
| 30.4.1955 | NSMC Oulton Park [Production Sports Handicap] | 53 | XK120 | George Towse | George Towse | DNA |
| 30.4.1955 | NSMC Oulton Park [Sports Unlimited] | 54 | XK120 | Grahame Maude | G. Maude Racing Ecurie | DNA |
| 30.4.1955 | NSMC Oulton Park [Production Sports Handicap] | 54 | XK120 | Grahame Maude | G. Maude Racing Ecurie | DNA |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 54 | XK120 | Grahame Maude | G. Maude Racing Ecurie | DNA |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 71 | XK120 | Bill Towse | Bill Towse | DNA |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 77 | XK120 | Tony Davenport | Anthony Davenport | DNA |
| 30.4.1955 | NSMC Oulton Park [Closed Car Handicap] | 83 | Mk V | E. D. Pocknell | E. D. Pocknell | DNA |
| 30.4.1955 | National Ibsley [Formula Libre] | 131 | C-type | Robin Carnegie | | DNF |
| 30.4.1955 | National Ibsley [S+1.5] | 138 | C-type | | | 3rd |
| 30.4.1955 | National Ibsley [Formula Libre] | 138 | C-type | Peter Blond | D. Margulies | 5th |
| 30.4.1955 | National Ibsley [Formula Libre] | 139 | C-type | Graham Hill | | 6th |