| 30.4.1955 | NSMC Oulton Park [Formula Libre] | 48 | C-type | David Boston | David Boston | 2nd |
| 30.4.1955 | NSMC Oulton Park [Sports Unlimited] | 48 | C-type | David Boston | David Boston | 3rd |
| 30.4.1955 | NSMC Oulton Park [Formula Libre] | 49 | XK120 LT | Bob Berry | Bob Berry | DNA |
| 30.4.1955 | NSMC Oulton Park [Sports Unlimited] | 49 | XK120 LT | Bob Berry | Bob Berry | 2nd |
| 30.4.1955 | NSMC Oulton Park [Sports Unlimited] | 50 | XK120 | V. C. Leedam | V. C. Leedam | 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 [Sports Unlimited] | 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 [Handicap] | 71 | XK120 | Bill Towse | Bill Towse | DNA |
| 30.4.1955 | NSMC Oulton Park [Handicap] | 77 | XK120 | Tony Davenport | Anthony Davenport | DNA |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 6 | XK120 | Ned Yarter | H. C. Hoppe and N. H. Yarter | 5th |
| 1.5.1955 | Preliminary Bakersfield [Ladies+FIII] | 6 | XK120 | H. C. Hoppe | H. C. Hoppe | DNA |
| 1.5.1955 | SCCA Regional Thompson [CP+EP] | 6 | XK120 | John Sinclair | | 2nd |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 6 | XK120 | Ned Yarter | H. C. Hoppe - N. H. Yarter | 29th |
| 1.5.1955 | Preliminary Bakersfield [Production] | 6 | XK120 | Ned Yarter | H. C. Hoppe and N. H. Yarter | 4th |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 8 | XK120 M | Al Eurengy | Al Eurengy | DNA |
| 1.5.1955 | SCCA Regional Thompson [CP+EP] | 11 | XK120 | Gordon MacKenzie | | 3rd |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | 14 | XK120 M | Richard Perrin | | 3rd |
| 1.5.1955 | Preliminary Bakersfield [Production] | 17 | XK140 | Jack Ensley | Jack R. Ensley | DNA |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 17 | XK140 | Jack Ensley | Jack R. Ensley | DNA |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 20 | C-type | Jack Douglas | Jack Douglas | 20th |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 27 | XK120 | Ray Brown | Ray Brown | DNA |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 37 | XK120 M | Dave Poole | | 4th |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | 39 | XK120 M | Dan Boylan | | 1st |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | 42 | XK120 M | George Constantine | | 2nd |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 43 | XK120 M | William Fort | | 21st |
| 1.5.1955 | SCCA Regional Thompson [CM+DM] | 51 | XK120 MC | Evelyn Mull | | 4th |
| 1.5.1955 | SCCA Regional Thompson [CM+DM] | 58 | C-type | Jack Crusoe | | 2nd |
| 1.5.1955 | Preliminary Bakersfield [Production] | 61 | XK120 | Jerry Borden | Dr. Jerry Borden | DNA |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 61 | XK120 | Jerry Borden | Dr. Jerry Borden | DNA |
| 1.5.1955 | Preliminary Bakersfield [Production] | 63 | XK120 | Ignacio Lozano | Ignacio E. Lozano | 1st |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 63 | XK120 | Ignacio Lozano | Ignacio E. Lozano | 16th |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 64 | XK120 M | Dick Figueroa | Dick Figueroa | 17th |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 65 | XK120 | Barton Haskell | John Wieber | DNA |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 67 | XK120 | Howard Campbell | Howard H. Campbell | 13th |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 68 | XK120 M | Fred Block | Fred Block | 7th |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 68 | XK120 M | Fred Block | Fred Block | DNS |
| 1.5.1955 | SCCA Regional Thompson [UR] | 75 | Special | John Sinclair | | 2nd |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | 77 | XK120 | Don McComb | | 4th |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 83 | XK140 MC | Jerry Austin | Jerry Austin | 10th |
| 1.5.1955 | Preliminary Bakersfield [Production] | 83 | XK140 MC | Jerry Austin | Jerry Austin | 2nd |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 84 | XK120 | Cloyd Gray | Cloyd Gray | 11th |
| 1.5.1955 | Preliminary Bakersfield [Production] | 84 | XK120 | Cloyd Gray | Cloyd Gray | DNA |
| 1.5.1955 | Preliminary Bakersfield [Production] | 110 | XK120 | Herb Jones | Herbert R. Jones | DNA |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 110 | XK120 | Herb Jones | Herbert Jones | 38th |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 110 | XK120 | Herb Jones | Herbert Jones | 3rd |
| 1.5.1955 | Preliminary Bakersfield [Production] | 144 | XK140 | Don Levinson | Don Levinson | 5th |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 144 | XK140 | Don Levinson | Don Levinson | 18th |
| 1.5.1955 | Preliminary Bakersfield [BM+CM+DM+EM+CP+DP] | 144 | XK140 | Don Levinson | Don Levinson | 12th |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 152 | Special | Jay Chamberlain | Jay Chamberlain | 37th |
| 1.5.1955 | Preliminary Bakersfield [Production] | 183 | XK120 M | Jim Peterson | Jim Peterson | 29th |
| 1.5.1955 | SCCA National Bakersfield [S+1.5] | 183 | XK120 M | Jim Peterson | Jim Peterson | DNS |
| 1.5.1955 | Mille Miglia | 434 | XK140 | John Heath | | 40th |
| 1.5.1955 | Mille Miglia | 719 | C-type | Graham / Sault | | DNF |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK120 M | | | raced |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK120 M | | | raced |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK120 M | | | raced |
| 1.5.1955 | SCCA Regional Thompson [CM+DM] | | XK120 M | John Knight | | raced |
| 1.5.1955 | Cassidy [Novice] | | | Bob Greene | | 3rd |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK140 MC | D. Simonds | | DNF |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK140 MC | Evelyn Mull | | raced |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK140 MC | | | raced |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK120 M | | | raced |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK120 M | | | raced |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK140 MC | Bob Grossman | | raced |
| 1.5.1955 | SCCA Regional Thompson [Jaguar] | | XK140 MC | Harry Carter | | raced |
| 7.5.1955 | Silverstone International | 1 | D-type | Mike Hawthorn | Jaguar Cars | 4th |
| 7.5.1955 | Silverstone International | 2 | D-type | Tony Rolt | Jaguar Cars | 3rd |
| 7.5.1955 | Silverstone International | 3 | D-type | Duncan Hamilton | Jaguar Cars | 5th |
| 7.5.1955 | Silverstone International | 4 | D-type | Jimmy Stewart | Ecurie Ecosse | DNS |
| 7.5.1955 | Silverstone International | 5 | D-type | Desmond Titterington | Ecurie Ecosse | 6th |
| 7.5.1955 | Phoenix Park [Open Handicap Heat 2] | | | Bill Bradshaw | | 3rd |
| 7.5.1955 | Phoenix Park [Open Handicap Heat 1] | | Mk VII | Ronnie Adams | | 2nd |
| 8.5.1955 | Eläintarhanajo | 1 | D-type | Michael Head | Duncan Hamilton | 1st |
| 8.5.1955 | Eläintarhanajo | 2 | C-type | Curt Lincoln | | 2nd |
| 8.5.1955 | 4 h Forez | 4 | XK140 | Otterbein | | DNS |
| 8.5.1955 | Eläintarhanajo | 11 | XK120 | Lord Louth | | DNF |
| 8.5.1955 | Eläintarhanajo [Production] | 12 | XK120 | Olli Järvelin | | 8th |
| 8.5.1955 | Eläintarhanajo [Production] | 13 | XK120 | Fred Geitel | | raced |
| 8.5.1955 | Eläintarhanajo [Production] | 14 | C-type | Curt Lincoln | | 1st |
| 8.5.1955 | GP Spa | 27 | C-type | Dan Margulies | | DNF |
| 8.5.1955 | GP Spa | 28 | C-type | Hans Davids | Peter Blond | 5th |
| 8.5.1955 | GP Spa | 29 | | van Dieten | | DNA |
| 8.5.1955 | GP Spa | 30 | | | | DNA |
| 8.5.1955 | GP Spa | 36 | C-type | Sheid | | 11th |
| 13.5.1955 | Ulster Trophy | 1 | D-type | Desmond Titterington | Ecurie Ecosse | 1st |
| 13.5.1955 | Ulster Trophy | 4 | C-type | Bill Smith | William Smith | 2nd |
| 14.5.1955 | ADMC Crimond [Sports] | 12 | XK120 M | Mike Salmon | P. M. Salmon | 2nd |
| 14.5.1955 | ADMC Crimond [Sports] | 33 | C-type | Jock Lawrence | J. K. Hunter | 1st |
| 14.5.1955 | ADMC Crimond [Production Handicap] | 37 | Mk VII | Joan Lawrence | Mrs. W. Lawrence | ?th |
| 14.5.1955 | MMKMC Silverstone [Sports Unlimited] | 103 | XK120 LT | Bob Berry | | 2nd |
| 14.5.1955 | MMKMC Silverstone [Formula Libre] | 103 | XK120 LT | Bob Berry | | 1st |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 1 | XK120 M | Evelyn Mull | J. B. Mull | 3rd |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 48 | XK120 M | Peggy McClure | G. A. McClure | DNA |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 49 | XK120 M | Mary Constantine | George J. Constantine | DNA |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 133 | XK140 MC | Joan Ellis | Joan Ellis | 4th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 145 | XK140 MC | Richard Kessler | R. Kessler | 1st |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 193 | XK140 MC | Paul Norair | P. H. Norair | 2nd |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 213 | C-type | Margaret Wyllie | Mrs. M. R. J. Wyllie | 2nd |