| 3.2.1963 | SCCA Divisional Riverside [CP+DP] | 61 | XK120 M | Frank Saraga | Frank Saraga | DNA |
| 3.2.1963 | SCCA Divisional Riverside [CP+DP] | 110 | XK140 | Jack Ireton-Hewitt | J. Ireton-Hewitt | DNA |
| 3.2.1963 | SCCA Divisional Riverside [CM+DM+EM+FM+GM] | 446 | XK120 | Don Lowe | Jim Shumway | DNA |
| 17.2.1963 | 3 h Daytona | 31 | E-type | Hansgen | B. S. Cunningham | DQ |
| 17.2.1963 | 3 h Daytona | 32 | E-type | Augie Pabst | B. S. Cunningham | 10th |
| 3.3.1963 | SCCA Regional Dodger Stadium [CP+DP] | 61 | XK120 M | Frank Saraga | Frank Saraga | 4th |
| 4.3.1963 | South Pacific Championship | | E-type Lightweight | Bob Jane | | 3rd |
| 17.3.1963 | Snetterton [GT+1.0] | 74 | E-type | H. E. Sargeant | H. Sargent | ?th |
| 17.3.1963 | Snetterton [GT+1.0] | 147 | E-type | Ken Baker | Ken Baker | 1st |
| 23.3.1963 | 12 h Sebring | 20 | E-type Lightweight | McLaren / Hansgen | Briggs S. Cunningham | 8th |
| 23.3.1963 | 12 h Sebring | 21 | E-type | Kimberly / Richards | Briggs S. Cunningham | 19th |
| 23.3.1963 | 12 h Sebring | 22 | E-type | Cunningham / Fitch | Briggs S. Cunningham | DNF |
| 23.3.1963 | 12 h Sebring | 23 | E-type Lightweight | Leslie / Morrill | Kjell Qvalle | 7th |
| 30.3.1963 | Lombank Trophy Snetterton | 49 | D-type | Peter Sutcliffe | P. H. Sutcliffe | DNF |
| 30.3.1963 | Lombank Trophy Snetterton | 51 | E-type Lightweight | Dick Protheroe | Protheroe Cars | DNF |
| 30.3.1963 | Lombank Trophy Snetterton | 52 | E-type Lightweight | Graham Hill | J. Coombs | 1st |
| 30.3.1963 | Kyalami RAT [GT] | | Mark II 3.8 | Chris Griffith | | 1st |
| 31.3.1963 | SCCA Divisional Tucson [AP+BP] | | E-type | | | raced |
| 31.3.1963 | Preliminary Tucson [Novice] | | E-type | Dale Stewart | | 2nd |
| 6.4.1963 | National Open Oulton Park [Sports] | 6 | D-type | Peter Sutcliffe | Peter Sutcliffe | DNA |
| 15.4.1963 | BRSCC Mallory Park [SR+1.0] | 21 | D-type | Peter Skidmore | P. F. Skidmore | 4th |
| 15.4.1963 | BRSCC Mallory Park [Formula Libre] | 21 | D-type | Peter Skidmore | P. F. Skidmore | DNA |
| 15.4.1963 | BRSCC Mallory Park [GT+1.6] | 40 | E-type | David Howard | D. Howard | 4th |
| 15.4.1963 | BRSCC Mallory Park [GT+1.6] | 41 | E-type | Ken Baker | D. R. Fabrications Ltd. | 1st |
| 15.4.1963 | BRSCC Mallory Park [Handicap] | 41 | E-type | Ken Baker | D. R. Fabrications Ltd. | raced |
| 15.4.1963 | Sussex Trophy Goodwood | 47 | E-type Lightweight | Graham Hill | John Coombs | 1st |
| 15.4.1963 | Sussex Trophy Goodwood | 48 | E-type Lightweight | Roy Salvadori | C. T. Atkins | 3rd |
| 15.4.1963 | Sussex Trophy Goodwood | 51 | E-type Lightweight | Dick Protheroe | Dick Protheroe | 4th |
| 15.4.1963 | BRSCC Brands Hatch [GT+2.5] | | XK140 | Eric Falce | | 1st |
| 15.4.1963 | BRSCC Brands Hatch [GT2.5] | | XK140 | Eric Falce | | 3rd |
| 21.4.1963 | SCCA Regional Pomona [AP+BP+CP+DP] | | XK120 M | Frank Saraga | | 10th |
| 21.4.1963 | SCCA Divisional Vineland [AP+BP+CP] | | E-type | Charles Moore | | ?th |
| 28.4.1963 | WJC Charterhall [S+1.6/S1.3C] | 47 | E-type | E. Walker | | DNA |
| 28.4.1963 | WJC Charterhall [GT+1.3] | 47 | E-type | E. Walker | | DNA |
| 28.4.1963 | WJC Charterhall [GT+1.3] | 48 | XK120 | Bob Hamilton | R. Hamilton | DNA |
| 28.4.1963 | WJC Charterhall [S+1.6/S1.3C] | 48 | XK120 | Bob Hamilton | R. Hamilton | DNA |
| 28.4.1963 | WJC Charterhall [S+1.6/S1.3C] | 49 | XK120 | Frieddie Gill | | DNA |
| 28.4.1963 | WJC Charterhall [GT+1.3] | 49 | XK120 | Frieddie Gill | | DNA |
| 28.4.1963 | WJC Charterhall [GT+1.3] | 51 | 3.4 | Jackie Stewart | | DNA |
| 28.4.1963 | WJC Charterhall [GT+1.3] | 53 | 3.4 | Jim Dryden | | DNA |
| 28.4.1963 | WJC Charterhall [GT+1.3] | 54 | XK120 | J. E. James | | DNA |
| 28.4.1963 | WJC Charterhall [GT+1.3] | 60 | E-type | R. M. Scarth | | 3rd |
| 28.4.1963 | WJC Charterhall [GT+1.3] | 61 | E-type | Ronnie Morrison | R. F. Morrison | 1st |
| 28.4.1963 | SCCA National Virginia [CP+DP+EP] | 96 | XK120 | Tom Foreman | | 4th |
| 28.4.1963 | WJC Charterhall [S+1.6/S1.3C] | | E-type | Jackie Stewart | | 1st |
| 3.5.1963 | GP Japan [Race 1] | 14 | E-type | Robert Baxter | | 6th |
| 4.5.1963 | GP Japan [Race 2] | 14 | E-type | Robert Baxter | | 7th |
| 4.5.1963 | LCCC Oulton Park [T+1.6/GT] | 58 | Mark II 3.8 | Jack Newman | Jack Newman | 7th |
| 4.5.1963 | LCCC Oulton Park [T+1.6/GT] | 62 | XK120 | Ken Coffey | Ken Coffey | DNF |
| 4.5.1963 | LCCC Oulton Park [T+1.6/GT] | 92 | E-type | Brian Whitmarsh | Brian Whitmarsh | DNS |
| 4.5.1963 | LCCC Oulton Park [T+1.6/GT] | 116 | E-type | Jackie Stewart | Dumbuck Garage | DNF |
| 4.5.1963 | GP Japan [Race 2] | | D-type | Francis Francis | | 8th |
| 5.5.1963 | SM Skarpnäck [S+1.15] | 16 | | Tom Trana | | DNA |
| 5.5.1963 | SM Skarpnäck [S+1.15] | 22 | E-type | Åke Lindberg | Stockholms SVK | 5th |
| 5.5.1963 | Targa Florio | 122 | E-type | Baggio / Ravetto | Clemente Ravetto | 21st |
| 5.5.1963 | DARM GT Trier [GT4.0] | | E-type | Ed Zeller | | 4th |
| 5.5.1963 | DARM GT Trier [GT4.0] | | E-type | Heinz Becker | | 3rd |
| 5.5.1963 | Targa Florio | | E-type | John Coundley | John Coundley | DNA |
| 5.5.1963 | DARM GT Trier [GT4.0] | | E-type | Schmitz | | 6th |
| 10.5.1963 | SCCA Regional Cumberland | 3 | XK120 | R. P. Schulze | R. P. Schulze | DNA |
| 11.5.1963 | Silverstone International [GT] | 43 | E-type Lightweight | Graham Hill | John Coombs | 1st |
| 11.5.1963 | Silverstone International [GT] | 44 | E-type Lightweight | Roy Salvadori | C. T. Atkins | 2nd |
| 11.5.1963 | Silverstone International [GT] | 45 | E-type Lightweight | Dick Protheroe | Protheroe Cars | 3rd |
| 11.5.1963 | Novice Cotati [CP+DP+EP] | 317 | XK140 | LaVon Cullum | LaVon Cullum | DNA |
| 12.5.1963 | SCCA Divisional Cotati [AP+BP+CP+DP] | 66 | E-type | Merle Brennan | Kjell Qvale | 4th |
| 12.5.1963 | SCCA National Cumberland [AP+CP] | 94 | XK120 | Tom Foreman | Tom Foreman | 11th |
| 12.5.1963 | SCCA Divisional Cotati [AP+BP+CP+DP] | 220 | XK120 | Dave Houser | Dave G. Houser | 19th |
| 18.5.1963 | BARC Goodwood [Sports] | 19 | E-type | Birch / Dodd | F. B. Birch | DNA |
| 18.5.1963 | BARC Goodwood [Sports] | 20 | XK120 | Eric Brown | E. G. Brown | DNA |
| 18.5.1963 | BARC Goodwood [Sports] | 21 | D-type | Coundley / Coundley | J. O. Coundley | DNA |
| 18.5.1963 | BARC Goodwood [Handicap B] | 22 | D-type | James Boothby | F. J. Rocker | DNA |
| 18.5.1963 | BARC Goodwood [Sports] | 22 | D-type | James Boothby | F. J. Rocker | DNA |
| 18.5.1963 | BARC Goodwood [Handicap B] | 23 | D-type | Peter Skidmore | P. F. Skidmore | DNA |
| 18.5.1963 | BARC Goodwood [Sports] | 23 | D-type | Peter Skidmore | P. F. Skidmore | DNA |
| 18.5.1963 | BARC Goodwood [Formula Libre] | 23 | D-type | Peter Skidmore | P. F. Skidmore | DNA |
| 18.5.1963 | BARC Goodwood [Handicap B] | 141 | XK120 | Raymond Nash | R. T. Nash | DNA |
| 18.5.1963 | 6 h South Africa | | Mark II 3.8 | Fraser Jones / Griffith | | 6th |
| 1963 | SCCA Divisional Mansfield [Main] | | D-type | Bill Fuller | | 1st |
| 1963 | SCCA Divisional Mansfield [other] | | Mark II 3.8 | Jim Wise | | ?th |
| 1963 | SCCA Divisional Mansfield [Main] | | XK150 | Dave Dooley | | ?th |
| 1963 | SCCA Divisional Waterford Hills [AP+BP] | | E-type | Joe Mulholland | | DNF |
| 1963 | Silverstone | | E-type Lightweight | Peter Sargent | | 1st |
| 1963 | Silverstone | | E-type Lightweight | Peter Sargent | | 1st |
| 1963 | Snetterton | | E-type Lightweight | Peter Sutcliffe | Peter Sutcliffe | 4th |