| 9.6.1951 | 100 mile Bridgehampton | 74 | XK120 | Bob Reider | | 6th |
| 9.6.1951 | Bridgehampton [S+3.0] | 74 | XK120 | Bob Reider | | 7th |
| 9.6.1951 | Bridgehampton [S+3.0] | 78 | XK120 | Harry Grey | Peter Yung | DNF |
| 9.6.1951 | Bridgehampton [S+3.0] | 79 | XK120 | Hector Scheffer | | DNF |
| 9.6.1951 | Bridgehampton [S+3.0] | 81 | XK120 Special Le Mans | John Fitch | Coby Whitmore | 4th |
| 9.6.1951 | Bridgehampton [S+3.0] | 84 | XK120 | Walt Hansgen | | DNF |
| 9.6.1951 | 100 mile Bridgehampton | 86 | XK120 | Logan Hill | | DNF |
| 9.6.1951 | Bridgehampton [S+3.0] | 86 | XK120 | Logan Hill | | 5th |
| 9.6.1951 | Bridgehampton [S+3.0] | 102 | XK120 | Fred Wacker | | 8th |
| 9.6.1951 | 100 mile Bridgehampton | 102 | XK120 | Fred Wacker | | 7th |
| 9.6.1951 | Bridgehampton [S+3.0] | | XK120 | | | raced |
| 10.6.1951 | National Zandvoort [Sports] | 36 | XK120 | Oei Tjong Bo | | 1st |
| 10.6.1951 | National Zandvoort [Sports] | 42 | XK120 | | | raced |
| 14.6.1951 | British Empire Trophy | 27 | XK120 | Peter Binns | | DNS |
| 14.6.1951 | British Empire Trophy | 28 | XK120 | Oscar Moore | | DNS |
| 16.6.1951 | BOC Silverstone [Jaguar XK120] | | XK120 | John B. Swift | | 1st |
| 16.6.1951 | BOC Silverstone [Jaguar XK120] | | XK120 | Mrs. Nancy Binns | | 2nd |
| 16.6.1951 | BOC Silverstone [Jaguar XK120] | | XK120 | C. P. Haslehurst | | 3rd |
| 16.6.1951 | BARC Goodwood [S+3.0] | | XK120 | John Craig | | 1st |
| 16.6.1951 | BARC Goodwood [Handicap A] | | XK120 | John Craig | | raced |
| 17.6.1951 | ADMC Crimond [Sports] | | XK120 | Little | | raced |
| 17.6.1951 | ADMC Crimond [Formula Libre] | | XK120 | | | raced |
| 17.6.1951 | ADMC Crimond [Formula Libre] | | XK120 | Ian Stewart | | raced |
| 17.6.1951 | ADMC Crimond [Sports] | | XK120 | Duncan | | raced |
| 17.6.1951 | ADMC Crimond [Sports] | | XK120 | Gray | | raced |
| 17.6.1951 | ADMC Crimond [Formula Libre] | | XK120 | Fred Mort | | raced |
| 17.6.1951 | GP Portugal | | XK120 | George Wicken | | DNF |
| 17.6.1951 | National Fersfield [Handicap +1.5] | | XK120 | J. H. Sarginson | | 2nd |
| 17.6.1951 | National Fersfield [Handicap +1.5] | | XK120 | Stanley Boshier | | 3rd |
| 17.6.1951 | National Fersfield [S+2.5] | | XK120 | Stanley Boshier | | 1st |
| 17.6.1951 | ADMC Crimond [Sports] | | XK120 | Ian Stewart | | 1st |
| 17.6.1951 | GP Portugal | | XK120 | Tommy Wisdom | | DNF |
| 17.6.1951 | GP Portugal | | XK120 | Duncan Hamilton | | DNF |
| 23.6.1951 | 24 h Le Mans | 20 | C-type | Walker / Whitehead | Peter Walker | 1st |
| 23.6.1951 | 24 h Le Mans | 21 | C-type | Lawrie / Waller | Robert Lawrie | 11th |
| 23.6.1951 | 24 h Le Mans | 22 | C-type | Moss / Fairman | Stirling Moss | DNF |
| 30.6.1951 | WECC Boreham [Unlimited] | | XK120 | Hugh Howorth | | 2nd |
| 30.6.1951 | MMEC Silverstone [S+3.0/1.5s] | | XK120 | Peter Binns | | 2nd |
| 30.6.1951 | MMEC Silverstone [Handicap] | | XK120 | Mrs. Nancy Binns | | 3rd |
| 8.7.1951 | National Mar del Plata | | XK120 | Lucio Bollaert | | 5th |
| 21.7.1951 | WJC Winfield [S+1.5] | 5 | XK120 | Ian Stewart | | 1st |
| 21.7.1951 | WJC Winfield [Racing F1] | 5 | XK120 | Ian Stewart | | 3rd |
| 21.7.1951 | WJC Winfield [S+1.5] | 12 | XK120 | Phil Walton | | DNA |
| 21.7.1951 | WJC Winfield [Racing F1] | 12 | XK120 | Phil Walton | | DNA |
| 21.7.1951 | WJC Winfield [Racing F1] | 16 | XK120 | John Waugh | | 5th |
| 21.7.1951 | WJC Winfield [S+1.5] | 16 | XK120 | John Waugh | | 4th |
| 21.7.1951 | WJC Winfield [S+1.5] | 61 | XK120 | A. E. H. MacGregor-Whitton | | DNA |
| 21.7.1951 | WJC Winfield [S+1.5] | 66 | XK120 | William B. Black | | DNA |
| 21.7.1951 | WJC Winfield [S+1.5] | 80 | XK120 | Bertie Bradnack | | DNA |
| 21.7.1951 | WJC Winfield [S+1.5] | 81 | XK120 | Fred Mort | | 3rd |
| 21.7.1951 | SCCA National Thompson Handicap [Class 3] | | XK120 M | Sherwood Johnston | | 1st |
| 21.7.1951 | SCCA National Thompson Handicap [Class 3] | | XK120 | Bill Fleming | | 3rd |
| 21.7.1951 | Leinster Trophy | | XK120 | Cecil Vard | | DNF |
| 21.7.1951 | SHMC Gamston [Sports] | | XK120 | Bill Holt | | 2nd |
| 21.7.1951 | Leinster Trophy | | XK120 | W. Tinsley | | DNF |
| 21.7.1951 | SHMC Gamston [Sports] | | XK120 | Hugh Howorth | | 1st |
| 21.7.1951 | SCCA National Thompson Handicap [Class 3] | | XK120 | Warren Collins | | 3rd |
| 22.7.1951 | SCCA National Thompson [Class 3] | | XK120 | Bill Fleming | | DNS |
| 22.7.1951 | SCCA National Thompson [Class 3] | | XK120 | Bob Said | | 3rd |
| 22.7.1951 | Thompson [Class Winners] | | XK120 M | Sherwood Johnston | | 3rd |
| 22.7.1951 | SCCA National Thompson [Class 3] | | XK120 | Ragsdale | | DNS |
| 22.7.1951 | Thompson [Class Winners] | | XK120 | Warren Collins | | DNS |
| 22.7.1951 | SCCA National Thompson [Class 3] | | XK120 | Warren Collins | | 2nd |
| 22.7.1951 | SCCA National Thompson [Class 3] | | XK120 M | Sherwood Johnston | | 1st |
| 28.7.1951 | Carrell Speedway [S+1.5] | 8 | XK120 | Ray Clayton | | 9th |
| 28.7.1951 | Carrell Speedway [Match Race] | 20 | XK120 | Bill Quinn | | 2nd |
| 28.7.1951 | Carrell Speedway [Relay] | 20 | XK120 | Bill Quinn | | 1st |
| 28.7.1951 | Carrell Speedway [S+1.5] | 33 | XK120 | Doug Carothers | | 3rd |
| 28.7.1951 | Carrell Speedway [Main] | 33 | XK120 | Doug Carothers | | 5th |
| 28.7.1951 | DDMC Croft [Formula Libre] | | | D. R. Waugh | | 7th |
| 28.7.1951 | DDMC Croft [Formula Libre] | | XK120 | Bill Holt | | 4th |
| 28.7.1951 | Carrell Speedway [Match Race] | | XK120 | Louis Van Dyke | | 2nd |
| 4.8.1951 | National Ibsley [+3.0] | | XK120 | L. Wood | | 3rd |
| 5.8.1951 | GP Johore | 22 | XK120 | Fred Pope | R. Donovan | DNF |
| 5.8.1951 | GP Johore | 45 | XK120 | Brian Hawes | B. R. Hawes | 2nd |
| 5.8.1951 | GP Johore | 79 | XK120 | Derek White | C. D. B. White | 4th |
| 5.8.1951 | GP Johore | 80 | XK120 | F. M. Ferguson | | 3rd |
| 5.8.1951 | GP Johore | 81 | XK120 | Kue Kong Ho | | DNF |
| 5.8.1951 | 100 mile Buchanan Field | 88 | XK120 | Jack McAfee | T. Paravano | 1st |
| 5.8.1951 | Giro delle Calabria | | | Biondetti / Bigi | | 7th |
| 5.8.1951 | Buchanan Field [Novice Handicap] | | XK120 | Lou Keller | | 2nd |
| 5.8.1951 | Buchanan Field [Novice Handicap] | | | | | raced |
| 6.8.1951 | NSCC Gamston [S+1.95] | 23 | XK120 | C. H. Swain | C. H. Swain | 3rd |
| 6.8.1951 | NSCC Gamston [Formula Libre Handicap] | 23 | XK120 | C. H. Swain | C. H. Swain | DNA |
| 6.8.1951 | NSCC Gamston [S+1.95] | 29 | | Ken Flint | K. Flint | DNA |
| 6.8.1951 | NSCC Gamston [S+1.95] | 32 | XK120 | Tony Murkett | E. A. Murkett | DNA |
| 6.8.1951 | NSCC Gamston [S+1.95] | 33 | XK120 | Stanley Boshier | S. J. Boshier | raced |
| 6.8.1951 | NSCC Gamston [S+1.95] | 34 | XK120 | Don Truman | D. C. Truman | 4th |
| 6.8.1951 | NSCC Gamston [S+1.95] | 35 | XK120 | Bill Holt | E. W. Holt | 1st |
| 6.8.1951 | NSCC Gamston [S+1.95] | 35 | XK120 | Bill Holt | E. W. Holt | raced |
| 6.8.1951 | NSCC Gamston [Formula Libre Handicap] | 35 | XK120 | Bill Holt | E. W. Holt | DNA |
| 6.8.1951 | NSCC Gamston [Formula Libre Handicap] | 35 | XK120 | Bill Holt | E. W. Holt | 3rd |
| 6.8.1951 | NSCC Gamston [S+1.95] | 36 | XK120 | Mrs. Nancy Binns | Mrs. Nancy Binns | DNA |
| 6.8.1951 | NSCC Gamston [Formula Libre Handicap] | 36 | XK120 | Mrs. Nancy Binns | Mrs. Nancy Binns | DNA |
| 6.8.1951 | NSCC Gamston [S+1.95] | 37 | XK120 | John B. Swift | J. B. Swift | 3rd |
| 6.8.1951 | NSCC Gamston [Formula Libre Handicap] | 37 | XK120 | John B. Swift | J. B. Swift | 2nd |
| 6.8.1951 | NSCC Gamston [S+1.95] | 37 | XK120 | John B. Swift | J. B. Swift | raced |
| 6.8.1951 | NSCC Gamston [S+1.95] | 84 | XK120 | Ian Stewart | I. Stewart | DNA |
| 6.8.1951 | NSCC Gamston [S+1.95] | | XK120 | Hugh Howorth | | 2nd |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 93 | XK120 | Roy Salvadori | | 3rd |