| 26.5.1951 | WECC Boreham [XK120] | 108 | XK120 | George Wicken | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 109 | XK120 | A. Hoffman | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 110 | XK120 | L. Wood | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 111 | XK120 | D. Pierpoint | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 112 | XK120 | S. Powell | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 113 | XK120 | Peter Binns | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 114 | XK120 | F. Howarth | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 115 | XK120 | A. C. Westwood | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 119 | XK120 | J. I. Smith | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 120 | XK120 | R. Houchin | | DNA |
| 26.5.1951 | WECC Boreham [XK120] | 128 | XK120 | F. Hobart-Smith | | DNA |
| 26.5.1951 | Preis von Bremgarten | | XK120 | | | raced |
| 26.5.1951 | Preis von Bremgarten | | XK120 | Scherrer | | raced |
| 26.5.1951 | Preis von Bremgarten | | XK120 | | | raced |
| 27.5.1951 | SCCA National Pebble Beach [Handicap] | 4 | XK120 | Bill Breeze | | 7th |
| 27.5.1951 | SCCA National Pebble Beach Cup | 4 | XK120 | Bill Breeze | | 3rd |
| 27.5.1951 | Preliminary Pebble Beach [Novice] | 8 | XK120 | Dick Jackson | Hastings Harcourt | 1st |
| 27.5.1951 | SCCA National Pebble Beach Cup | 8 | XK120 | Dick Jackson | Hastings-Harcourt | DNS |
| 27.5.1951 | SCCA National Pebble Beach [Handicap] | 23 | XK120 | Bob Menefee | | 12th |
| 27.5.1951 | Preliminary Pebble Beach [Novice] | 23 | XK120 | Bob Menefee | | 4th |
| 27.5.1951 | SCCA National Pebble Beach Cup | 23 | XK120 | Bob Menefee | | 34th |
| 27.5.1951 | SCCA National Pebble Beach Cup | 60 | XK120 | Don Parkinson | | DNS |
| 27.5.1951 | SCCA National Pebble Beach [Handicap] | 60 | XK120 | Don Parkinson | | DNS |
| 27.5.1951 | SCCA National Pebble Beach Cup | 89 | XK120 | Jackie Cooper | | 6th |
| 27.5.1951 | SCCA National Pebble Beach [Handicap] | 89 | XK120 | Jackie Cooper | | 26th |
| 2.6.1951 | Ulster Trophy [Formula Libre Handicap] | 60 | XK120 | Louis Chiron | W. Tinsley | raced |
| 2.6.1951 | Ulster Trophy [Formula Libre Handicap] | 68 | XK120 | A. E. H. MacGregor-Whitton | | DNA |
| 2.6.1951 | 8 Clubs Silverstone [Handicap] | | XK120 | Hugh Howorth | | 3rd |
| 2.6.1951 | 8 Clubs Silverstone [Scratch] | | XK120 | Hugh Howorth | | 1st |
| 3.6.1951 | Coppa della Toscana | | | Clemente Biondetti | | 4th |
| 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 | 100 mile Bridgehampton | 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 | Bridgehampton [S+3.0] | 86 | XK120 | Logan Hill | | 5th |
| 9.6.1951 | 100 mile Bridgehampton | 86 | XK120 | Logan Hill | | DNF |
| 9.6.1951 | 100 mile Bridgehampton | 102 | XK120 | Fred Wacker | | 7th |
| 9.6.1951 | Bridgehampton [S+3.0] | 102 | XK120 | Fred Wacker | | 8th |
| 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 | BARC Goodwood [S+3.0] | | XK120 | John Craig | | 1st |
| 16.6.1951 | BOC Silverstone [Jaguar XK120] | | XK120 | C. P. Haslehurst | | 3rd |
| 16.6.1951 | BOC Silverstone [Jaguar XK120] | | XK120 | Mrs. Nancy Binns | | 2nd |
| 16.6.1951 | BOC Silverstone [Jaguar XK120] | | XK120 | John B. Swift | | 1st |
| 16.6.1951 | BARC Goodwood [Handicap A] | | XK120 | John Craig | | raced |
| 17.6.1951 | ADMC Crimond [Sports] | | XK120 | Little | | raced |
| 17.6.1951 | GP Portugal | | XK120 | Duncan Hamilton | | DNF |
| 17.6.1951 | ADMC Crimond [Sports] | | XK120 | Duncan | | raced |
| 17.6.1951 | GP Portugal | | XK120 | Tommy Wisdom | | DNF |
| 17.6.1951 | ECMC Fersfield [S+2.5] | | XK120 | Stanley Boshier | | 1st |
| 17.6.1951 | GP Portugal | | XK120 | George Wicken | | DNF |
| 17.6.1951 | ADMC Crimond [Sports] | | XK120 | Ian Stewart | | 1st |
| 17.6.1951 | ADMC Crimond [Sports] | | XK120 | Gray | | raced |
| 17.6.1951 | ECMC Fersfield [Handicap +1.5] | | XK120 | Stanley Boshier | | 3rd |
| 17.6.1951 | ECMC Fersfield [Handicap +1.5] | | XK120 | J. H. Sarginson | | 2nd |
| 17.6.1951 | ADMC Crimond [Formula Libre] | | XK120 | Ian Stewart | | raced |
| 17.6.1951 | ADMC Crimond [Formula Libre] | | XK120 | | | raced |
| 17.6.1951 | ADMC Crimond [Formula Libre] | | XK120 | Fred Mort | | raced |
| 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 [S+2.5/+1.5s] | 63 | XK120 | George Wicken | G. Wicken | DNA |
| 30.6.1951 | WECC Boreham [R+2.0/+1.1s] | 63 | XK120 | George Wicken | G. Wicken | DNA |
| 30.6.1951 | WECC Boreham [R+2.0/+1.1s] | 64 | XK120 | D. Pierpoint | D. Pierpoint | DNA |
| 30.6.1951 | WECC Boreham [S+2.5/+1.5s] | 64 | XK120 | D. Pierpoint | D. Pierpoint | raced |
| 30.6.1951 | WECC Boreham [S+2.5/+1.5s] | 65 | XK120 | Hugh Howorth | F. Howorth | 2nd |
| 30.6.1951 | WECC Boreham [R+2.0/+1.1s] | 65 | XK120 | Hugh Howorth | F. Howorth | 3rd |
| 30.6.1951 | WECC Boreham [R+2.0/+1.1s] | 66 | XK120 | Bill Black | W. Black | DNA |
| 30.6.1951 | WECC Boreham [S+2.5/+1.5s] | 66 | XK120 | Bill Black | W. Black | DNA |
| 30.6.1951 | WECC Boreham [S+2.5/+1.5s] | 67 | XK120 | Stanley Boshier | S. Boshier | DNA |
| 30.6.1951 | WECC Boreham [R+2.0/+1.1s] | 67 | XK120 | Stanley Boshier | S. Boshier | DNA |
| 30.6.1951 | WECC Boreham [S+2.5/+1.5s] | 68 | XK120 | S. Powell | S. Powell | DNA |
| 30.6.1951 | WECC Boreham [R+2.0/+1.1s] | 68 | XK120 | S. Powell | S. Powell | DNA |
| 30.6.1951 | WECC Boreham [S+2.5/+1.5s] | 102 | XK120 | R. Houchin | R. Houchin | DNA |
| 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 [Racing F1] | 5 | XK120 | Ian Stewart | | 3rd |
| 21.7.1951 | WJC Winfield [S+1.5] | 5 | XK120 | Ian Stewart | | 1st |
| 21.7.1951 | WJC Winfield [Racing F1] | 12 | XK120 | Phil Walton | | DNA |
| 21.7.1951 | WJC Winfield [S+1.5] | 12 | XK120 | Phil Walton | | DNA |
| 21.7.1951 | WJC Winfield [S+1.5] | 16 | XK120 | John Waugh | | 4th |
| 21.7.1951 | WJC Winfield [Racing F1] | 16 | XK120 | John Waugh | | 5th |
| 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 | Bill 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 | SHMC Gamston [Sports] | | XK120 | Hugh Howorth | | 1st |
| 21.7.1951 | SCCA National Thompson Handicap [Class 3] | | XK120 | Warren Collins | | 3rd |
| 21.7.1951 | SCCA National Thompson Handicap [Class 3] | | XK120 M | Sherwood Johnston | | 1st |
| 21.7.1951 | SHMC Gamston [Sports] | | XK120 | Bill Holt | | 2nd |
| 21.7.1951 | SCCA National Thompson Handicap [Class 3] | | XK120 | Bill Fleming | | 3rd |
| 21.7.1951 | Leinster Trophy | | XK120 | W. Tinsley | | DNF |
| 21.7.1951 | Leinster Trophy | | XK120 | Cecil Vard | | DNF |