| 22.7.1951 | Thompson [Class Winners] | | XK120 M | Sherwood Johnston | | 3rd |
| 22.7.1951 | SCCA National Thompson [Class 3] | | XK120 | Bob Said | | 3rd |
| 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 |
| 22.7.1951 | SCCA National Thompson [Class 3] | | XK120 | Ragsdale | | DNS |
| 22.7.1951 | SCCA National Thompson [Class 3] | | XK120 | Bill Fleming | | DNS |
| 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 | WH & DCC 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] | | | | | raced |
| 5.8.1951 | Buchanan Field [Novice Handicap] | | XK120 | Lou Keller | | 2nd |
| 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 [Formula Libre Handicap] | 35 | XK120 | Bill Holt | E. W. Holt | DNA |
| 6.8.1951 | NSCC Gamston [S+1.95] | 35 | XK120 | Bill Holt | E. W. Holt | 1st |
| 6.8.1951 | NSCC Gamston [Formula Libre Handicap] | 35 | XK120 | Bill Holt | E. W. Holt | 3rd |
| 6.8.1951 | NSCC Gamston [S+1.95] | 35 | XK120 | Bill Holt | E. W. Holt | raced |
| 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 [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] | 37 | XK120 | John B. Swift | J. B. Swift | 3rd |
| 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 [Unlimited] | 83 | XK120 | Hugh Howorth | F. Howorth | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 83 | XK120 | Hugh Howorth | F. Howorth | 4th |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 84 | XK120 | John B. Swift | J. Swift | 2nd |
| 11.8.1951 | WECC Boreham [Unlimited] | 84 | XK120 | John B. Swift | J. Swift | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 85 | XK120 | Mrs. Nancy Binns | Mrs. N. Binns | DNA |
| 11.8.1951 | WECC Boreham [Unlimited] | 85 | XK120 | Mrs. Nancy Binns | Mrs. N. Binns | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 86 | XK120 | J. H. Elt | J. Elt | DNA |
| 11.8.1951 | WECC Boreham [Unlimited] | 86 | XK120 | J. H. Elt | J. Elt | DNA |
| 11.8.1951 | WECC Boreham [Unlimited] | 87 | XK120 | L. Wood | L. Wood | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 87 | XK120 | L. Wood | L. Wood | raced |
| 11.8.1951 | WECC Boreham [Unlimited] | 88 | XK120 | D. Pierpoint | D. Pierpoint | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 88 | XK120 | D. Pierpoint | D. Pierpoint | DNA |
| 11.8.1951 | WECC Boreham [Unlimited] | 89 | XK120 | R. Sleigh | S. Boshier | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 89 | XK120 | R. Sleigh | S. J. Boshier | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 90 | XK120 | John Craig | J. Craig | raced |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 91 | XK120 | S. Powell | S. Powell | DNA |
| 11.8.1951 | WECC Boreham [Unlimited] | 92 | XK120 | E. Farrow | E. Farrow | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 92 | XK120 | E. Farrow | E. Farrow | DNA |
| 11.8.1951 | WECC Boreham [Unlimited] | 93 | XK120 | Roy Salvadori | R. Salvadori | 3rd |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 93 | XK120 | Roy Salvadori | R. Salvadori | 3rd |
| 11.8.1951 | WECC Boreham [Unlimited] | 94 | XK120 | D. Bond | D. Bond | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 94 | XK120 | D. Bond | D. Bond | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 95 | XK120 | L. Gill | L. Gill | DNA |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 105 | XK120 | C. H. Swain | | raced |
| 11.8.1951 | WECC Boreham [Jaguar XK120] | 108 | XK120 | Duncan Hamilton | | 1st |
| 11.8.1951 | WECC Boreham [Unlimited] | 108 | XK120 | Duncan Hamilton | | 1st |
| 11.8.1951 | MGCC Silverstone [Handicap novice heat 2] | | | J. Partridge | | 2nd |
| 11.8.1951 | MGCC Silverstone [Unlimited] | | XK120 | Geoff Mansell | | 4th |
| 11.8.1951 | MGCC Silverstone [Unlimited] | | | Denis O'M Taylor | | 2nd |
| 11.8.1951 | MGCC Silverstone [Handicap novice heat 1] | | XK120 | Duncan Russell | | 4th |
| 11.8.1951 | MGCC Silverstone [Final] | | | J. Partridge | | 2nd |
| 12.8.1951 | SCC-BC Bellingham [Handicap] | 40 | XK120 | Jim Rattenbury | | 2nd |
| 12.8.1951 | SCC-BC Bellingham [Unlimited] | 40 | XK120 | Jim Rattenbury | | 3rd |
| 12.8.1951 | SCC-BC Bellingham [Unlimited] | 42 | XK120 | David Anvil | | 2nd |
| 12.8.1951 | SCC-BC Bellingham [Handicap] | 42 | XK120 | David Anvil | | 6th |
| 12.8.1951 | SCC-BC Bellingham [Unlimited] | 44 | XK120 | Rod Neville | | 1st |
| 12.8.1951 | SCC-BC Bellingham [Handicap] | 44 | XK120 | Rod Neville | | 1st |
| 12.8.1951 | Circuito di Senigallia [S+1.1] | | | Biondetti | | raced |
| 12.8.1951 | SCC-BC Bellingham [Unlimited] | | Mk V | Sam Cromie | | ?th |
| 12.8.1951 | SCC-BC Bellingham [Unlimited] | | Mk V | George O'Brian | | ?th |
| 18.8.1951 | BARC Goodwood [Handicap E] | 36 | XK120 | Duncan Hamilton | | 2nd |
| 18.8.1951 | BARC Goodwood [Handicap D] | 36 | XK120 | Duncan Hamilton | | 2nd |
| 18.8.1951 | BARC Goodwood [S+3.0] | | XK120 | Philip Fotheringham-Parker | Duncan Hamilton | 2nd |
| 18.8.1951 | BARC Goodwood [S+3.0] | | XK120 | John Craig | | 4th |
| 18.8.1951 | BARC Goodwood [Handicap A] | | XK120 | Philip Fotheringham-Parker | Duncan Hamilton | 2nd |
| 18.8.1951 | BARC Goodwood [Handicap B] | | XK120 | L. Wood | | 4th |
| 26.8.1951 | SCCA National Elkhart Lake | 32 | XK120 | Karl Brocken | | 10th |
| 26.8.1951 | Preliminary Elkhart Lake [Novice] | 34 | XK120 | R. D. Onan | | 8th |
| 26.8.1951 | SCCA National Elkhart Lake | 45 | XK120 | John Bentley | | 11th |
| 26.8.1951 | Preliminary Elkhart Lake [Novice] | 56 | XK120 | Roger Wing | | 1st |
| 26.8.1951 | SCCA National Elkhart Lake | 74 | XK120 | Sherwood Johnston | | 9th |
| 26.8.1951 | Preliminary Elkhart Lake [Novice] | 126 | XK120 | Gordon Lipe | | 3rd |
| 26.8.1951 | Preliminary Elkhart Lake [Novice] | 130 | XK120 | Steve Briggs | | 4th |
| 26.8.1951 | SCCA National Elkhart Lake | 134 | XK120 LT Silverstone | Phil Hill | Chas Hornburg, Jr. | 3rd |
| 26.8.1951 | SCCA National Elkhart Lake | 135 | XK120 | Jorge Malbrand | | 4th |
| 26.8.1951 | Preliminary Elkhart Lake [Novice] | 144 | XK120 | Bill Victor | | 7th |
| 31.8.1951 | 6 h Relay Silverstone [Handicap] | | XK120 | C. P. Hazelhurst | X120 Team | ?th |
| 31.8.1951 | 6 h Relay Silverstone [Handicap] | | XK120 | J. H. Elt | X120 Team | ?th |