| 15.9.1956 | GP Watkins Glen | 20 | C-type | David Darrin | David Darrin | 6th |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 30 | XK140 MC | Raymond Mason | Raymond E. Mason | 2nd |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 32 | XK140 | William S. Winfield | W. S. Winfield | 12th |
| 15.9.1956 | GP Watkins Glen | 49 | D-type | George Constantine | Mary L. Constantine | 1st |
| 15.9.1956 | GP Watkins Glen | 53 | D-type | Walter Huggler | Walter F. Huggler | DNF |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 60 | XK120 | Gordon MacKenzie | Gordon C. MacKenzie | 13th |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 68 | XK120 | Franklin Zimmerman | Franklin Zimmerman | 18th |
| 15.9.1956 | PMC Silverstone [Motor Sport Trophy Handicap] | 70 | D-type | Henry Taylor | | 1st |
| 15.9.1956 | PMC Silverstone [Unlimited] | 70 | D-type | Henry Taylor | | 2nd |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 76 | XK120 M | Peggy McClure | George A. McClure | 14th |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 80 | XK140 MC | Harry Carter | Harry E. Carter | 3rd |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 85 | XK120 M | Charles McAdams | Edward F. Droesch | 9th |
| 15.9.1956 | PMC Silverstone [Unlimited] | 88 | C-type | Gil Tyrer | | 5th |
| 15.9.1956 | PMC Silverstone [Handicap S+1.5] | 88 | C-type | Gil Tyrer | | 4th |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 90 | XK140 MC | Millard Ripley | Millard Ripley | 19th |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 114 | XK140 MC | Richard Kessler | Richard Kessler | 7th |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 155 | XK140 MC | Bob Rubin | Robert Rubin | DNA |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 223 | XK140 MC | Denise McCluggage | Denise McCluggage | DNA |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 227 | XK120 M | Hugh Sutherland | Ecurie Volante | 16th |
| 15.9.1956 | SCCA National Watkins Glen [CP+DP+EP] | 246 | XK120 | Jordan King | Jordan L. King | 11th |
| 16.9.1956 | NSCC Mallory Park [S+2.7] | 74 | XK120 M | Mike Salmon | | 3rd |
| 22.9.1956 | 3 h Autosport | 7 | XK120 M | Mike Salmon | Mike Salmon | 4th |
| 22.9.1956 | 3 h Autosport | 8 | XK120 | Grahame Maude | Grahame Maude | DNF |
| 22.9.1956 | BARC Goodwood [S3.5] | 33 | D-type | Ian Baillie | | 4th |
| 22.9.1956 | BARC Goodwood [S3.5] | 35 | C-type | Max Trimble | | 5th |
| 22.9.1956 | Oulton Park International [GT/T] | 112 | XK140 | Ivor Bueb | Ecurie Demi-Litre | 2nd |
| 22.9.1956 | Oulton Park International [GT/T] | 122 | XK140 | Arnold Burman | K. G. White | DNA |
| 22.9.1956 | Oulton Park International [GT/T] | 124 | Mk VII | Bob Berry | J. C. Broadhead | DNA |
| 22.9.1956 | Oulton Park International [GT/T] | 125 | XK140 | Bill Bleakley | W. D. Bleakley | DNF |
| 23.9.1956 | Tour de France | 82 | XK140 | Parsy / Guyot | | 16th |
| 23.9.1956 | Tour de France | | Mark I 2.4 | Branche / Lambeaux | | 29th |
| 23.9.1956 | ECFCC San Luis Obispo [Race 2] | | XK140 MC | Jim Andresen | | 1st |
| 23.9.1956 | ECFCC San Luis Obispo [Race 1] | | XK140 MC | Jim Andresen | | DNF |
| 23.9.1956 | Coupe d'Automne [R/S+1.3] | | D-type | André Pilette | | 2nd |
| 29.9.1956 | Indian Summer Trophy | 1 | XK120 | William Hay | W. N. Hay | DNA |
| 29.9.1956 | Indian Summer Trophy | 17 | D-type | Jack Ensley | Jack R. Ensley | DNA |
| 29.9.1956 | Indian Summer Trophy | 21 | XK120 | Franklin Zimmerman | F. Zimmerman | DNA |
| 29.9.1956 | Indian Summer Trophy | 27 | XK120 M | Hugh Sutherland | Ecurie Volante | DNA |
| 29.9.1956 | Indian Summer Trophy | 45 | D-type | Walter Huggler | R. Harrison | ?th |
| 29.9.1956 | National Silverstone [Production] | 50 | XK120 M | Mike Salmon | | 2nd |
| 29.9.1956 | BARC Aintree [Handicap] | | XK120 | E. R. F. Lee | | 2nd |
| 29.9.1956 | Indian Summer Trophy | | | | | raced |
| 29.9.1956 | BARC Aintree [S+2.0] | | C-type | Gil Tyrer | | 1st |
| 30.9.1956 | Sacramento [CP+DP+EP] | 19 | | Dan Hernandez | | 12th |
| 30.9.1956 | Sacramento [BM+CM+DM+FM] | 29 | | Al Laws | | 17th |
| 30.9.1956 | Sacramento [CP+DP+EP] | 34 | | Cloyd Gray | | 13th |
| 30.9.1956 | Sacramento [BM+CM+DM+FM] | 68 | XK140 MC | Jim Woods | | 12th |
| 30.9.1956 | Sacramento [CP+DP+EP] | 68 | XK140 MC | Jim Woods | | 2nd |
| 30.9.1956 | Sacramento [CP+DP+EP] | 70 | | Fred Block | | 8th |
| 30.9.1956 | Sacramento [BM+CM+DM+FM] | 70 | | Fred Block | | 13th |
| 30.9.1956 | Sacramento [BM+CM+DM+FM] | 87 | XK120 M | Bill Love | | 16th |
| 30.9.1956 | Sacramento [CP+DP+EP] | 87 | XK120 M | Bill Love | | 15th |
| 6.10.1956 | Chester [Main] | 4 | XK120 M | Welsh | | 5th |
| 6.10.1956 | Chester [S+3.0] | 4 | XK120 M | Bowen | | 5th |
| 6.10.1956 | Chester [S+3.0] | 5 | XK140 M | Price | | DNF |
| 6.10.1956 | Chester [S+3.0] | 13 | XK140 MC | Buddy Reid | | 3rd |
| 6.10.1956 | Chester [Main] | 13 | XK140 MC | Buddy Reid | | 6th |
| 6.10.1956 | Chester [S+3.0] | 14 | D-type | Bill Browning | Gay Jackson | 1st |
| 6.10.1956 | National Silverstone [Handicap] | 96 | C-type | Max Trimble | | 5th |
| 6.10.1956 | National Silverstone [Unlimited] | 99 | D-type | Henry Taylor | | 5th |
| 6.10.1956 | National Silverstone [Handicap] | 99 | D-type | Henry Taylor | | 2nd |
| 6.10.1956 | Silverstone [Formula Libre] | 99 | D-type | Henry Taylor | | 5th |
| 6.10.1956 | Silverstone [Racing Handicap] | 99 | D-type | Henry Taylor | | 3rd |
| 7.10.1956 | SCCA Regional Thompson [CM+DM] | 3 | C-type | Jack Crusoe | | 7th |
| 7.10.1956 | SCCA Regional Thompson [CM+DM] | 5 | C-type | David Darrin | | 8th |
| 7.10.1956 | Coupes du Salon | 6 | D-type | Duncan Hamilton | D. Hamilton | 2nd |
| 7.10.1956 | Coupes du Salon | 8 | D-type | André Pilette | Duncan Hamilton | 4th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 23 | XK140 MC | Denise McCluggage | | 13th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 30 | XK120 M | Ed Droesch | | 8th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 37 | XK140 MC | Vin Sardi | | 9th |
| 7.10.1956 | SCCA Regional Thompson [CM+DM] | 49 | D-type | George Constantine | | 3rd |
| 7.10.1956 | SCCA Regional Thompson [CM+DM] | 58 | D-type | Walt Hansgen | Auto Engineering | 2nd |
| 7.10.1956 | SCCA Regional Thompson [S+2.0] | 58 | D-type | Walt Hansgen | Auto Engineering | 2nd |
| 7.10.1956 | SCCA Regional Thompson [S+2.0] | 59 | D-type | John Fitch | Briggs Cunningham | 1st |
| 7.10.1956 | SCCA Regional Thompson [CM+DM] | 59 | D-type | John Fitch | Briggs Cunningham | 1st |
| 7.10.1956 | SCCA Regional Thompson [UR-FIII] | 60 | XK140 MC Super | P. Forneau | | 4th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 62 | XK120 M | R. Colombo | | 12th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 72 | XK120 M | Carl Olson | | 6th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 79 | XK120 M | Nick Falcone | | 14th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 80 | XK140 MC | Harry Carter | | 1st |
| 7.10.1956 | SCCA Regional Thompson [CP] | 82 | XK140 | Tom Kerr | | 16th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 83 | XK120 | Sante Graziani | | 11th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 87 | XK140 | Bob Grossman | | 5th |
| 7.10.1956 | SCCA Regional Thompson [CM+DM] | 93 | D-type | Walter Huggler | | 4th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 108 | | Charles Weiss | | 15th |
| 7.10.1956 | SCCA Regional Thompson [CP] | 114 | XK140 MC | Richard Kessler | | 2nd |
| 7.10.1956 | SCCA Regional Thompson [CP] | 246 | XK120 | Jordan King | | 10th |
| 7.10.1956 | Smartt Field [CP+DP+EP] | | | Deuble | | DNF |
| 7.10.1956 | Smartt Field [CP+DP+EP] | | | King | | 16th |
| 7.10.1956 | Smartt Field [CP+DP+EP] | | | McCoy | | 7th |
| 7.10.1956 | Smartt Field [CP+DP+EP] | | | Dave Causey | | 4th |
| 7.10.1956 | Smartt Field [CP+DP+EP] | | | Abel | | DNF |
| 7.10.1956 | Smartt Field [CP+DP+EP] | | | Snider | | DNF |
| 7.10.1956 | Smartt Field [CP+DP+EP] | | | Brennan | | DNF |
| 7.10.1956 | Smartt Field [S+1.5] | | | Brennan | | 11th |
| 7.10.1956 | Smartt Field [S+1.5] | | | Coan | | 15th |
| 7.10.1956 | Smartt Field [S+1.5] | | | Snider | | raced |
| 7.10.1956 | Smartt Field [CP+DP+EP] | | | Coan | | 13th |
| 7.10.1956 | National Snetterton [Sports] | | D-type | Bob Berry | | 5th |
| 7.10.1956 | Smartt Field [S+1.5] | | | Dave Causey | | 9th |