| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 0 | XK140 MC | Charles Wallace | Jack Pry | 5th |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 2 | C-type | M. R. J. Wyllie | Dr. M. R. J. Wyllie | 1st |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 21 | XK140 MC | Margaret Wyllie | Dr. M. R. J. Wyllie | DNF |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 26 | XK120 M | Sid W. Blackman | S. W. Blackman | 12th |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 49 | XK120 M | George Constantine | Geo. J. Constantine | 4th |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 57 | XK140 MC | Victor Forno | Victor V. Forno | 7th |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 58 | C-type | Dan Margulies | Dan Margulies | DNA |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 60 | XK120 | Grahame Maude | Grahame Maude | DNA |
| 17.9.1955 | GP Watkins Glen | 60 | D-type | Sherwood Johnston | Briggs S. Cunningham | 1st |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 62 | XK140 MC | Bob Grossman | Robert M. Grossman | DNF |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 63 | XK140 MC | Tom Kerr | Thomas P. Kerr | 13th |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 68 | XK120 | John Ogier | John Ogier | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 82 | XK120 M | Peggy McClure | Margaret Ann McClure | 10th |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 93 | XK120 | Bill Towse | Bill Towse | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 101 | XK120 M | Evelyn Mull | Evelyn S. Mull | DNF |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 106 | XK120 M | Humbert Cozza | Humbert C. Cozza, Jr. | 14th |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 108 | XK120 M | Hugh Sutherland | Hugh H. Sutherland | DNF |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 112 | XK140 MC | Dick Thompson | Dr. R. K. Thompson, Jr. | 3rd |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 113 | XK120 M | David Deuble | David A. Deuble | DNA |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 118 | XK140 MC | Raymond Mason | R. E. Mason, Jr. | DNF |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 124 | XK120 M | Robert Kahmer | Robert I. Kahmer | DNF |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 139 | XK140 MC | Paul Norair | Paul H. Norair | DNF |
| 17.9.1955 | GP Watkins Glen | 147 | C-type | Jack Douglas | Jack Douglas | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 151 | XK120 Special | Gordon MacKenzie | Gordon C. MacKenzie | DNF |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 180 | XK140 MC | Harry Carter | Harry E. Carter | 6th |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 191 | XK120 M | Ed Droesch | Edward F. Droesch | 19th |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 200 | XK120 M | John Knight | John E. Knight, M.D. | 3rd |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 242 | XK120 | Herb Hoefler | Herb Hoefler | DNA |
| 18.9.1955 | Tourist Trophy | 1 | D-type | Hawthorn / Titterington | Jaguar Cars Ltd. | DNF |
| 18.9.1955 | Pferdsfeld [S/GT+2.0] | 1 | XK140 | Alfred J. Nuthall | | DNA |
| 18.9.1955 | Tourist Trophy | 2 | D-type | Berry / Sanderson | Jack Broadhead | DNF |
| 18.9.1955 | Pferdsfeld [S/GT+2.0] | 8 | XK120 | Relling | | DNA |
| 18.9.1955 | Pferdsfeld [S/GT+2.0] | 10 | XK120 | Lindner | | DNA |
| 18.9.1955 | Pferdsfeld [S/GT+2.0] | 11 | XK140 | Gordon | | DNA |
| 18.9.1955 | Tourist Trophy | T | D-type | Mike Hawthorn | Jaguar Cars Ltd. | T-car |
| 24.9.1955 | BARC Goodwood [Handicap] | 38 | D-type | Michael Head | | 4th |
| 24.9.1955 | BARC Goodwood [S3.5] | 38 | D-type | Michael Head | | 2nd |
| 24.9.1955 | BARC Goodwood [S3.5] | 39 | D-type | Ian Baillie | | 6th |
| 24.9.1955 | BARC Goodwood [S3.5] | 40 | C-type | Dick Protheroe | | 4th |
| 24.9.1955 | BARC Goodwood [Handicap] | 40 | C-type | Dick Protheroe | | 1st |
| 24.9.1955 | BARC Goodwood [Handicap] | 42 | XK120 | John Ogier | | 6th |
| 24.9.1955 | BARC Goodwood [Ladies Handicap] | 57 | C-type | Rosemary Vickers | Mrs. A. D. N. Vickers | 4th |
| 24.9.1955 | BARC Goodwood [Closed Car Handicap] | 99 | Mk VII | I. M. Gillet | | 1st |
| 24.9.1955 | BARC Goodwood [S3.5] | | XK120 | Peter Sargent | | raced |
| 25.9.1955 | SMRC Snetterton [Sports Handicap] | | C-type | Archie Scott-Brown | | 3rd |
| 25.9.1955 | SMRC Snetterton [Production Unlimited] | | XK120 | John Ogier | | 1st |
| 25.9.1955 | SMRC Snetterton [Sports Unlimited] | | D-type | George Abecassis | | 2nd |
| 25.9.1955 | SMRC Snetterton [Closed Car Handicap] | | XK120 | Ray Playford | | 1st |
| 25.9.1955 | SMRC Snetterton [Sports Unlimited] | | D-type | Duncan Hamilton | | 1st |
| 25.9.1955 | SMRC Snetterton [Closed Car Handicap] | | XK120 | A. Taylor | | 3rd |
| 1.10.1955 | Castle Combe International | 1 | D-type | Duncan Hamilton | D. Hamilton | DNF |
| 1.10.1955 | Castle Combe International | 3 | D-type | Michael Head | D. Hamilton | DNF |
| 1.10.1955 | Castle Combe International | 5 | XK120 | Grahame Maude | Gigi Plate | DNF |
| 1.10.1955 | Castle Combe International | 9 | C-type | David Boston | David Boston | DNA |
| 1.10.1955 | Castle Combe International | 11 | C-type | Dan Margulies | Dan Margulies | DNA |
| 1.10.1955 | Castle Combe International | 15 | | Peter Sargent | Peter Sargent | raced |
| 1.10.1955 | Castle Combe International | 17 | C-type | Louis Manduca | Louis Manduca | DNA |
| 1.10.1955 | Castle Combe International | 31 | C-type | Rosemary Vickers | Mrs. Vickers | raced |
| 1.10.1955 | SCCA Regional Salinas [Modified +1.5] | 63 | XK140 | Jay Chamberlain | | raced |
| 1.10.1955 | SCCA Regional Salinas [Modified +1.5] | 100 | C-type | Ray Seher | | raced |
| 1.10.1955 | Edenvale [Production] | | XK120 M | Hugh Sutherland | | 2nd |
| 1.10.1955 | Edenvale [Production] | | XK120 | Chris Eden | | 1st |
| 1.10.1955 | SCCA Regional Salinas [Production +1.5] | | | Weldon Russell | | raced |
| 2.10.1955 | WJC Charterhall [Sports] | 29 | XK120 | John Ogier | J. L. E. Ogier | 2nd |
| 2.10.1955 | WJC Charterhall [Racing] | 29 | XK120 | John Ogier | J. L. E. Ogier | DNA |
| 2.10.1955 | WJC Charterhall [Sports] | 30 | | E. J. Cowell | E. J. Cowell | DNA |
| 2.10.1955 | WJC Charterhall [Racing] | 30 | | E. J. Cowell | E. J. Cowell | DNA |
| 2.10.1955 | WJC Charterhall [Sports] | 32 | XK120 | E. O'Neill | Dr E. O'Neill | DNA |
| 8.10.1955 | National Silverstone [Handicap] | 83 | D-type | Alex McMillan | | 2nd |
| 8.10.1955 | National Silverstone [Formula Libre] | 83 | D-type | Alex McMillan | | 1st |
| 8.10.1955 | National Silverstone [Sports Unlimited] | 83 | D-type | Alex McMillan | | 1st |
| 8.10.1955 | National Silverstone [Racing Handicap] | 83 | D-type | Alex McMillan | | 1st |
| 9.10.1955 | SCCA Regional Thompson [CP] | 0 | XK120 M | John Knight | | 6th |
| 9.10.1955 | SCCA Regional Thompson [CM+UR] | 6 | C-type | Jack Crusoe | | 5th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 14 | XK120 M | Bob Rubin | | 8th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 24 | XK120 M | Crusoe | | 7th |
| 9.10.1955 | SCCA Regional Thompson [CM+UR] | 32 | D-type | Walter Huggler | Walter Huggler | 10th |
| 9.10.1955 | BRSCC Brands Hatch [S+1.9] | 34 | C-type | John Barber | Mrs. Vickers | 5th |
| 9.10.1955 | BRSCC Brands Hatch [S+1.9] | 37 | C-type | Archie Scott-Brown | L. Manduca | 1st |
| 9.10.1955 | SCCA Regional Thompson [CP] | 41 | XK120 M | Bob Grossman | | 5th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 44 | XK120 M | George Constantine | | 2nd |
| 9.10.1955 | SCCA Regional Thompson [CP] | 46 | | E. Rawle | | 12th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 50 | XK120 M | Porter | | DNF |
| 9.10.1955 | SCCA Regional Thompson [CP] | 58 | XK140 MC | Tom Kerr | | 11th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 60 | XK120 M | Ed Droesch | | 9th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 80 | XK140 MC | Harry Carter | | 1st |
| 9.10.1955 | SCCA Regional Thompson [CP] | 91 | XK120 M | Jordan King | | 10th |
| 9.10.1955 | SCCA Regional Thompson [CM+DM] | 99 | C-type | Herb Hoefler | | 2nd |
| 9.10.1955 | SCCA Regional Thompson [CM+UR] | 110 | XK120 | Russ Boss | | 7th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 122 | XK120 M | Jim Woods | | 4th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 124 | | Charles Cunningham | | 13th |
| 9.10.1955 | SCCA Regional Thompson [CP] | 128 | XK140 MC | Bob Bucher | | 3rd |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 0 | XK140 MC | Charles Wallace | Charles C. Wallace | 2nd |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 39 | | Tom Kerr | Thomas P. Kerr | 22nd |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 51 | Special | John Sinclair | John C. Sinclair | 8th |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 222 | XK120 M | Ed Droesch | | 18th |
| 16.10.1955 | Smartt Field [S+1.5] | | XK120 M | Jerry Hardesty | | 6th |
| 16.10.1955 | Novice Smartt Field [Production +1.5] | | XK140 MC | R. Schweppe | | 2nd |
| 16.10.1955 | Novice Smartt Field [Production +1.5] | | XK140 MC | Bob Clifford | | 1st |
| 16.10.1955 | Smartt Field [CP+FP] | | XK140 MC | Arthur Feuerbacher | | 7th |