| 15.5.1955 | SCCA National Cumberland [CP] | 0 | XK140 MC | Charles Wallace | Jack Pry | 1st |
| 15.5.1955 | SCCA National Cumberland [CP] | 1 | XK120 M | John B. Mull | J. B. Mull | 5th |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 1 | XK120 M | Evelyn Mull | J. B. Mull | 3rd |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 2 | XK140 MC | Margaret Wyllie | Mrs. M. R. J. Wyllie | DNF |
| 15.5.1955 | SCCA National Cumberland [CP] | 2 | | M. R. J. Wyllie | M. R. J. Wyllie | DNF |
| 15.5.1955 | SCCA National Cumberland [CM+DM+EM] | 21 | C-type | Russ Boss | R. Boss | DNA |
| 15.5.1955 | SCCA National Cumberland [CP] | 22 | | Russ Boss | Russ Boss | DNA |
| 15.5.1955 | GP Bari [S+2.0] | 26 | | Paul Vogel | | DNF |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 43 | XK120 | Bob Thomas | R. C. Thomas | 11th |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 48 | XK120 M | Peggy McClure | G. A. McClure | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 48 | XK120 | George McClure | G. A. McClure | DNF |
| 15.5.1955 | SCCA National Cumberland [CP] | 49 | XK120 M | George Constantine | G. J. Constantine | 3rd |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 49 | XK120 M | Mary Constantine | George J. Constantine | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 53 | XK120 | M. S. Granet | M. S. Granet | DNF |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 53 | XK120 M | Arthur W. German | | 6th |
| 15.5.1955 | SCCA National Cumberland [CP] | 58 | | Art Simmons | A. R. Simmons | DNA |
| 15.5.1955 | SCCA National Cumberland [CP] | 60 | | Ed Glowacke | E. Glowacke | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 69 | XK120 M | Jack Shaver | R. J. Shaver | 5th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 80 | XK140 MC | Harry Carter | H. E. Carter | 3rd |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 93 | | Victor Forno | V. Forno | DNF |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 118 | XK120 M | W. M. Ferro | W. M. Ferro | 7th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 126 | XK120 | Raymond Mason | R. E. Mason, Jr. | 4th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 132 | XK120 | Morris Contract | M. Contract | 14th |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 133 | XK140 MC | Joan Ellis | Joan Ellis | 4th |
| 15.5.1955 | SCCA National Cumberland [CP] | 133 | XK140 MC | Jack Ensley | Joan Ellis | DNF |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 140 | XK120 M | E. Bowman | E. Bowman | 8th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 145 | XK140 MC | Richard Kessler | R. Kessler | 1st |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 156 | XK120 M | Bernard Lust | B. Lust | 19th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 158 | XK120 | John W. Baxter | J. W. Baxter | 18th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 159 | XK120 M | H. W. Bowen | H. W. Bowen | 12th |
| 15.5.1955 | SCCA National Cumberland [CP] | 168 | XK120 M | Jack Manting | J. Manting | DNA |
| 15.5.1955 | SCCA National Cumberland [CP] | 176 | | Marty Malarkey | M. Malarkey | DNF |
| 15.5.1955 | SCCA National Cumberland [CP] | 191 | | W. Haeger | W. Haeger | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 191 | | Leonard Fanelli | W. Haeger | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 201 | | Bob Cron | R. D. Cron | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 203 | | Sid W. Blackman | S. W. Blackman | DNF |
| 15.5.1955 | SCCA National Cumberland [CP] | 205 | XK120 M | Chuck Sarle | C. R. Sarle | 4th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 207 | XK120 M | Gerald Lehrer | G. Lehrer | 10th |
| 15.5.1955 | SCCA National Cumberland [CP] | 208 | XK120 | Fred Sclavi | Fred Sclavi | DNA |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 213 | C-type | Margaret Wyllie | Mrs. M. R. J. Wyllie | 2nd |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 243 | | Lester S. Beazell | L. S. Beazell | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 248 | XK120 M | G. T. Mantzoros | G. T. Mantzoros | 16th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 251 | XK120 M | Paul McGeorge | P. McGeorge | 9th |
| 15.5.1955 | SCCA National Cumberland [CP] | 252 | XK140 | Bob Grossman | R. Grossman | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 261 | | J. V. Niiranen | J. V. Niiranen | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 268 | XK120 | Charles Ellmers | C. R. Ellmers | 17th |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 269 | | Raymont Szeliga | R. Szeliga | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 271 | | C. M. Cowen | C. M. Cowen | DNF |
| 15.5.1955 | Preliminary Cumberland [Novice +3.0] | 274 | XK120 | R. J. Fitzpatrick | R. J. Fitzpatrick | 13th |
| 15.5.1955 | SCCA National Cumberland [CP] | 275 | | Tom Gilmour | T. R. Gilmour | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 27 | Mk VII | F. C. Merrill | F. C. Merrill | DNA |
| 21.5.1955 | LCCC Oulton Park [Racing Handicap] | 45 | XK120 | Grahame Maude | Grahame Maude | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 45 | XK120 | Grahame Maude | Grahame Maude | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 45 | XK120 | Grahame Maude | Grahame Maude | DNA |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 45 | XK120 | Grahame Maude | Grahame Maude | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 46 | XK120 | George Towse | George Towse | DNA |
| 21.5.1955 | LCCC Oulton Park [Racing Handicap] | 46 | XK120 | Bill Towse | Bill Towse | DNA |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 50 | XK120 LT | Bob Berry | Bob Berry | 2nd |
| 21.5.1955 | LCCC Oulton Park [Handicap S+2.1] | 50 | XK120 LT | Bob Berry | Bob Berry | 3rd |
| 21.5.1955 | LCCC Oulton Park [Handicap +2.1] | 50 | XK120 LT | Bob Berry | Bob Berry | 1st |
| 21.5.1955 | LCCC Oulton Park [Racing Handicap] | 50 | XK120 LT | Bob Berry | Bob Berry | 1st |
| 21.5.1955 | LCCC Oulton Park [Sports Handicap] | 51 | XK120 | W. K. Blomfield | W. K. Blomfield | DNA |
| 21.5.1955 | Trofeo Sardo | | C-type | Dan Margulies | | 3rd |
| 22.5.1955 | Marlboro [Jaguar] | 0 | XK140 MC | Charles Wallace | | 3rd |
| 22.5.1955 | Marlboro [S+2.0] | 0 | XK140 MC | Charles Wallace | | 3rd |
| 22.5.1955 | Marlboro [Jaguar] | 18 | XK140 MC | Dick Thompson | | 1st |
| 22.5.1955 | Marlboro [S+2.0] | 18 | XK140 MC | Dick Thompson | | 1st |
| 22.5.1955 | Marlboro [Novice +1.5] | 25 | | Chester Cowen | | 1st |
| 22.5.1955 | Marlboro [Jaguar] | 45 | XK120 | Chuck Sarle | | 2nd |
| 22.5.1955 | Marlboro [S+2.0] | 45 | XK120 | Chuck Sarle | | 2nd |
| 28.5.1955 | SMRC Snetterton [Jaguars XK120 & C-type ] | 61 | C-type | Peter Blond | | 3rd |
| 28.5.1955 | SMRC Snetterton [Sports Unlimited] | 61 | C-type | Peter Blond | | 5th |
| 28.5.1955 | SMRC Snetterton [Jaguars XK120 & C-type ] | 64 | C-type | David Boston | | 4th |
| 28.5.1955 | SMRC Snetterton [Sports Unlimited] | 66 | C-type | Bill Smith | | 3rd |
| 28.5.1955 | SMRC Snetterton [Jaguars XK120 & C-type ] | 66 | C-type | Bill Smith | | 1st |
| 28.5.1955 | SMRC Snetterton [Formula Libre] | 66 | C-type | Bill Smith | | 4th |
| 28.5.1955 | SMRC Snetterton [Sports Unlimited] | 70 | C-type | Jock Lawrence | J. K. Hunter | 4th |
| 28.5.1955 | SMRC Snetterton [Jaguars XK120 & C-type ] | 70 | C-type | Jock Lawrence | J. K. Hunter | 2nd |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 0 | XK120 M | John Knight | | 6th |
| 29.5.1955 | SCCA Regional Thompson [Match Race] | 1 | XK120 M | Richard Perrin | | 2nd |
| 29.5.1955 | GP des Frontières | 6 | XK120 | Roger Meunier | Hugo De Ridder | 2nd |
| 29.5.1955 | GP des Frontières | 12 | C-type | Paul Vogel | Paul Vogel | DNF |
| 29.5.1955 | Eifelrennen Nürburgring | 12 | D-type | Desmond Titterington | Ecurie Ecosse | DNS |
| 29.5.1955 | Eifelrennen Nürburgring | 14 | D-type | Jimmy Stewart | Ecurie Ecosse | DNS |
| 29.5.1955 | Eifelrennen Nürburgring | 15 | C-type | Dan Margulies | Dan Margulies | 17th |
| 29.5.1955 | National Zandvoort | 72 | C-type | | | raced |
| 29.5.1955 | SCCA Regional Thompson [FM+CP] | 77 | XK120 | Don McComb | | 6th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 80 | XK140 MC | Harry Carter | | 3rd |
| 29.5.1955 | SCCA Regional Thompson [Match Race] | 83 | XK140 MC | John Gordon Bennett | | 6th |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 85 | XK120 M | Evelyn Mull | | 9th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 86 | XK120 M | Ed Droesch | | 9th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 90 | XK120 M | William S. Winfield | | 7th |
| 29.5.1955 | SCCA Regional Thompson [Jaguar] | 91 | XK120 M | R. Leonard | | 8th |
| 29.5.1955 | Santa Barbara [S+1.5] | 119 | XK120 | Kudler | | raced |
| 29.5.1955 | SCCA Regional Thompson [CM+DM] | 119 | C-type | Jack Crusoe | | 2nd |
| 29.5.1955 | National Zandvoort | - | XK120 | | | raced |
| 29.5.1955 | National Zandvoort | - | XK120 | | | raced |
| 29.5.1955 | Consolation Santa Barbara [S+1.5] | | XK140 MC | Bob Weller | | 3rd |
| 29.5.1955 | Consolation Santa Barbara [S+1.5] | | XK120 M | Bob Dickson | | 4th |
| 29.5.1955 | GP Tangier [2.0/+2.0] | | | Jean Diaz | | 10th |