| 4.9.1955 | SCCA National Thompson [CM+DM] | 0 | XK120 M | John Knight | | 7th |
| 4.9.1955 | Courtland [Main] | 2 | XK120 MC | Peyton MacCormack | | 1st |
| 4.9.1955 | Stockholmsloppet [S+2.0] | 2 | C-type | Dan Margulies | | raced |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 2 | XK120 MC | Peyton MacCormack | | 1st |
| 4.9.1955 | Courtland [Ladies] | 5 | | Mrs. James Hamby | | DNA |
| 4.9.1955 | Courtland [Main] | 5 | | James Hamby | | DNA |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 5 | | James Hamby | | DNA |
| 4.9.1955 | Courtland [Ladies] | 7 | | Mrs. C. Thompson | | 2nd |
| 4.9.1955 | Courtland [Main] | 7 | XK120 | C. Thompson | | 2nd |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 7 | XK120 | C. Thompson | | 2nd |
| 4.9.1955 | Courtland [Main] | 10 | XK120 | Prentice Knapp | | DNA |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 10 | XK120 | Prentice Knapp | | DNA |
| 4.9.1955 | Courtland [Main] | 21 | | Don Horn | | DNA |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 21 | | Don Horn | | 4th |
| 4.9.1955 | Skarpnäcksloppet [PS2.0/PS+2.0] | 21 | C-type | Dan Margulies | | DNA |
| 4.9.1955 | Courtland [Main] | 24 | | Cordra York | | 3rd |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 24 | | Cordra York | | DNA |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 25 | | Frank Stroud | | DNA |
| 4.9.1955 | Courtland [Main] | 25 | | Frank Stroud | | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 27 | XK140 MC | Richard Kessler | | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 29 | XK140 MC | Bob Bucher | | 2nd |
| 4.9.1955 | Skarpnäcksloppet [PS2.0/PS+2.0] | 30 | XK120 | Charles Gardemo | | raced |
| 4.9.1955 | SCCA National Thompson [CP] | 38 | XK120 M | Ed Droesch | | 7th |
| 4.9.1955 | SCCA National Thompson [CP] | 39 | XK120 M | Richard Droesch | | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 41 | XK140 MC | Bob Grossman | | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 47 | XK140 M | Victor Forno | | DNA |
| 4.9.1955 | BRSCC Brands Hatch [S+1.9] | 47 | XK120 | Grahame Maude | | 4th |
| 4.9.1955 | SCCA National Thompson [CP] | 49 | XK120 M | George Constantine | | 5th |
| 4.9.1955 | SCCA National Thompson [CP] | 50 | XK120 M | Herbert Oatley | | DNA |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 51 | Special | Fred Woodward | Fred Woodward | DNA |
| 4.9.1955 | SCCA National Thompson [CM+DM] | 51 | C-type | Jack Crusoe | | 3rd |
| 4.9.1955 | SCCA National Thompson [CP] | 52 | XK120 | Gordon MacKenzie | | DNA |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 54 | C-type | Jack Douglas | Jack Douglas | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 58 | XK120 M | Jordan King | | 6th |
| 4.9.1955 | SCCA National Thompson [CP] | 80 | XK140 MC | Harry Carter | | 3rd |
| 4.9.1955 | SCCA National Thompson [CP] | 88 | XK140 MC | Tom Kerr | | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 91 | XK140 MC | Dick Thompson | | 1st |
| 4.9.1955 | SCCA National Thompson [CP] | 96 | XK140 MC | Keene Annis | | 4th |
| 4.9.1955 | SCCA National Thompson [CP] | 99 | XK120 | Herb Hoefler | | DNA |
| 4.9.1955 | SCCA National Thompson [BM+UR] | 108 | Special | John Sinclair | | 6th |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 130 | C-type | Harrison Evans | Harrison Evans | DNA |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 155 | C-type | Harold Erb | Bob Downey | DNA |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 196 | | Bob Drake | Tony Parravano | DNA |
| 4.9.1955 | Santa Barbara [Modified +1.5] | 227 | | Robert Baker | J. K. Grover | DNA |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 0 | XK140 | Charles Wallace | | 4th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 0 | XK140 | Charles Wallace | | 2nd |
| 5.9.1955 | Preliminary Kansas City [BM+CM+DM+EM+FM] | 12 | C-type | Loyal Katskee | Loyal Katskee | 3rd |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 22 | XK120 | P. Massaglia | | 5th |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 22 | XK120 | P. Massaglia | | 8th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 28 | | David Deuble | | 8th |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 28 | | David Deuble | | 7th |
| 5.9.1955 | Preliminary Kansas City [BM+CM+DM+EM+FM] | 37 | C-type | McMullen | | 12th |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 73 | XK140 | P. Mason | | 6th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 79 | | Ed French | | 7th |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 79 | | Ed French | | 9th |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 99 | XK120 | A. Komisar | | 16th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 99 | XK120 | Tom Newcomer | | 4th |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 171 | XK140 | Ralph Miller | | 5th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 171 | XK140 | Ralph Miller | | 3rd |
| 10.9.1955 | PMC Silverstone [Sports Unlimited] | 50 | XK120 | Grahame Maude | | 3rd |
| 10.9.1955 | PMC Silverstone [Handicap S+1.5] | 50 | XK120 | Grahame Maude | | 1st |
| 11.9.1955 | SCCA National Road America [CP] | 0 | XK140 MC | Charles Wallace | Jack Pry | DNF |
| 11.9.1955 | SCCA National Road America [CP] | 1 | | Robert Weiler | Robert Weiler | DNA |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 12 | | Loyal Katskee | Loyal Katskee | DNF |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 27 | D-type | Ernie Erickson | Ernie Erickson | 3rd |
| 11.9.1955 | SCCA National Road America [CP] | 29 | | Bill Larson | Dr. William H. Larson | 6th |
| 11.9.1955 | SCCA National Road America [CP] | 37 | | Tom Kerr | Thomas P. Kerr | 9th |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 60 | D-type | Sherwood Johnston | Briggs Cunningham | 2nd |
| 11.9.1955 | SCCA National Road America [CP] | 96 | | Tom Newcomer | Aaron Komisar | 3rd |
| 11.9.1955 | SCCA National Road America [CP] | 97 | | Larry Kahl | Larry Kahl | 8th |
| 11.9.1955 | SCCA National Road America [CP] | 99 | | Andy Rosenberger | Andy Rosenberger | DNA |
| 11.9.1955 | SCCA National Road America [CP] | 108 | | Jim Jeffords | James W. Jeffords | 2nd |
| 11.9.1955 | SCCA National Road America [CP] | 116 | | David Deuble | David A. Deuble | 4th |
| 11.9.1955 | SCCA National Road America [CP] | 117 | XK120 M | Howard Quick | Howard L. Quick | 10th |
| 11.9.1955 | SCCA National Road America [CP] | 137 | | Ralph Miller | Ralph Miller | 1st |
| 11.9.1955 | SCCA National Road America [CP] | 163 | | John Kilborn | John Kilborn | DNF |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 181 | C-type | Jack Douglas | Jack Douglas | 11th |
| 11.9.1955 | SCCA National Road America [CP] | 186 | | B. W. Coan | Dr. B. W.Coan | DNA |
| 11.9.1955 | SCCA National Road America [CP] | 201 | XK140 MC | Raymond Mason | R. E. Mason, Jr. | DNF |
| 11.9.1955 | SCCA National Road America [CP] | 222 | | Roy Fleischman | Roy Fleischman | 11th |
| 11.9.1955 | SCCA National Road America [CP] | 999 | | Robert Gatz | Robert E. Gatz | 5th |
| 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 [CP+DP+EP] | 26 | XK120 M | Sid W. Blackman | S. W. Blackman | 12th |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 57 | XK140 MC | Victor Forno | Victor V. Forno | 7th |
| 17.9.1955 | GP Watkins Glen | 70 | C-type | Jack Crusoe | Jack Crusoe | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 82 | XK120 M | Peggy McClure | Margaret Ann McClure | 10th |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 93 | XK140 MC | Robert Weiler | Robert Weiler | 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] | 124 | XK120 M | Robert Kahmer | Robert I. Kahmer | DNF |
| 17.9.1955 | GP Watkins Glen | 147 | C-type | Jack Douglas | Jack Douglas | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 155 | XK120 M | Jordan King | Jordan C. King | 15th |
| 17.9.1955 | GP Watkins Glen | 159 | D-type | Peter Templar | Ecurie Tortue | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 191 | XK120 M | Ed Droesch | Edward F. Droesch | 19th |
| 17.9.1955 | GP Watkins Glen | 191 | XK120 M | Ed Droesch | Edward F. Droesch | DNA |
| 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 [Formula Libre] | 288 | XK120 | Chris Eden | Chris E. Eden | 6th |