| 4.9.1955 | SCCA National Thompson [CM+DM] | 0 | XK120 M | John Knight | | 7th |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 2 | XK120 MC | Peyton MacCormack | | 1st |
| 4.9.1955 | Courtland [Main] | 2 | XK120 MC | Peyton MacCormack | | 1st |
| 4.9.1955 | Courtland [Production +1.5/Modified +1.3] | 5 | | James Hamby | | DNA |
| 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 | 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 | Skarpnäcksloppet [PS2.0/PS+2.0] | 25 | XK120 | Sten Bielke | | ?th |
| 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 | Santa Barbara [Production +1.5] | 27 | XK120 M | Conklin / Conklin | Bill 'Skip' Conklin | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 27 | XK140 MC | Richard Kessler | | DNA |
| 4.9.1955 | Skarpnäcksloppet [PS2.0/PS+2.0] | 30 | XK120 | Charles Gardemo | | raced |
| 4.9.1955 | Santa Barbara [Production +1.5] | 35 | XK120 | Ralph E. Phillips, Jr. | Ralph E. Phillips, Jr. | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 38 | XK120 M | Ed Droesch | | 7th |
| 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 | 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 | SCCA National Thompson [CM+DM] | 51 | C-type | Jack Crusoe | | 3rd |
| 4.9.1955 | SCCA National Thompson [CP] | 58 | XK120 M | Jordan King | | 6th |
| 4.9.1955 | Santa Barbara [Production +1.5] | 63 | XK120 | Ignacio Lozano | Ignacio Lozano | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 69 | XK140 MC | Bob Weller | Bob Weller | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 80 | XK120 | Matthews / Matthews | Jame F. Matthews | DNA |
| 4.9.1955 | SCCA National Thompson [CP] | 80 | XK140 MC | Harry Carter | | 3rd |
| 4.9.1955 | Santa Barbara [Production +1.5] | 85 | XK120 M | John McGregor | John McGregor | DNA |
| 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 | Santa Barbara [Production +1.5] | 95 | XK120 | Jack Kahlo | Donald Jack Kahlo | DNA |
| 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 | Santa Barbara [Production +1.5] | 103 | XK120 M | Ces Critchlow | Les Critchlow | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 120 | XK120 | Bill Johnson | Ed Boughton | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 159 | XK120 | Ruby Vincent | Ruby Vincent | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 166 | XK120 M | Bob Dickson | Bob Dickson | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 190 | XK120 M | Jack Graham | Jack F. Graham | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 193 | XK140 MC | Raymond Allen | Raymond Allen | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 205 | XK120 | Howard Swift | Howard Swift | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 224 | XK140 MC | Bill Bennett | Bill Bennett | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 256 | XK120 | Gerald Aarons | Gerald Aarons | DNA |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 0 | XK140 | Charles Wallace | | 2nd |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 0 | XK140 | Charles Wallace | | 4th |
| 5.9.1955 | Preliminary Kansas City [BM+CM+DM+EM+FM] | 12 | C-type | Loyal Katskee | Loyal Katskee | 3rd |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 22 | XK120 | P. Massaglia | | 8th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 22 | XK120 | P. Massaglia | | 5th |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 28 | | David Deuble | | 7th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 28 | | David Deuble | | 8th |
| 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 | Preliminary Kansas City [CP+DP+EP] | 79 | | Ed French | | 9th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 79 | | Ed French | | 7th |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 99 | XK120 | Tom Newcomer | | 4th |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 99 | XK120 | A. Komisar | | 16th |
| 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] | 21 | XK140 MC | Margaret Wyllie | Dr. M. R. J. Wyllie | DNF |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 24 | XK120 | Tony Davenport | Anthony Davenport | DNA |
| 17.9.1955 | USAF Trophy Oulton Park | 58 | C-type | Dan Margulies | Dan Margulies | DNA |
| 17.9.1955 | USAF Trophy Oulton Park | 60 | XK120 | Grahame Maude | Grahame Maude | DNF |
| 17.9.1955 | National Silverstone [Formula Libre] | 60 | D-type | Duncan Hamilton | D. Hamilton | 6th |
| 17.9.1955 | GP Watkins Glen | 60 | D-type | Sherwood Johnston | Briggs S. Cunningham | 1st |
| 17.9.1955 | National Silverstone [S+2.0] | 60 | D-type | Duncan Hamilton | D. Hamilton | 1st |
| 17.9.1955 | National Silverstone [S+2.0] | 61 | D-type | Michael Head | D. Hamilton | 2nd |
| 17.9.1955 | National Silverstone [Formula Libre] | 61 | D-type | Michael Head | D. Hamilton | 8th |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 63 | XK140 MC | Tom Kerr | Thomas P. Kerr | 13th |
| 17.9.1955 | National Silverstone [S+2.0] | 66 | C-type | John Barber | Mrs. Vickers | 5th |
| 17.9.1955 | USAF Trophy Oulton Park | 68 | XK120 | John Ogier | John Ogier | DNA |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 93 | XK120 | Bill Towse | Bill Towse | DNA |
| 17.9.1955 | USAF Trophy Oulton Park | 98 | XK140 | Robert Walshaw | Rob Walshaw | DNA |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 112 | XK140 MC | Dick Thompson | Dr. R. K. Thompson, Jr. | 3rd |
| 17.9.1955 | GP Watkins Glen | 159 | D-type | Peter Templar | Ecurie Tortue | DNA |
| 17.9.1955 | GP Watkins Glen | 176 | Special | John Sinclair | Coby Whitmore & John C. Sinclair | 10th |
| 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 |