| 31.7.1955 | Preliminary Seafair [All Classes] | 131 | | George Swift | Gene Sweeney | 10th |
| 6.8.1955 | Charterhall International [Sports] | 67 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 6.8.1955 | Charterhall International [S2.7] | 67 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 13.8.1955 | 1 h Edenvale [Le Mans Handicap] | 7 | | Alan Millar | | DNA |
| 13.8.1955 | Edenvale [S3.0] | 7 | | Alan Millar | | DNA |
| 13.8.1955 | 1 h Edenvale [Le Mans Handicap] | 98 | #AHS 3503 | Jim Fergusson | | 17th |
| 13.8.1955 | Edenvale [S3.0] | 98 | #AHS 3503 | Jim Fergusson | | DNA |
| 13.8.1955 | 1 h Edenvale [Le Mans Handicap] | 126 | #AHS 3502 | Robert Fergus | | DNA |
| 13.8.1955 | Edenvale [S3.0] | 126 | #AHS 3502 | Robert Fergus | | 2nd |
| 13.8.1955 | NSCC Silverstone [Sports Unlimited] | | #AHS 3702 | John Dalton | | 4th |
| 21.8.1955 | Novice Buchanan Field [Modifed +1.5] | 103 | | Ken Livesy | Francis Lederer | DNA |
| 21.8.1955 | Buchanan Field [Modified +1.5] | 103 | | Jack Duncan | Francis Lederer | 7th |
| 21.8.1955 | Buchanan Field [Modified +1.5] | 131 | | George Swift | Gene Sweeney | 6th |
| 27.8.1955 | ADMC Crimond [Formula Libre] | 2 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 27.8.1955 | ADMC Crimond [Sports] | 2 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 27.8.1955 | ADMC Crimond [S2.7] | 2 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 27.8.1955 | Oulton Park International | 46 | | Lance Macklin | Donald Healey Motors Co. | 12th |
| 4.9.1955 | SCCA National Thompson [CM+DM] | 31 | | George Bortin | | 10th |
| 4.9.1955 | SCCA National Thompson [CM+DM] | 45 | #AHS 3506 | William Brewster | | 11th |
| 4.9.1955 | SCCA National Thompson [CM+DM] | 59 | #AHS 3507 | Vin Sardi | | 8th |
| 4.9.1955 | SCCA National Thompson [CM+DM] | 69 | #AHS 3505 | Traver McKenna | | 6th |
| 4.9.1955 | SCCA National Thompson [CM+DM] | 72 | #AHS 3501 | Bob Wittke | | DNA |
| 5.9.1955 | SCCA National Kansas City [BM+CM+DM+EM+FM] | 50 | #AHS 3603 | Karl Kopplin | | 11th |
| 5.9.1955 | Preliminary Kansas City [BM+CM+DM+EM+FM] | 50 | #AHS 3603 | Karl Kopplin | | 14th |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 145 | #AHS 3603 | Karl Kopplin | Karl Kopplin | DNA |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 164 | #AHS 3502 | Robert Fergus | Robert H. Fergus | DNA |
| 17.9.1955 | GP Watkins Glen | 24 | #AHS 3501 | Bob Wittke | Robert A. Wittke | 14th |
| 17.9.1955 | GP Watkins Glen | 38 | #AHS 3504 | Fred Allen | Jackie Cooper | 12th |
| 17.9.1955 | GP Watkins Glen | 45 | #AHS 3506 | William Brewster | William Brewster | 13th |
| 17.9.1955 | GP Watkins Glen | 69 | #AHS 3505 | Traver McKenna | Traver H. McKenna, Jr. | 11th |
| 17.9.1955 | GP Watkins Glen | 87 | | Walt Hansgen | George Bortin | 9th |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 87 | | George Bortin | George Bortin | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 100 | #AHS 3802 | John B. Mull | John Barnes Mull | 22nd |
| 17.9.1955 | GP Watkins Glen | 110 | #AHS 3503 | Jim Fergusson | Jim Ferguson | DNF |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 162 | #AHS 3507 | Vin Sardi | Vincent Sardi, Jr. | DNF |
| 17.9.1955 | GP Watkins Glen | 203 | | Alan Millar | Alan R. M. Millar | 15th |
| 18.9.1955 | Tourist Trophy | 19 | #AHS 3810 | Flower / Llewellyn | Raymond Flower | 14th |
| 18.9.1955 | Tourist Trophy | 20 | #AHS 3702 | Macklin / Dalton | John Dalton | DNF |
| 1.10.1955 | Novice Salinas [S+1.5] | 4 | | Bob McLean | Reidel | raced |
| 1.10.1955 | Edenvale [S3.0] | 41 | | Jim Fergusson | | raced |
| 1.10.1955 | Edenvale [Formula Libre] | | | Alan Millar | | 2nd |
| 1.10.1955 | Edenvale [S3.0] | | | Alan Millar | | 2nd |
| 1.10.1955 | Novice Salinas [S+1.5] | | | Gene Sweeney | | raced |
| 2.10.1955 | WJC Charterhall [Racing] | 26 | #AHS 3904 | Ted Evans | B. L. Carlaw | 2nd |
| 2.10.1955 | WJC Charterhall [Sports] | 26 | #AHS 3904 | Ted Evans | B. L. Carlaw | DNA |
| 2.10.1955 | WJC Charterhall [S2.7] | 26 | #AHS 3904 | Ted Evans | B. L. Carlaw | 3rd |
| 9.10.1955 | SCCA Regional Thompson [DM] | 5 | | Walt Hansgen | George Bortin | 1st |
| 9.10.1955 | SCCA Regional Thompson [DM] | 15 | #AHS 3501 | Briggs Cunningham, Jr. | | 2nd |
| 9.10.1955 | SCCA Regional Thompson [DM] | 33 | #AHS 3802 | John B. Mull | | 4th |
| 9.10.1955 | SCCA Regional Thompson [DM] | 45 | #AHS 3506 | William Brewster | | raced |
| 9.10.1955 | SCCA Regional Thompson [DM] | 69 | #AHS 3505 | Traver McKenna | | 3rd |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 11 | | Walt Hansgen | Walt Hansgen | 6th |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 31 | #AHS 3802 | John B. Mull | Evelyn S. Mull | 19th |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 63 | | George Bortin | George Bortin | 14th |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 124 | #AHS 3507 | Vin Sardi | Vincemt Sardi, Jr. | 9th |
| 16.10.1955 | SCCA National Hagerstown [BM+CM+DM+EM] | 169 | #AHS 3505 | Traver McKenna | Traver H. McKenna, Jr. | 11th |
| 16.10.1955 | Smartt Field [S+1.5] | | | Karl Kopplin | | 5th |
| 22.10.1955 | 6 h Torrey Pines | 61 | #AHS 3508 | Pringle / Jackson-Moore | P. G. Gough | 3rd |
| 23.10.1955 | Torrey Pines [S+1.5] | 61 | #AHS 3508 | Jackson-Moore / Pringle | P. G. Gough | DNA |
| 30.10.1955 | SCCA National Sacramento [BM+CM+DM+EM] | 64 | #AHS 3610 | Fred Knoop | | 4th |
| 30.10.1955 | SCCA National Sacramento [BM+CM+DM+EM] | 103 | | Jack Duncan | | 8th |
| 30.10.1955 | SCCA National Sacramento [BM+CM+DM+EM] | 131 | | George Swift | | 11th |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 61 | #AHS 3508 | Bill Pringle | P. G. Gough | 8th |
| 3.12.1955 | Preliminary Palm Springs [DM+EM+FL] | 95 | | Bill Pringle | | 5th |
| 4.12.1955 | Main Palm Springs [S+1.5] | 95 | | Bill Pringle | | 23rd |
| 9.12.1955 | Governor's Trophy | 29 | #SPL 258BN | Stirling Moss | Donald Healey | 11th |
| 9.12.1955 | Nassau [Production +2.0] | 29 | #SPL 258BN | Stirling Moss | Donald Healey | 6th |
| 9.12.1955 | Governor's Trophy | 44 | | Fred Allen | | 24th |
| 9.12.1955 | Nassau [Production +2.0] | 44 | | Fred Allen | | raced |
| 9.12.1955 | Governor's Trophy | 70 | #AHS 3502 | Robert Fergus | Robert H. Fergus | 14th |
| 9.12.1955 | Nassau [Production +2.0] | 70 | #AHS 3502 | Robert Fergus | Robert H. Fergus | raced |
| 11.12.1955 | Nassau Trophy | 29 | #SPL 258BN | Stirling Moss | Donald Healey | 52nd |
| 11.12.1955 | Nassau Trophy | 44 | | Fred Allen | | 51st |