| 20.3.1955 | SCCA Regional Stockton [Modified 1.5] | | 1500 | I. W. Stephenson | | raced |
| 17.4.1955 | SCCA National Pebble Beach [FP+GP] | 172 | | | | raced |
| 17.4.1955 | SCCA National Pebble Beach [FP+GP] | | | | | raced |
| 24.4.1955 | SCCA Regional Thompson [FP] | 21 | | Paul Flickinger | | 2nd |
| 1.5.1955 | SCCA Regional Thompson [FP] | 23 | | Paul Flickinger | | 2nd |
| 1.5.1955 | SCCA Regional Thompson [FP] | | | | | raced |
| 13.5.1955 | Ulster Trophy | | | S. M. Noble | | DNF |
| 15.5.1955 | SCCA National Cumberland [EP+FP+GP] | 50 | | Paul Flickinger | P. J. Flickinger | raced |
| 29.5.1955 | SCCA Regional Thompson [FP] | 31 | | Paul Flickinger | | 6th |
| 29.5.1955 | SCCA Regional Thompson [FP] | 46 | | R. Richter | | 9th |
| 30.5.1955 | National Davidstow [S1.5] | 45 | | John Richard-Aley | | raced |
| 4.6.1955 | 8 Clubs Silverstone [Scratch] | 126 | 1500 Lightweight | Bluebelle Gibbs | | 2nd |
| 5.6.1955 | Santa Rosa [Production 3.0] | 171 | 1500 | Calvin Paige | I. W. Stephenson | 21st |
| 18.6.1955 | Preliminary Hansen Dam [Production 1.5] | 80 | 1500 | Stephenson / Mapiera | I. W. Stephenson | DNA |
| 18.6.1955 | BARC Goodwood [Ladies Handicap] | 89 | 1500 Lightweight | Bluebelle Gibbs | | 5th |
| 19.6.1955 | Hansen Dam [S1.5] | 80 | 1500 | Stephenson / Mapiera | I. W. Stephenson | DNA |
| 3.7.1955 | Milwaukee [FM+GM+HM+IM+FP+GP] | 58 | | Bob Clark | | 12th |
| 3.7.1955 | Milwaukee [FP+GP] | 58 | | Bob Clark | | DNA |
| 10.7.1955 | Preliminary Torrey Pines [FP+GP+HP] | 170 | 1500 | I. W. Stephenson | I. W. Stephenson | DNF |
| 10.7.1955 | SCCA National Torrey Pines [S1.5] | 170 | 1500 | I. W. Stephenson | I. W. Stephenson | DNA |
| 23.7.1955 | AMOC Silverstone [Handicap] | 65 | 1500 Lightweight | Bluebelle Gibbs | | 2nd |
| 20.8.1955 | 9 h Goodwood | 33 | Twin Cam Mk II | Calvert / Green | D. J. Calvert | 20th |
| 3.9.1955 | Preliminary Santa Barbara [Production 2.0] | 180 | 1500 | I. W. Stephenson | I. W. Stephenson | DNA |
| 3.9.1955 | Sunbac Silverstone [Handicap Heat 3] | | 1500 Lightweight | Bluebelle Gibbs | | 1st |
| 4.9.1955 | SCCA National Thompson [FP] | 68 | | Robert Richer | | DNA |
| 4.9.1955 | Santa Barbara [Production 1.5] | 180 | 1500 | I. W. Stephenson | I. W. Stephenson | DNA |
| 11.9.1955 | SCCA National Road America [FP] | 68 | | Jack Wherry | John Wherry | 16th |
| 17.9.1955 | AMOC Oulton Park [S1.5] | 102 | | R. T. Wilson | R. T. Wilson | DNA |
| 17.9.1955 | SCCA National Watkins Glen [FP+GP] | 126 | | Robert Richer | Robert E. Richer | 8th |
| 17.9.1955 | SCCA National Watkins Glen [FP+GP] | 135 | | Jack Wherry | John Decker Wherry | DNA |
| 24.9.1955 | BARC Goodwood [Ladies Handicap] | 65 | 1500 Lightweight | Bluebelle Gibbs | Mrs. Bluebelle Gibbs | 5th |
| 1.10.1955 | Castle Combe International [S2.0] | 70 | | R. E. B. Williams | R. E. B. Williams | DNA |
| 30.10.1955 | SCCA National Sacramento [FP+GP] | 180 | 1500 | I. W. Stephenson | | 9th |