| 29.5.1955 | SCCA Regional Thompson [MG] | 5 | TD | Bill Schade | | 3rd |
| 29.5.1955 | SCCA Regional Thompson [MG] | 6 | TC | Sidney Miller | | 2nd |
| 29.5.1955 | SCCA Regional Thompson [MG] | 23 | TC | George Valentine | | 1st |
| 29.5.1955 | BRSCC Brands Hatch [S1.5] | 56 | TD | Bill Constable | | 6th |
| 29.5.1955 | Santa Barbara [S+1.5] | | Special R1 | Cy Yedor | | ?th |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 16 | TD | Budd Blume | Bud Blume | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 16 | TD | Budd Blume | Bud Blume | DNF |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 19 | TD Mk II | Roy Heath | Roy Heath | raced |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 24 | TD | Joe Mayer | Joe Mayer | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 24 | TD | Joe Mayer | Joe Mayer | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 25 | TD | Sandy Downs | Sandy Downs | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 25 | TD | Sandy Downs | Sandy Downs | DNA |
| 30.5.1955 | Iowa [Ladies] | 30 | | Dorothy Baker | Jack Baker | DNA |
| 30.5.1955 | Iowa [BM+CM+DM+EM+CP+DP+EP] | 30 | | Jack Baker | Jack Baker | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 31 | TD | Wally Ingram | Wally Ingram | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 31 | TD | Wally Ingram | Wally Ingram | DNA |
| 30.5.1955 | National Davidstow [S1.3] | 36 | TD | P. Carder | | raced |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 38 | TD | Walter McCray | Walt McCray | DNA |
| 30.5.1955 | Iowa [Novice 1.5] | 38 | TD | Walter McCray | Walt McCray | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 44 | TF | Norm Patton | Norman Patton | raced |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 44 | TF | Norm Patton | Norman Patton | 9th |
| 30.5.1955 | Iowa [Novice 1.5] | 49 | TD | Charles Torongo | Charles Torongo, Jr. | DNA |
| 30.5.1955 | Iowa [Ladies] | 58 | TD | Wilma Boone | Wilma Boone | DNA |
| 30.5.1955 | Iowa [Novice 1.5] | 58 | TD | Wilma Boone | Wilma Boone | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 58 | TD | Wilma Boone | Wilma Boone | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 60 | TD | Duane Beane | Duane Beane | DNA |
| 30.5.1955 | Iowa [Novice 1.5] | 60 | TD | Duane Beane | Duane Beane | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 62 | TD | Bill Wuesthoff | William Wuesthoff | DNA |
| 30.5.1955 | Iowa [Novice 1.5] | 62 | TD | Bill Wuesthoff | William Wuesthoff | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 62 | TD | Bill Wuesthoff | William Wuesthoff | raced |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 74 | TD | Keith Thomson | Keith Thomson | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 74 | TD | Keith Thomson | Keith Thomson | DNA |
| 30.5.1955 | Iowa [Novice 1.5] | 74 | TD | Keith Thomson | Keith Thomson | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 88 | TD | Bob Cole | Robert Cole | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 88 | TD | Bob Cole | Robert Cole | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 106 | TD | Howard Peters | Howard Peters | DNA |
| 30.5.1955 | Iowa [Novice 1.5] | 106 | TD | Howard Peters | Howard Peters | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 106 | TD | Howard Peters | Howard Peters | DNA |
| 30.5.1955 | Iowa [EM+FM+CP+DP+EP] | 107 | TD Special | Frank Meiners | Frank Meiners | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 110 | TD | John Goans | John Goans, Jr. | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 110 | TD | John Goans | John Goans, Jr. | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 111 | TD | George Tipsword | George Tipsword | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 111 | TD | George Tipsword | George Tipsword | DNA |
| 30.5.1955 | Iowa [GM+HM+FP+GP] | 116 | TD | Lew Welge | Lew Welge | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | 116 | TD | Lew Welge | Lew Welge | DNA |
| 30.5.1955 | Iowa [FM+GM+FM+FP+GP] | | TD | Ben Harris | Pat Smith | DNF |
| 4.6.1955 | 8 Clubs Silverstone [Scratch] | 34 | TF | M. I. Webb | | 3rd |
| 4.6.1955 | 8 Clubs Silverstone [Handicap] | 34 | TF | M. I. Webb | | 2nd |
| 4.6.1955 | 8 Clubs Silverstone [Handicap] | 44 | TA | Hugh Cocker | | 1st |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 7 | TC Special | Leo Bourke | Reno Racing Team | 3rd |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 10 | TF 1500 | Lou Keller | | 7th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 13 | TF 1500 | R. Gillespie | | 5th |
| 5.6.1955 | Santa Rosa [S1.5] | 22 | TD | Morrow Decker | | ?th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 22 | TD | Morrow Decker | | 15th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 28 | TF 1500 | R. Parsons | | 6th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 30 | TF | John O'Neill | | 18th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 33 | TD | Roy Storey | | 8th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 46 | TD | Greg Teaby | Riolo | 22nd |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 47 | TD | Jerry Behrens | | 14th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 47 | TD | Jerry Behrens | | 11th |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 50 | TF | Eric de Reynier | | 10th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 50 | TF 1500 | Eric de Reynier | | 9th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 52 | TC | Bill Mark | | 10th |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 52 | TC | Bill Mark | | 12th |
| 5.6.1955 | Santa Rosa [S1.5] | 55 | Special | Sam Weiss | | 5th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 61 | TF 1500 | Mogens Skov | | 2nd |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 65 | TC | Lloyd Sanders | | 11th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 66 | TF 1500 | Kjell Qvale | | 1st |
| 5.6.1955 | Santa Rosa [Production 3.0] | 66 | TF 1500 | Kjell Qvale | | 20th |
| 5.6.1955 | Santa Rosa [S1.5] | 66 | TF 1500 | Kjell Qvale | | 8th |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 66 | TF 1500 | Jim Hughes | | 6th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 81 | TF 1500 | C. Leighton | | 3rd |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 81 | TF 1500 | C. Leighton | | 5th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 81 | TF 1500 | C. Leighton | | 12th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 83 | TD | W. J. Morford | | 14th |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 84 | TD | William Winslow | | 16th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 86 | TD | Pat Hart | | 13th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 91 | TF 1500 | Robert Vallarino | | 4th |
| 5.6.1955 | Santa Rosa [Production 3.0] | 91 | TF 1500 | Robert Vallarino | | 13th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 115 | TC | Dick Nollner | | 19th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 122 | TD | Leo Clouse | | 16th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 126 | TD | Fred Lustig | | 21st |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 128 | TD | John Carlson | | 13th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 128 | TD | John Carlson | | 12th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 130 | TD | Fred Biven | | 20th |
| 5.6.1955 | Santa Rosa [MG Production 1.5] | 135 | TD | Jeffrey Tucker | | 17th |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 152 | TD | Bill Olsen | | 8th |
| 5.6.1955 | Novice Santa Rosa [Modified 1.5] | 163 | Special | Ernest Mack | | 4th |
| 12.6.1955 | 24 h Le Mans | 41 | A EX182 | Miles / Lockett | MG Cars Ltd. | 12th |
| 12.6.1955 | 24 h Le Mans | 42 | A EX182 | Jacobs / Flynn | MG Cars Ltd. | DNF |
| 12.6.1955 | 24 h Le Mans | 64 | A EX182 | Lund / Waeffler | MG Cars Ltd. | 17th |
| 12.6.1955 | 24 h Le Mans | T | A EX182 | | MG Cars Ltd. | T-car |
| 18.6.1955 | Preliminary Hansen Dam [Modified 1.5] | 7 | TC Special | Giver Crenshaw | Giver Crenshaw | raced |
| 18.6.1955 | Preliminary Hansen Dam [Production MG 1.3] | 13 | TD | Ramon Pickering | Ramon Holmes Pickering | DNA |
| 18.6.1955 | Preliminary Hansen Dam [Production 1.5] | 24 | TF 1500 | Ed Barker | Edmund Barker | 3rd |
| 18.6.1955 | Preliminary Hansen Dam [Modified 1.5] | 25 | Special R1 | Cy Yedor | Cy Yedor | DNA |
| 18.6.1955 | BARC Goodwood [Closed Car Handicap] | 71 | Magnette | Alan Foster | | 3rd |
| 18.6.1955 | Preliminary Hansen Dam [Modified 1.5] | 93 | | | | raced |
| 18.6.1955 | Preliminary Hansen Dam [Production MG 1.3] | | TF | John Lumkin | | 1st |
| 18.6.1955 | Preliminary Hansen Dam [Production 1.5] | | TF 1500 | Hal Butler | | 2nd |