| 15.5.1955 | Preliminary Cumberland [Ladies] | 24 | TC | Suzy Dietrich | S. Dietrich | 1st |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 24 | TC | Suzy Dietrich | S. Dietrich | DNF |
| 15.5.1955 | SCCA National Cumberland [MG] | 57 | TF 1500 | Dick Nash | R. L. Nash | 2nd |
| 15.5.1955 | SCCA National Cumberland [FM+GM+HM] | 66 | TF 1500 | R. D. Ryder | R. D. Ryder | raced |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 66 | TF 1500 | R. D. Ryder | R. D. Ryder | 2nd |
| 15.5.1955 | SCCA National Cumberland [MG] | 67 | TD | Bob Holbert | R. Holbert | 9th |
| 15.5.1955 | SCCA National Cumberland [MG] | 68 | TD | Bill Schade | W. S. Schade | DNA |
| 15.5.1955 | SCCA National Cumberland [MG] | 72 | | Ray Henley | R. H. Henley | DNA |
| 15.5.1955 | SCCA National Cumberland [MG] | 90 | TF | Ralph Durbin | R. L. Durbin | 3rd |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 91 | TF 1500 | Foxy Carter | Foxy Carter | 3rd |
| 15.5.1955 | SCCA National Cumberland [MG] | 92 | TC | Ed Licht | | 10th |
| 15.5.1955 | SCCA National Cumberland [FM+GM+HM] | 97 | TD | Charles Limbacher | C. R. Limbacher | 15th |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 101 | TD | Marilyn Steele | Max-Marilyn Steele | 7th |
| 15.5.1955 | SCCA National Cumberland [MG] | 109 | TF 1500 | Jack Ryan | J. E. Ryan | 1st |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 110 | TD | Strong | C. H. Strong | 13th |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 115 | TF | Barbara Goodman | B. J. Goodmann | DNA |
| 15.5.1955 | SCCA National Cumberland [MG] | 115 | TF | Barbara Goodman | B. J. Goodman | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 3.0] | 123 | | Ralph Snavely | R. T. Snavely | 18th |
| 15.5.1955 | SCCA National Cumberland [MG] | 127 | TF | William Long | W. R. Long | 6th |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 138 | TD | Mrs. B. Skitarelic | Dr. B. Skitarelic | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 141 | TF 1500 | Leech Cracraft | Leech Cracraft | 1st |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 146 | TC | Frank Baptista | F. W. Baptista | 6th |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 154 | TD | Bernard Lust | B. Lust | 20th |
| 15.5.1955 | SCCA National Cumberland [MG] | 155 | TF 1500 | Stephen Spitler | B. Lust | 5th |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 155 | TF 1500 | Rebecca Spitler | Bernard Luct | 11th |
| 15.5.1955 | SCCA National Cumberland [MG] | 160 | TD | Fred Reynolds, Jr. | F. Reynolds | 7th |
| 15.5.1955 | SCCA National Cumberland [MG] | 161 | TD | Mike Ward | M. Ward, Jr. | 8th |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 162 | TD | R. J. Weber | R. J. Weber | 27th |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 163 | TF 1500 | Bill Edwards | W. W. Edwards | 21st |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 166 | TC | J. R. McMaster | J. R. McMaster, Jr. | 28th |
| 15.5.1955 | SCCA National Cumberland [MG] | 169 | TF 1500 | Jack Manting | J. Manting | DNF |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 170 | TD | Gerald Hammons | G. L. Hammons | 18th |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 173 | TF 1500 | Neil Stewart | N. A. Stewart | 8th |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 178 | TC | D. C. Jones | D. C. Jones | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 179 | TC | P. L. Bragg | F. J. Hannig | 24th |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 185 | TD | Clement Boehler | C. F. Boehler | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 186 | TD | Peter Sanders | P. J. Sanders | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 189 | TC | Charles Ellmers | B. Hitchcock | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 196 | TD | Huntley Perry | H. H. Perry | DNA |
| 15.5.1955 | Preliminary Cumberland [Ladies] | 202 | TD | Barbara Yost | H. A. Logan, Jr. | 12th |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 202 | TD | Harry Logan | H. A. Logan, Jr. | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 219 | | James Diaz | B. Diaz | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 221 | TD | James Winchell | J. F. Winchell | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 222 | TF 1500 | Russell | R. Russell | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 223 | TF 1500 | Art Tweedale | A. Tweedale | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 224 | TD | H. E. Tolley | H. E. Tolley | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 235 | TD | Ted Jayne | T. Jayne | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 239 | TD | W. P. Ewig, Jr. | A. F. Kluth | DNA |
| 15.5.1955 | SCCA National Cumberland [MG] | 240 | TD | Ike Maxwell | I. A. Maxwell, Jr. | DNA |
| 15.5.1955 | SCCA National Cumberland [MG] | 244 | TC | Ken Livingstone | K. M. Livingstone, Jr. | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 249 | | Ken Wanamaker | K. C. Wanamaker | 12th |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 253 | TD | J. G. Hultgren | R. H. Hultgren | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice MG] | 258 | TC | Richard Green | R. Green | DNA |
| 15.5.1955 | Preliminary Cumberland [Novice 2.0] | 273 | TC | William Jennings Bryan | Wm. Jennings Bryan | DNA |
| 15.5.1955 | SCCA National Cumberland [MG] | 278 | TD | Gus Ehrman | G. Ehrman | 4th |
| 22.5.1955 | Marlboro [S2.0] | 29 | TD | Robert Lautz | | raced |
| 22.5.1955 | Marlboro [S2.0] | 70 | | Elmer Archibald | | ?th |
| 22.5.1955 | Marlboro [Novice 1.3] | 70 | | Elmer Archibald | | ?th |
| 22.5.1955 | Marlboro [S2.0] | | TF 1500 | Stephen Spitler | | ?th |
| 22.5.1955 | Marlboro [Novice 1.5] | | TF 1500 | Thomas Fitzsimmons | Tom Fitzsimmons | raced |
| 22.5.1955 | Marlboro [S2.0] | | TF 1500 | Ralph Russell | | ?th |
| 22.5.1955 | Marlboro [S2.0] | | TF | William Long | Scuderia Shadetree | ?th |
| 22.5.1955 | Marlboro [FP] | | TF 1500 | Foxy Carter | | 3rd |
| 22.5.1955 | Marlboro [Modified] | | | | | raced |
| 22.5.1955 | Marlboro [Modified] | | TD | | | raced |
| 22.5.1955 | Marlboro [S2.0] | | TC | Frank Baptista | | raced |
| 22.5.1955 | Marlboro [Novice 1.5] | | TD | Robert Lautz | | raced |
| 22.5.1955 | Marlboro [FP] | | TF 1500 | Dick Nash | | raced |
| 22.5.1955 | Marlboro [Modified] | | | | | raced |
| 22.5.1955 | Marlboro [FP] | | TF 1500 | Nick Ryder | | 2nd |
| 22.5.1955 | Marlboro [GP] | | TF | William Long | Scuderia Shadetree | 1st |
| 22.5.1955 | Marlboro [GP] | | TC | Frank Baptista | | 2nd |
| 22.5.1955 | Marlboro [FP] | | TF 1500 | Stephen Spitler | | 1st |
| 29.5.1955 | SCCA Regional Thompson [MG] | 3 | TF | Bob Holbert | | 4th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 8 | TD | Gale Arnold | | 17th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 9 | | Campanaro | | 15th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 12 | | Bearns | | 7th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 14 | TD | Don Quackenbush | | 11th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 16 | | A. Drummond | | 14th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 18 | TD | Ray Henley | | 8th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 20 | TC | H. Pitt Kinsolving | | 10th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 22 | TD | Len Bastrup | | 6th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 24 | | C. Scott | | 16th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 25 | | Mead | | 9th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 27 | TD Mk II | Gus Ehrman | | 5th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 28 | TD | McGowan | | 13th |
| 29.5.1955 | SCCA Regional Thompson [FP] | 30 | TF 1500 | Goodwin Stoddard | | 8th |
| 29.5.1955 | SCCA Regional Thompson [MG] | 39 | TF | Sach Masumoto | | 12th |
| 29.5.1955 | Santa Barbara [S1.5] | 50 | Special R2 | Ken Miles | Ken Miles | 1st |
| 29.5.1955 | BRSCC Brands Hatch [S1.5] | 56 | TD | Bill Constable | | 6th |
| 29.5.1955 | SCCA Regional Thompson [FM+CP] | 117 | Special | Guy Atkins | | 9th |
| 29.5.1955 | SCCA Regional Thompson [FP] | 154 | TF 1500 | Colin Wheeler | | 12th |
| 29.5.1955 | Santa Barbara [S1.5] | | Special R1 | Cy Yedor | | 2nd |
| 29.5.1955 | Consolation Santa Barbara [S1.5] | | Special | Jack Dalton | | 4th |
| 29.5.1955 | Consolation Santa Barbara [S1.5] | | Special | Ralph Phillips | | 3rd |
| 29.5.1955 | Santa Barbara [S1.5] | | TC Special | Bob Menefee | | 4th |
| 29.5.1955 | Santa Barbara [Ladies] | | TF | Mary Davis | | ?th |
| 29.5.1955 | Santa Barbara [Ladies] | | TF | Ruth Doushkess | | ?th |
| 29.5.1955 | Santa Barbara [S1.5] | | TF 1500 | Parkinson | | ?th |
| 29.5.1955 | Santa Barbara [Ladies] | | TD | Diane Newton | | ?th |