| 12.1.1957 | GP Ardmore | 59 | TA | Keith Yeats | | DNA |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 0 | TF | Jim Honeter | Scuderia Lilliput | 11th |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 3 | TD | Cliff Hensley | Cliff Hensley | 18th |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 8 | Special | Dusty Miller | Dusty Miller | DNA |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 14 | TD Special | David Eyraud | David Eyrand | DNF |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 25 | Special | Jim Chaffee | Dorothy Chaffee, Jim Chaffee | 27th |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 26 | Special | Alan Kerns | Alan Kerns | 14th |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 27 | TD Mk II | James Wilson | James Wilson | 26th |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 42 | Special | Jerry Richards | Jerry Richards, Jr., Jo Goss | DNF |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 43 | A | Edward Brandreth | Edward Brandreth, Jr. | 12th |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 47 | TF | Jack Dair | Jack Dair | 12th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 61 | A | Pete Aumaier | Pete Aumaier | 15th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 62 | A | John Lumkin | J. E. Lumkin | 6th |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 66 | TF 1500 | C. St. John | Dr. C. St. John | DNF |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 77 | A | Elliot Forbes-Robinson | E. Forbes-Robinson | 2nd |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 82 | TD | Gordon Hanson | Gordon Hanson | 16th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 93 | TC | Clarke Whitney | | DNS |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 94 | TF 1500 | Paul Seeger | Paul Seiger | 13th |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 117 | Special | Harry Hanford | Harry J. Hanford | 5th |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 126 | TC | Don Brauer | Donald Brauer | 15th |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 128 | TD Mk II | Robert Scurlock | Robert Scurlock | 22nd |
| 19.1.1957 | Preliminary Pomona [FM+GM+HM] | 129 | Special | John Lawrence | John Lawrence | 12th |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 140 | TC | Don Roberts | Donald Roberts | 14th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 141 | A | Sanford Sinclair | S. L. Sinclair | 3rd |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 155 | TD | Fred Newman | Fredrick Newman | 8th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 160 | A | Robert Brigham | Robert Brigham | 5th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 163 | A | Ray Pickering | Ray Pickering | 9th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 175 | A | Gene Schulman | Robert Schulman | 11th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 177 | A | Nick Jay | Nick Jay | 7th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 194 | A | Frank Nichols | Frank Nichols | 16th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 198 | A | Herbert Jackson | Herbert Jackson | 10th |
| 19.1.1957 | Preliminary Pomona [Production 1.5] | 200 | A | Ted Ury | Ted Ury | 14th |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 215 | TD | William Nickel | William Nickel | 17th |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 226 | TF | John Snider | John Snider | 9th |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 237 | TD Mk II | Sam Taylor | Sam Taylor | 7th |
| 19.1.1957 | Preliminary Pomona [Production 1.3] | 313 | TD | Attila de Lado | Attila de Lado | DNA |
| 20.1.1957 | Pomona [Ladies+Sedan] | 0 | TF | Ruth Honeter | Scuderia Lilliput | DNA |
| 20.1.1957 | Consolation Pomona [Modified+FIII+UR] | 14 | TD Special | David Eyraud | David Eyrand | 10th |
| 20.1.1957 | Consolation Pomona [Modified+FIII+UR] | 25 | Special | Chaffee | Dorothy Chaffee, Jim Chaffee | 8th |
| 20.1.1957 | Pomona [Ladies+Sedan] | 25 | Special | Dot Chaffee | Dorothy Chaffee, Jim Chaffee | DNA |
| 20.1.1957 | Consolation Pomona [Modified+FIII+UR] | 27 | TD Mk II | James Wilson | James Wilson | 4th |
| 20.1.1957 | Consolation Pomona [Modified+FIII+UR] | 42 | Special | Jerry Richards | Jerry Richards, Jr., Jo Goss | 5th |
| 20.1.1957 | Consolation Pomona [Modified+FIII+UR] | 66 | TF 1500 | C. St. John | Dr. C. St. John | 3rd |
| 20.1.1957 | Pomona [Ladies+Sedan] | 237 | TD Mk II | Norah Taylor | Sam Taylor | 11th |