| 10.3.1957 | Mansfield [Production 5.0] | 76 | | John Gordon Bennett | | 1st |
| 14.4.1957 | Preliminary Eagle Mountain [BM+CM+DM+EM+FM+GM] | | | Dave Tallaksen | | raced |
| 22.4.1957 | Autosport Goodwood Easter [Production] | 102 | | Flockhart / Coombs | A. S. Hubbard | DNA |
| 19.5.1957 | Coffeyville [CM+DM+EM+BP+CP+DP] | | #XKSS701 (XKD 555) | Bob Stonedale | | ?th |
| 19.5.1957 | Preliminary Coffeyville [CM+DM+EM+BP+CP+DP] | | #XKSS701 (XKD 555) | Bob Stonedale | | 3rd |
| 2.6.1957 | Preliminary Eagle Mountain [BM+CM+DM+EM+FM+GM] | 36 | #XKSS701 (XKD 555) | Bob Stonedale | | 4th |
| 2.6.1957 | SCCA National Eagle Mountain [CM+DM+EM+FM+GM+BP] | 36 | #XKSS701 (XKD 555) | Bob Stonedale | | 5th |
| 9.6.1957 | SCCA National Lime Rock [CM+DM+EM] | 127 | | Richard Kessler | | DNA |
| 23.6.1957 | SCCA National Road America [BM+CM+DM+BP] | 49 | | Dick Thompson | David Herson | DNA |
| 29.6.1957 | 1 h Thompson [Modified] | 114 | | Richard Kessler | | DNA |
| 29.6.1957 | St. Eugene [S+1.5] | | #XKSS716 (XKD 575) | Stan McRobert | | 1st |
| 30.6.1957 | SCCA Regional Thompson [CM+DM+EM+UR] | 114 | | Richard Kessler | | 1st |
| 6.7.1957 | Preliminary Galveston [Novice] | | #XKSS701 (XKD 555) | Robert Ferguson | Robert Stonedale | 2nd |
| 7.7.1957 | SCCA Regional Lime Rock [BM+CM+DM+EM+FM] | 21 | | Richard Kessler | | 2nd |
| 7.7.1957 | Preliminary Galveston [BM+CM+DM+EM+FM] | | #XKSS701 (XKD 555) | Bob Stonedale | Robert Stonedale | DNS |
| 7.7.1957 | Galveston [BM+CM+DM+EM+FM+BP+CP] | | #XKSS701 (XKD 555) | Bob Stonedale | Robert Stonedale | 4th |
| 14.7.1957 | Preliminary Marlboro [CM+DM+EM] | 7 | | Richard Kessler | | 2nd |
| 14.7.1957 | SCCA National Marlboro [BM+CM+DM+EM] | 7 | | Richard Kessler | | 2nd |
| 14.7.1957 | SCCA National Marlboro [BM+CM+DM+EM] | 11 | #XKSS704 (XKD 563) | Dick Thompson | | 5th |
| 14.7.1957 | Preliminary Marlboro [CM+DM+EM] | 11 | #XKSS704 (XKD 563) | Dick Thompson | | 4th |
| 28.7.1957 | SCCA Regional Lime Rock [CM+DM+UR+FIII] | 96 | | Richard Kessler | | DNF |
| 4.8.1957 | SCCA National Virginia [BM+CM+DM+EM] | 11 | #XKSS704 (XKD 563) | Dick Thompson | | 4th |
| 4.8.1957 | Preliminary Virginia [BM+CM+DM] | 11 | #XKSS704 (XKD 563) | Stephen Spitler | | 8th |
| 17.8.1957 | 1 h Harewood Acres | 101 | #XKSS716 (XKD 575) | Stan McRobert | Stanley C. McRobert | 2nd |
| 17.8.1957 | Harewood Acres [S+3.0] | 101 | #XKSS716 (XKD 575) | Stan McRobert | Stanley C. McRobert | 1st |
| 18.8.1957 | SCCA National Montgomery [CM+DM+EM] | 23 | | Richard Kessler | | 10th |
| 1.9.1957 | Mansfield [BM+CM+DM+EM+FM+GM] | 16 | #XKSS701 (XKD 555) | Bob Stonedale | | 2nd |
| 1.9.1957 | Preliminary Mansfield [BM+CM+DM+BP+CP] | 16 | #XKSS701 (XKD 555) | Bob Stonedale | | 2nd |
| 2.9.1957 | St. Eugene [race 7] | | #XKSS716 (XKD 575) | Stan McRobert | | 1st |
| 2.9.1957 | St. Eugene [race 5] | | #XKSS716 (XKD 575) | Stan McRobert | | 1st |
| 2.9.1957 | St. Eugene [race 1] | | #XKSS716 (XKD 575) | Stan McRobert | | 1st |
| 8.9.1957 | 500 mile Road America | 27 | | Kessler / Rubin | Richard Kessler | DNA |
| 14.9.1957 | Preliminary Stillwater [Modified +2.0] | | #XKSS701 (XKD 555) | Bob Stonedale | | 5th |
| 14.9.1957 | Stillwater [Main] | | #XKSS701 (XKD 555) | Bob Stonedale | | 5th |
| 21.9.1957 | GP Watkins Glen | 79 | | Richard Kessler | | DNF |
| 28.9.1957 | Indian Summer Trophy | | #XKSS716 (XKD 575) | Stan McRobert | | 1st |
| 28.9.1957 | Harewood Acres [Formula Libre] | | #XKSS716 (XKD 575) | Stan McRobert | | 1st |
| 29.9.1957 | SCCA National Bridgehampton [BM+CM+DM+EM] | 11 | | Duncan Black | | 8th |
| 29.9.1957 | SCCA National Bridgehampton [BM+CM+DM+EM] | 132 | #XKSS760 (XKD 557)? | Peter Templar | | 13th |
| 20.10.1957 | SCCA Regional Thompson [CM+DM+EM+FM+UR] | 124 | #XKSS760 (XKD 557)? | Peter Templar | | raced |
| 27.10.1957 | SCCA National Virginia [BM+CM+DM+EM] | 11 | #XKSS704 (XKD 563) | Dick Thompson | | DNF |
| 27.10.1957 | SCCA National Virginia [BM+CM+DM+EM] | 124 | #XKSS760 (XKD 557)? | Peter Templar | | DNF |
| 10.11.1957 | Preliminary Galveston [Modified +1.1] | | #XKSS701 (XKD 555) | Bob Stonedale | | 3rd |
| 10.11.1957 | SCCA Regional Galveston [Modified +750] | | #XKSS701 (XKD 555) | Bob Stonedale | | DNF |
| 8.12.1957 | Nassau Trophy | 20 | | Richard Kessler | Richard Kessler | DNA |
| 8.12.1957 | Nassau Trophy | 26 | #XKSS704 (XKD 563) | Dick Thompson | Richard Thompson | DNA |