| Year | Venue | Rd | Driver | Pos | Time | Car | Score | Total |
|---|---|---|---|---|---|---|---|---|
| 1973 | Bassingbourn | 3 | Mike Richardson | 7 | 35.13 | 2.0 Chevron-BMW B8 | 6 | 6 |
| 1973 | Bassingbourn | 3 | Iris Richardson | 9 | 37.37 | 2.0 Chevron-BMW B8 | 4 | 10 |
| 1973 | Curborough | 4 | Mike Richardson | 8 | 36.74 | 2.0 Chevron-BMW B8 | 5 | 15 |
| 1973 | Duxford | 5 | Mike Richardson | 8 | 47.10 | 2.0 Chevron-BMW B8 | 5 | 20 |
| 1973 | Duxford | 5 | Iris Richardson | 10 | 50.50 | 2.0 Chevron-BMW B8 | 3 | 23 |
| 1973 | Duxford | 6 | Mike Richardson | 10 | 42.60 | 2.0 Chevron-BMW B8 | 3 | 26 |