| Event | Year | Start | End | Races | Teams |
|---|---|---|---|---|---|
| European Championship | 1981 | 27 Aug | 30 Aug | 6 | 82 |
| Australian National Championships | 1981 | 01 Jan | 01 Jan | ||
| Canadian Championship | 1981 | 01 Jan | 01 Jan | ||
| Championnat de France | 1981 | 01 Jan | 01 Jan | ||
| North American Championship | 1981 | 01 Jan | 01 Jan | ||
| Pre-Worlds | 1981 | 01 Jan | 01 Jan | 6 | 90 |
| UK National Championship | 1981 | 01 Jan | 01 Jan | 6 | 100 |
| UK World’s Qualifying Series | 1981 | 01 Jan | 01 Jan | 6 | 30 |
| World Championship | 1981 | 01 Jan | 01 Jan | 6 | 86 |