2
Recorded Grand Prix wins
Grand Prix motorcycle racing
Chas Mortimer
One rider identity across recorded classes and seasons.
10
Recorded podiums
70
Known starts in available matrices
Coverage-limited observations, not certified career totals. Sprints, unrecorded classifications and unknown starts are excluded. Championship source totals retain their historical scoring context.
Championship timeline
| Season | Class | Position | Reported points | Source |
|---|---|---|---|---|
| 1984 | 250cc | — | 0 | Wikipedia revision ↗ |
| 1979 | 250cc | 13 | 14 | Wikipedia revision ↗ |
| 1978 | 250cc | 18 | 12 | Wikipedia revision ↗ |
| 1977 | 250cc | 28 | 5 | Wikipedia revision ↗ |
| 1977 | 350cc | 40 | 1 | Wikipedia revision ↗ |
| 1976 | 250cc | 7 | 31 | Wikipedia revision ↗ |
| 1976 | 350cc | 3 | 54 | Wikipedia revision ↗ |
| 1976 | 500cc | 14 | 16 | Wikipedia revision ↗ |
| 1976 | 500cc | 14 | 16 | Wikipedia revision ↗ |
| 1975 | 250cc | 6 | 46 | Wikipedia revision ↗ |
| 1975 | 350cc | 6 | 31 | Wikipedia revision ↗ |
| 1975 | 500cc | 10 | 23 | Wikipedia revision ↗ |
| 1974 | 250cc | 6 | 41 | Wikipedia revision ↗ |
| 1974 | 350cc | 5 | 29 | Wikipedia revision ↗ |
| 1974 | 500cc | 28 | 4 | Wikipedia revision ↗ |
| 1973 | 125cc | 2 | 75 | Wikipedia revision ↗ |
| 1973 | 250cc | 6 | 40 | Wikipedia revision ↗ |
| 1973 | 500cc | 23 | 8 | Wikipedia revision ↗ |
| 1972 | 125cc | 3 | 87 | Wikipedia revision ↗ |
| 1972 | 500cc | 6 | 42 | Wikipedia revision ↗ |
| 1971 | 125cc | 5 | 48 | Wikipedia revision ↗ |
| 1971 | 250cc | 8 | 42 | Wikipedia revision ↗ |
| 1970 | 250cc | 6 | 30 | Wikipedia revision ↗ |
| 1969 | 125cc | — | 5 | Wikipedia revision ↗ |
Wikipedia contributors · adapted tables under CC BY-SA 4.0.