Terry Grotefeld
Record type: Motorsport Biographies
Competed in
| Race | Position | Time | Speed | Machine |
|---|---|---|---|---|
| 1972 Ultra Lightweight TT | 11 | 1:31:03.40 | 74.6 | Yamaha |
| 1972 Senior TT | R | Yamaha | ||
| 1972 Production 500 TT | R | Kawasaki | ||
| 1972 Lightweight TT | 20 | 1:40:54.00 | 89.75 | Yamaha |
| 1972 Junior TT | R | Yamaha | ||
| 1972 Formula 750 TT | 20 | 2:12:48.60 | 85.24 | Kawasaki |
| 1971 Ultra Lightweight TT | 15 | 1:51:31.60 | 60.91 | Yamaha |
| 1971 Senior TT | R | Yamaha | ||
| 1971 Lightweight TT | 17 | 1:40:00.00 | 90.56 | Yamaha |
| 1971 Junior TT | R | Yamaha | ||
| 1971 Formula 750 TT | R | Yamaha | ||
| 1970 Ultra Lightweight TT | R | MZ | ||
| 1970 Lightweight TT | R | Yamaha | ||
| 1970 Junior TT | 12 | 2:30:17.20 | 90.39 | Yamaha |
| 1969 Lightweight TT | R | Yamaha | ||
| 1969 Junior TT | 5 | 2:26:44.00 | 92.58 | Yamaha |
| 1968 Lightweight TT | 16 | 2:35:30.80 | 87.36 | Yamaha |
| 1968 Junior TT | 11 | 2:26:55.20 | 92.46 | Yamaha |
| 1967 Production 250 TT | R | Yamaha | ||
| 1967 Lightweight TT | R | Yamaha | ||
| 1966 Ultra Lightweight TT | 19 | 1:25:22.20 | 79.57 | Honda |
| 1966 Lightweight TT | 7 | 2:36:30.60 | 86.8 | Aermacchi |
| 1964 Lightweight MGP | 3 | 1:49:00.00 | 83.08 | Aermacchi |