Johnny Duncan
Record type: Motorsport Biographies
Competed in
| Race | Position | Time | Speed | Machine |
|---|---|---|---|---|
| 1935 Senior TT | 4 | 3:16:48.00 | 80.54 | Norton |
| 1935 Junior TT | 7 | 3:27:03.00 | 76.55 | Norton |
| 1934 Senior TT | R | New Imperial | ||
| 1934 Lightweight TT | R | New Imperial | ||
| 1934 Junior TT | R | New Imperial | ||
| 1933 Senior TT | 7 | 3:29:33.00 | 75.64 | Cotton |
| 1933 Lightweight TT | R | Cotton | ||
| 1933 Junior TT | R | Cotton | ||
| 1932 Senior TT | 7 | 3:29:08.00 | 75.79 | Cotton |
| 1931 Senior TT | R | Raleigh | ||
| 1931 Junior TT | R | Raleigh | ||
| 1930 Senior TT | 10 | 3:59:23.00 | 66.21 | Raleigh |
| 1930 Junior TT | R | Raleigh | ||
| 1929 Senior TT | 15 | 4:19:18.00 | 61.13 | Raleigh |
| 1928 Senior TT | 8 | 4:26:00.00 | 59.59 | Raleigh |