DATABASE
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Duke, Geoff - overall |
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|---|---|---|---|---|
| Race | Position | Time | Speed | Machine |
| 1959 Junior TT | 4 | 2:50:12.40 | 93.1 | Norton |
| 1958 Senior TT | R | BMW | ||
| 1958 Junior TT | R | Norton | ||
| 1955 Senior TT | 1 | 2:41:49.80 | 97.93 | Gilera |
| 1954 Senior TT | 2 | 1:43:52.60 | 87.19 | Gilera |
| 1953 Senior TT | R | Gilera | ||
| 1952 Senior TT | R | Norton | ||
| 1952 Junior TT | 1 | 2:55:30.60 | 90.29 | Norton |
| 1951 Senior TT | 1 | 2:48:56.80 | 93.83 | Norton |
| 1951 Junior TT | 1 | 2:56:17.60 | 89.9 | Norton |
| 1950 Senior TT | 1 | 2:51:45.60 | 92.27 | Norton |
| 1950 Junior TT | 2 | 3:04:52.00 | 85.73 | Norton |
| 1949 Clubman Senior TT | 1 | 1:21:53.00 | 82.97 | Norton |
