J.A. Thomson
Record type: Motorsport Biographies
Competed in
| Race | Position | Time | Speed | Machine |
|---|---|---|---|---|
| 1952 Senior MGP | 43 | 2:59:21.00 | 75.74 | Vincent |
| 1952 Junior MGP | 45 | 3:06:39.00 | 72.78 | Norton |
| 1951 Senior MGP | 40 | 3:10:45.00 | 71.21 | Vincent |
| 1951 Junior MGP | 28 | 3:10:09.00 | 71.44 | Norton |
| 1950 Senior MGP | 45 | 3:12:03.00 | 70.57 | Norton |
| 1950 Junior MGP | R | Norton | ||
| 1949 Junior MGP | R | Norton | ||
| 1948 Junior MGP | R | Norton |