Bob Foster (motorcyclist)
Alfred Robert "Bob" Foster was a British professional Grand Prix motorcycle road racer.
Foster's win on a unit-construction New Imperial in the 1936 Isle of Man TT was the last time that Great Britain won a Lightweight TT.
He won 1950 FIM 350cc World Championship on a Velocette. He also won the 1947 Junior TT at the Isle of Man TT races, the first TT held after the end of the Second World War.1949 point system.
| Position | 1 | 2 | 3 | 4 | 5 | Fastest lap |
| Points | 10 | 8 | 7 | 6 | 5 | 1 |
Points system from 1950 to 1968.
| Position | 1 | 2 | 3 | 4 | 5 | 6 |
| Points | 8 | 6 | 4 | 3 | 2 | 1 |
| Year | Class | Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Points | Rank | Wins |
| 1949 | 350cc | Velocette | IOM
6 | SUI
- | NED
2 | BEL
2 | ULS
- | | | | 16.5 | 3rd | 0 |
| 1949 | 500cc | Moto Guzzi | IOM
NC | SUI
- | NED
- | BEL
- | ULS
- | NAT
- | | | 0 | - | 0 |
| 1950 | 350cc | Velocette | IOM
NC | BEL
1 | NED
1 | SUI
2 | ULS
1 | NAT
- | | | 30 | 1st | 3 |
| 1950 | 500cc | Moto Guzzi | IOM
NC | | | | | | | | 0 | - | 0 |
| 1950 | 500cc | AJS | | BEL
7 | NED
- | SUI
- | ULS
- | NAT
15 | | | 0 | - | 0 |
| 1951 | 250cc | Velocette | | SUI
- | IOM
NC | | | FRA
- | ULS
- | NAT
- | 0 | - | 0 |
| 1951 | 350cc | Velocette | ESP
- | SUI
- | IOM
6 | BEL
- | NED
- | FRA
- | ULS
- | NAT
- | 1 | 16th | 0 |
