| Dave Chadwick | |
| Nationality: | British |
| Birth Date: | 1930 9, df=yes |
| Birth Place: | Manchester, Lancashire, England |
| Death Place: | Mettet, Belgium |
| Gp Active Years: | 1955 - 1959 |
| Gp Teams: | MV Agusta, Ducati |
| Gp Race Starts: | 20 |
| Gp Championships: | 0 |
| Gp Race Wins: | 0 |
| Gp Podiums: | 7 |
| Gp Total Points: | 55 |
| Gp Poles: | 0 |
| Gp Fastest Laps: | 1 |
| Gp First Race: | 1955 Isle of Man 250cc Lightweight TT |
| Gp Last Race: | 1959 Isle of Man 350cc Junior TT |
David Vincent Chadwick (24 September 1930–15 May 1960)[1] was a Grand Prix motorcycle road racer. His best season was in 1958 when he finished in fourth place in the 350cc world championship, and fifth in the 125cc world championship.[2]
Chadwick was killed in 1960 while competing at the Circuit Jules Tacheny Mettet in Belgium.[1]
Source:[2]
Points system from 1950 to 1968:
| Position | width=20 | 1 | width=20 | 2 | width=20 | 3 | width=20 | 4 | width=20 | 5 | width=20 | 6 |
| Points | 8 | 6 | 4 | 3 | 2 | 1 |
(key) (Races in italics indicate fastest lap)
| Year | Class | Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | Points | Rank | Wins |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1955 | 250cc | RD Special | IOM 5 | GER 3 | NED 5 | ULS 5 | NAT - | 2 | 13th | 0 | |||
| 1956 | 125cc | REF | IOM 5 | NED - | BEL - | GER - | ULS - | NAT - | 2 | 16th | 0 | ||
| 1957 | 125cc | MV Agusta | GER - | IOM - | NED - | BEL - | ULS 4 | NAT - | 3 | 9th | 0 | ||
| 250cc | MV Agusta | GER - | IOM 6 | NED - | BEL - | ULS 2 | NAT - | 7 | 8th | 0 | |||
| 350cc | Norton | GER - | IOM - | NED - | BEL - | ULS 5 | NAT - | 2 | 14th | 0 | |||
| 1958 | 125cc | Ducati | IOM 3 | NED 5 | BEL 4 | GER - | SWE - | ULS 3 | NAT 4 | 14 | 5th | 0 | |
| 250cc | MV Agusta | IOM - | NED - | GER - | SWE - | ULS 3 | NAT - | 4 | 10th | 0 | |||
| 350cc | Norton | IOM 2 | NED - | BEL 6 | GER 3 | SWE - | ULS - | NAT 5 | 13 | 4th | 0 | ||
| 500cc | Norton | IOM 5 | NED - | BEL - | GER - | SWE - | ULS - | NAT 6 | 3 | 15th | 0 | ||
| 1959 | 250cc | MV Agusta | IOM 3 | GER - | NED - | BEL - | SWE - | ULS - | NAT - | 4 | 11th | 0 | |
| 350cc | Norton | FRA - | IOM 6 | GER - | NED - | BEL - | SWE - | ULS - | NAT - | 1 | 16th | 0 | |