| 1933 Mannin Moar Grand Prix | |||
|---|---|---|---|
 | |||
| Race details | |||
| Date | 14 July 1933 | ||
| Official name | I Mannin Moar | ||
| Location |
Douglas Circuit Douglas, Isle of Man United Kingdom | ||
| Course | Street circuit | ||
| Course length | 7.4 km (4.6 miles) | ||
| Distance | 50 laps, 370.1 km (230.0 miles) | ||
| Weather | Dry | ||
| Pole position | |||
| Driver | N. Rees & A.W. Fox | ||
| Time | Grid positions were drawn by ballot | ||
| Fastest lap | |||
| Driver |
 Brian Lewis | N. Rees & A.W. Fox | |
| Time | 4:10.0 | ||
| Podium | |||
| First | N. Rees & A.W. Fox | ||
| Second | T.E. Rose-Richards | ||
| Third | G. Eyston | ||
The 1933 Mannin Moar (formally known as I Mannin Moar) was a Grand Prix that was held on 14 July 1933 at the Douglas street circuit in Douglas, Isle of Man, United Kingdom. It was the twenty-third round of the 1933 Grand Prix season, but it did not count towards the championship. The race, contested over 50 laps of 4.6 mi, or 7.4 km, was won by Brian Lewis driving an Alfa Romeo 8C 2300 Monza after starting from pole position.