| 1920 Isle of Man Tourist Trophy | |
|---|---|
| Date | 15 & 17 June 1920 |
| Location | Douglas, Isle of Man |
| Course | Isle of Man TT Mountain Course 37.75 miles (60.75 km) |
| Organiser | Auto-Cycle Union |
| Secretary | T.W. Loughborough |
| Junior TT | |
| First | Cyril Williams, AJS |
| Second | J. A. Watson-Bourne, Blackburne |
| Third | J. Holroyd, Blackburne |
| Fastest lap | |
| Eric Williams 44min. 6sec. 51.36 mph New record | |
| Lightweight class | |
| First | R. O. Clark, Levis |
| Second | Gus Kuhn, Levis |
| Third | Frank W. Applebee, Levis |
| Senior TT | |
| First | Tommy de la Hay, Sunbeam |
| Second | Duggie Brown, Norton |
| Third | R. Brown, Sunbeam |
| Fastest lap | |
| George Dance 40min. 43sec. 55.62 mph New record | |
The 1920 Isle of Man TT races was the first races to take place following the end of World War I. Official practice sessions started on 31 May with the races taking place on 15 and 17 June 1920.[1]
The 350cc Junior TT race was won by Cyril Williams riding an AJS motor-cycle and the 250cc Lightweight class by R. O. Clark with a Levis machine.[2] The first post-war Senior TT was won by Tommy de la Hay with a 500c Sunbeam bike.[3]