| Race details | |||||||||||||||||||||||||||
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| Race 4 of 6 races in the 1950 Grand Prix motorcycle racing season | |||||||||||||||||||||||||||
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| Date | 23 July 1950 | ||||||||||||||||||||||||||
| Location | Geneva, Switzerland | ||||||||||||||||||||||||||
| Course |
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| 500 cc | |||||||||||||||||||||||||||
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| 350 cc | |||||||||||||||||||||||||||
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| 250 cc | |||||||||||||||||||||||||||
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| Sidecar (B2A) | |||||||||||||||||||||||||||
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The 1950 Swiss motorcycle Grand Prix was the fourth race of the 1950 Grand Prix motorcycle racing season. It took place on the weekend of 23 July 1950 in Geneva.
| Pos | Rider | Manufacturer | Laps | Time | Points |
|---|---|---|---|---|---|
| 1 |  Leslie Graham | AJS | 34 | 1:36:57 | 8 |
| 2 |  Umberto Masetti | Gilera | 34 | +1:14 | 6 |
| 3 | Carlo Bandirola | Gilera | 34 | +1:15 | 4 |
| 4 | Geoff Duke | Norton | 34 | +1:44 | 3 |
| 5 | Harold Daniell | Norton | 2 | ||
| 6 | Johnny Lockett | Norton | 1 | ||
| 7 |  Georges Cordey | Norton | |||
| 8 |  Reg Armstrong | Velocette | |||
| 9 |  Georges Houel | Gilera | |||
| 10 | Nello Pagani | Gilera | |||
| 11 | Albert Moule | Norton | |||
| 12 | Arciso Artesiani | MV Agusta | |||
| 13 | Benoît Musy | Moto Guzzi | |||
| 14 | Hans Haldemann | Norton | |||
| 15 |  Jim Swarbrick | Norton | |||
| 16 | Willy Lips | Norton | |||
| 17 | Denis Jenkinson | Norton | |||
| 18 | Phil Heath | Norton | |||
| [1] | |||||
| Pos | Rider | Manufacturer | Laps | Time | Points |
|---|---|---|---|---|---|
| 1 | Leslie Graham | AJS | 25 | 1:11:25 | 8 |
| 2 | Bob Foster | Velocette | 25 | +0:18 | 6 |
| 2 | Umberto Masetti | Gilera | 34 | +1:14 | 6 |
| 3 | Geoff Duke | Norton | 25 | +0:47 | 4 |
| 4 | Reg Armstrong | Velocette | 25 | +1:04 | 3 |
| 5 | Ted Frend | AJS | 25 | +1:12 | 2 |
| 6 | Dickie Dale | AJS | 25 | +1:12 | 1 |
| 7 |  Harry Hinton | Norton | 25 | +1:46 | |
| 8 | Bill Lomas | Velocette | 25 | +1:48 | |
| 9 | Harold Daniell | Norton | 25 | +1:49 | |
| 10 | Johnny Lockett | Norton | |||
| 11 | Tommy Wood | Velocette | |||
| 12 | Syd Jensen | AJS | |||
| 13 |  Väinö Hollming | AJS | |||
| 14 | Fergus Anderson | AJS | |||
| 15 | Phil Heath | Norton | |||
| 16 | Eric McPherson | AJS | |||
| 17 | Ernie Thomas | Velocette | |||
| 18 | Heinrich Stamm | Velocette | |||
| 19 | Bill Beevers | Velocette | |||
| 20 |  J. Zuber | Norton | |||
| 21 | Willy Lips | Norton | |||
| 22 | Arthur Wick | AJS | |||
| [1] | |||||
| Pos | Rider | Manufacturer | Laps | Time | Points |
|---|---|---|---|---|---|
| 1 | Dario Ambrosini | Benelli | 21 | 1:01:48.2 | 8 |
| 2 | Bruno Ruffo | Moto Guzzi | 21 | +47.4 | 6 |
| 3 | Dickie Dale | Benelli | 21 | +57.8 | 4 |
| 4 | Benoît Musy | Moto Guzzi | 21 | +2:42.8 | 3 |
| 5 | Carlo Bellotti | Moto Guzzi | 2 | ||
| 6 | Onorato Francone | Moto Guzzi | 1 | ||
| 7 | Roberto Colombo | Moto Guzzi | |||
| 8 | Elio Scopigno | Moto Guzzi | |||
| 9 | Claudio Mastellari | Moto Guzzi | |||
| [1] | |||||
| Pos | Rider | Passenger | Manufacturer | Laps | Time | Points |
|---|---|---|---|---|---|---|
| 1 | Eric Oliver | Lorenzo Dobelli | Norton | 17 | 52:59.8 | 8 |
| 2 | Ercole Frigerio | Ezio Ricotti | Gilera | 17 | +40.0 | 6 |
| 3 | Ferdinand Aubert | René Aubert | Norton | 17 | +2:34.8 | 4 |
| 4 | Henri Meuwly | Pierre Dévaud | Gilera | 3 | ||
| 5 | Willy Wirth | Fred Schürtenberger | Gilera | 2 | ||
| 6 |  Marcel Masuy | Denis Jenkinson | BMW | 1 | ||
| 7 | Hans Haldemann | Josef Albisser | Norton | |||
| 8 | Heinrich Stamm | ? | Norton | |||
| 9 | Edouard Hordelalay | ? | Norton | |||
| 10 | Fritz Mühlemann | Marie Mühlemann | Norton | |||
| [1] | ||||||
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