The 1950 Ulster Grand Prix was the fifth round of the 1950 Grand Prix motorcycle racing season. It took place on 19 August 1950 at the Clady Circuit. The races for all four classes were run concurrently with each other, with each class being dispatched with a mass start at one-minute intervals (starting with the 500cc class and ending with the 125cc class).
500 cc classification Pos Rider Manufacturer Laps Time Points 1 Geoff Duke Norton 15 2:29:15 8 2 Leslie Graham AJS 15 +57.6 6 3 Johnny Lockett Norton 15 +1:39.6 4 4 Dickie Dale Norton 15 +3:55 3 5 Jock West AJS 15 +9:31 2 6 Umberto Masetti Gilera 15 +13:25 1 7 Nello Pagani Gilera 15 +13:34 8 Phil Heath Norton 9 Tom Turner Norton 10 E. A. Barrett Norton 11 J. F. Kentish Norton 12 F. Fairbairn Vincent 13 E. Braine Norton
350 cc classification Pos Rider Manufacturer Laps Time Points 1 Bob Foster Velocette 14 2:20:55.6 8 2 Reg Armstrong Velocette 14 +12.4 6 3 Harry Hinton Norton 14 +1:15.4 4 4 Eric McPherson AJS 14 +2:00.8 3 5 Cecil Sandford AJS 14 +3:23.4 2 6 Harold Daniell Norton 14 +3:24.4 1 7 Louis Carter Gilera 15 +5:58.4 8 Charlie Gray AJS 15 +7:20.0 9 Les Dear AJS 10 Arthur Wheeler Velocette 11 A. J. Glazebrook AJS 12 A. W. McGaffin AJS 13 G. H. Morgan Velocette 14 J. S. Slater AJS 15 E. R. Evans BSA 16 Syl Anderton AJS 17 John Simister AJS 18 M. Klein AJS 19 R. Macdonald AJS 20 E. V. C. Hardy Norton 21 Dennis Lashmar Velocette 22 Bob Browne AJS 23 C. B. Carr Velocette 24 R. D. McConnell AJS 25 S. Towers AJS 26 W. J. Spratt Norton 27 G. Brockerton Norton 28 W. G. Job AJS 29 S. B. Gifford Velocette
250 cc classification Pos Rider Manufacturer Laps Time Points 1 Maurice Cann Moto Guzzi 12 2:23:41 8 2 Dario Ambrosini Benelli 12 +8:22 6 3 Wilf Billington Moto Guzzi 12 +9:25 4 4 Arthur Burton Excelsior 12 +11:34 3 5 G. Andrews Excelsior 2 6 William Campbell Excelsior 1 7 Chris Tattersall CTS 8 Norman Webb Excelsior 9 Frank Cope AJS
125cc classification Pos. Rider Manufacturer Laps Time/Retired Points 1 Carlo Ubbiali Mondial 10 2:07:53.0 8 2 Bruno Ruffo Mondial 10 +1:05.0 6 3 starters, 2 finishers Source:
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