1957 Isle of Man TT
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| Race No 2 of 6 races in the 1957 Grand Prix motorcycle racing season. |
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| Date | 3 – 7 June 1957 | ||||||||||||
| Location | Douglas, Isle of Man | ||||||||||||
| Course | Road Course 37.73 mi / 60.20 km |
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| Senior TT 500cc | |||||||||||||
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| Junior TT 350 cc | |||||||||||||
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| Lightweight 250 cc | |||||||||||||
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The 1957 Isle of Man Tourist Trophy was the Golden Jubilee event and the second race in the 1957 Motorcycle World Championships.
The first event was the 350cc 1957 Junior TT race held on the Snaefell mountain course. The race was initially led by Bob McIntyre riding a Gilera motorcycle who beat the lap record for the Junior TT race from a standing start in 23 minutes and 14.2 seconds, an average speed of 97.42 mph and 42 seconds faster than the lap record set by Ray Amm in the 1954 Junior TT Race. On lap 1, John Surtees riding for MV Agusta had to stop at the pits to change a spark plug, followed by Bob McIntrye who had to change a plug on the end of lap 2. The delay to McIntyre handed the lead to Dickie Dale riding a Moto Guzzi Grand Prix single-cylinder and led John Hartle riding a Norton in 2nd place by 22.2 seconds and Bob McIntyre in 3rd place by 24.6 seconds. A delay in the pits on lap 3 for Dickie Dale of 3 minutes and 38 seconds to replace a smashed windscreen allowed Bob McIntyre to regain the lead. An engine failure on lap 4 at Quarry Bends to the Norton of Jackie Wood, caused Dale and Hartle to crash on engine oil left on the road. This allowed Bob McIntyre to comfortably win the 1957 Junior TT Race at an average speed of 94.99 mph.
The 1957 Lightweight TT Race held on the Clypse Course was over 10 laps and 107.90 miles and was dominated by Cecil Sandford riding for the F.B.Mondial marque and team-mate Sammy Miller. By lap 2, Sandford led Miller by 2 seconds and Tarquinio Provini, also riding for Mondial, in a distant 3rd place. By lap 7, Miller had caught up and on lap 9 passed Sandford between the Creg-ny-Baa and Ballacoar Corner for the lead. At Governor's Bridge on the last lap, Miller slipped off his Mondial, allowing Sandford to win the 1957 Lightweight TT Race at an average race speed of 75.80 mph from the MV Agusta pair of Luigi Taveri and Roberto Colombo. An exhausted Miller is forced to push-in his Mondial to finish in 5th place.
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