sentences:  By the end of lap 4, Bob McIntyre passed John Surtees on the road.However, Surtees repassed Bob McIntyre on the road on the Mountain Section as the Gilera team gave McIntyre signals to the slow the pace.The 1957 Senior TT Race was eventually won by Bob McIntyre in 3 hours, 2 minutes and 57.2 seconds at an average speed of 98.99 mph.