The traditional Thursday afternoon practice session held since 1937 was moved to an evening practice session in line with the Manx Grand Prix to increase the availability of race marshals. The Thursday evening TT practice session was dominated again by John McGuinness who posted a lap of an average speed of 129.084 mph which was slightly slower than his outright TT lap record of an average speed of 129.45 mph.
The traditional Thursday afternoon practice sessions, which have been held since 1937, were moved to an evening session in order to accommodate more race marshals. John McGuinness dominated the Thursday evening TT practice session with a lap time of 129.084 mph, slightly slower than his record average speed of 129.45 mph.