 The second practice session on Monday 23 August 2010 was held in bluster conditions and early evening rain showers that left wet roads all round the Mountain Course.Despite the conditions, the fastest lap of the session was set by local Isle of Man competitor John Smyth in 21 minutes and 45.78 seconds at an average speed of 104.021 mph.The Senior Classic class was led by Olie Linsdell riding a 500c Paton recording a time at an average speed of 100.327 mph and Michael Dunlop set the fastest time in the Post Classic with a time of 24 minutes and 28.12 seconds an average speed of 92.518 mph riding a 997 cc Suzuki XR69 motorcycle.