High Quality Content by WIKIPEDIA articles! The 2009 Isle of Man TT Festival was held between Saturday 30 May and Friday 12 June on the 37.733-mile (60.725 km) Mountain Course. The 2009 TT races again include a second 600 cc Supersport Junior TT race and the Lightweight TT and Ultra-Lightweight TT races held on the 4.25-mile (6.84 km) Billown Circuit in the Isle of Man. A new event for the 2009 Isle of Man TT races was the one-lap TTXGP for racing motorcycles "to be powered without the use of carbon based fuels and have zero toxic/noxious emissions."