High Quality Content by WIKIPEDIA articles! 2008 Isle of Man TT Festival was held between Saturday 24 May and Saturday 7 June on the 37.733-mile Snaefell Mountain Course and was the 89th Isle of Man TT Race. After the 2007 Centenary TT Races, the 2008 event included a second 600cc Supersport Junior TT race and the re-introduction of two-stroke motor-cycle racing with a Lightweight TT and Ultra-Lightweight TT race on the (4.25 mile) Billown Circuit in the Isle of Man.