2009 Isle of Man TT

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."

The Blue Riband event of TT Race week was won by Steve Plater claiming victory in the Senior TT and also winning the prestigious Joey Dunlop TT Championship. There were two race wins in a day for Ian Hutchinson with the Supersport Race 1 and the Superstock TT race. The Superbike TT Race was won by John McGuinness and Michael Dunlop was a popular first time winner of the Supersport Race 2. The Sidecar Race 'A' was won by local Isle of Man crew of Dave Molyneux/Dan Sayle. The subsequent Sidecar Race 'B' was abandoned after a serious crash to Nick Crowe/Mark Cox near Ballaugh Bridge on lap 1. The inaugural TTXGP race was won by Rob Barber and Chris Heath was first in the TTXGP Open Class. With three race wins on the Billown Circuit it was Ian Lougher that went on to win the Ultra-Lightweight TT and Lightweight TT Races. The 2nd leg of the Ultra-Lightweight Race was won by Chris Palmer on the Billown Circuit, the 1000 cc Support Race was won by John Burrows with Roy Richardson first in the 600 cc class.