Fastest Isle of Man TT Senior TT race
- Who
- John McGuinness
- What
- 1/45.45.80 minute(s):second(s)
- Where
- United Kingdom (Douglas,Isle of Man Mountain Course,)
- When
- 2011
The fastest time recorded by a rider in an Isle of Man TT Senior TT race (6 laps) is 1:45.45.80 by John McGuinness (UK) riding a 1000 cc TT Legends Honda in 2011.
McGuinness achieved an average speed of 206.68 km/h (128.426 mph).