- Peter Hickman
- 135.452 mile(s) per hour
- Isle of Man ()
The fastest average speed by an individual rider over a lap of the Isle of Man TT is 135.452 mph (217.989 km/h), recorded by Peter Hickman (UK) on a BMW S1000RR on the sixth and final lap of the TT Senior race on 8 June 2018.
The 2018 TT races saw near-perfect track conditions and lap records falling in seven classes. In the course of the Senior race, Hickman twice went faster than the outright record of 134.432 mph (216.347 km/h), set by Dean Harrison (UK) in the Superbike race six days earlier.