Fastest lap at the Isle of Man TT races – Supersport
- Who
- Michael Dunlop
- What
- 17:21.604 minute(s):second(s)
- Where
- Isle of Man
- When
- 07 June 2023
The fastest lap in the Supersport class at the Isle of Man TT Races is 17 minutes 21.604 seconds, achieved by Michael Dunlop (UK) on a Yamaha YZF-R6 on 7 June 2023.
Dunlop’s average speed on his third and final lap of the 600-cc Supersport class race was 130.403 mph (209.863 km/h), making him the first Supersport rider to break the 130-mph barrier. He earned his 25th race win at the Isle of Man TT Races.