Fastest lap at the Isle of Man TT races – Lightweight TT
- Who
- Michael Dunlop
- What
- 18:26.543 minute(s):second(s)
- Where
- Isle of Man
- When
- 06 June 2018
The fastest lap in the Lightweight class at the Isle of Man TT races is 18 minutes 26.543 seconds, achieved by Michael Dunlop (UK) on a Paton 650 on 6 June 2018. His average speed was 122.750 mph (197.546 km/h).
Dunlop’s victory in the lightweight race was his 18th at the Isle of Man TT, placing him third on the all-time table. The lap record was broken three times in the same race.