Class Lap Record Who When

125cc 1:47.794 William Dunlop 12 June 2005
250cc 1:46.073 Thomas Lawlor 26 August 2007
125 Aprilia 2:06.475 Darragh Murphy 4 April 2009
250/300 Production
LWT 1:51.923 Lee Hill 26 August 2007
Moto3
Supersport 1:41.168 Glen Irwin 8 August 2010
Superbike 1:40.874 Marshall Niell 8 August 2010
Sidecars 1:46.976 John Clarke/Karl McGrath 25 August 2007
Classics 2:01.590 James Conroy 5 October 2013
Classic Superbike 1:53.071 Barry Gill 4 October 2014
Pre Injection 1:47.278 Paraic Dooley 26 May 2013
Production Twins 1:50.138 Dave Butler 6 October 2013
Super Twins 1:46.881 Conor Parkhill 7 October 2012
Supersport Cup 1:45.952 Jordon Bonnar 8 August 2010
Superbike Cup 1:43.985 Karl McGahon 4 October 2014

BSB Superike 1:38.604 Jonathan Rea 17 June 2007
BSB Supercup 1:42.117 Tristan Palmer 17 June 2007
BSB Supersbike Cup 1:41.039 Denis Hobbs 17 June 2007
BSB Supersport Cup 1:43.808 Craig Fitzpatrick 17 June 2007
BSB Superstock 1:43.122 Glen Richards 17 June 2007
BSB 125cc 1:48.089 Tom Hayward 17 June 2007
BSB 125cc Cup 1:47.810 Robbie Stewart 17 June 2007

Fastest Practice lap 1:38.076 Ryuichi Kyonari 20 May 2006

Any errors please let Eamonn Medlar know