| FASTEST LAPS ON THE BILLOWN CIRCUIT | ||||||||
| NAME | TIME | SPEED | EVENT | |||||
| 1 | Michael Dunlop | 2 | m | 15.951 | s | 112.541 | mph | 2011 Championship |
| 2 | Guy Martin | 2 | m | 16.262 | s | 112.284 | mph | 2011 Championship |
| 3 | Ryan Farquhar | 2 | m | 16.365 | s | 112.199 | mph | 2011 Championship |
| 4 | Conor Cummins | 2 | m | 16.382 | s | 112.185 | mph | 2009 Senior |
| 5 | William Dunlop | 2 | m | 16.441 | s | 112.136 | mph | 2011 Championship |
| 6 | Ian Lougher | 2 | m | 16.750 | s | 111.883 | mph | 2005 Senior |
| 7 | Cameron Donald | 2 | m | 17.510 | s | 111.265 | mph | 2006 Championship |
| 8 | Jason Griffiths | 2 | m | 18.739 | s | 110.279 | mph | 2005 Championship |
| 9 | Dan Kneen | 2 | m | 19.351 | s | 109.795 | mph | 2011 Championship |
| 10 | Steve Mercer | 2 | m | 19.828 | s | 109.420 | mph | 2011 Championship |
| 11 | Martin Finnegan | 2 | m | 19.961 | s | 109.316 | mph | 2007 Senior |
| 12 | Darran Lindsay | 2 | m | 20.213 | s | 109.119 | mph | 2005 Championship |
| 13 | Tim Poole | 2 | m | 20.485 | s | 108.908 | mph | 2006 Championship |
| 14 | Russ Mountford | 2 | m | 20.573 | s | 108.840 | mph | 2011 Championship |
| 15 | Davy Morgan | 2 | m | 20.666 | s | 108.768 | mph | 2010 Championship |
| 16 | Paul Hunt | 2 | m | 21.049 | s | 108.473 | mph | 2007 Senior |
| 17 | Chris Palmer | 2 | m | 21.296 | s | 108.283 | mph | 2007 Post TT |
| 18 | Nigel Beattie | 2 | m | 21.526 | s | 108.107 | mph | 2006 Championship |
| 19 | Stephen Oates | 2 | m | 21.833 | s | 107.873 | mph | 2009 Championship |
| 20 | James McBride | 2 | m | 21.986 | s | 107.757 | mph | 2009 Championship |