Boris Johnson at the Olympic velodrome
Media playback is unsupported on your device
Video

London mayor Boris Johnson christens Olympic velodrome

London's mayor Boris Johnson has taken the opportunity to show off his cycling prowess by completing a couple of laps of the new Olympic velodrome to mark the two year countdown to London 2012.

Matthew Amroliwala and Jane Hill described his progress.

  • 27 Jul 2010
Go to next video: Mayor: London ready for "snap Olympics"