Welcome to Cycling Weekly’s live text coverage of London 2012 Olympic Games track cycling day four on Sunday, August 5.

Sunday, August 5: London velodrome
Women’s sprint qualifying and rounds
Men’s sprint quarter finals
Men’s omnium pursuit, scratch race and 1km time trial (final)

To activate the live coverage window, click on the ‘play’ button in the panel below.

To add your question or comment to the coverage, fill out the ‘comment’ box within the coverage window.

Related links

London 2012 Olympic Games: Coverage index