London 2012: Olympic BMX - the beginners' guide - Mirror Online
Maris Strombergs Wins BMX Gold - London 2012 Olympics - YouTube
Photos: Highlights from the London 2012 Summer Olympics | TIME.com
Athletes compete in their men's BMX quarter-final run during the London 2012 Olympic Games at the BMX Track in the Olympic Park August 9, 2012. REUTERS/Paul Hanna (BRITAIN - Tags: SPORT CYCLING
London 2012 Olympics: BMX is a crazy ride of faceplants, guts and glory
Olympics 2012: American BMX rider Brooke Crain OK after crashing during her seeding run at London Games