BMX World Championships 2012: Celebrity Hook with Iwan Thomas

Olympic and World Championship medalist Iwan Thomas talks about his formative years as one of the UK's fastest BMX racers. From his first World Championships in Florida back in 1987 to the European Champs in '88, Iwan was among the fastest young riders ini the UK. A series of crashes led the young South Londoner to the relative safety of the athletics track where he went on to win Olympic Silver and World Championship gold medals.