Hoy to mark 2012 two-year countdown with velodrome ride

Amazingly fit people,these cyclists!

clipped from news.bbc.co.uk Olympic champion Sir Chris Hoy will be the first to cycle in the 2012 velodrome on Tuesday, marking two years to the start of the Games in London. Hoy, who won three track cycling gold medals at the 2008 Beijing Games, will be joined by other sporting stars at the event at London's Olympic Park. American Michael Johnson, who won four Olympic titles, will be sprinting on a temporary track in the Olympic Stadium. And Britain's John Amaechi will be shooting hoops in the basketball arena.