Athletics - 2008 - 25/07/2008

Action from Crystal Palace as the world's elite athletes put their final preparation together ahead of the Olympic Games. Tyson Gay and Asafa Powell do battle in the 100m, while world 400m champion Christine Ohuruogu hopes for a confidence boost in front of her home crowd before setting off for Beijing. Plus Olympic and World 10,000 metres Champion Kenenisa Bekele gets in on the action.