Hazel Irvine is at the Manchester Regional Arena as Britain's elite athletes compete for selection for the forthcoming World Championships in Japan. A tough new selection policy means a top-two finish no longer guarantees a place in the team. The main attraction promises to be the men's 100m sprint between fast-rising youngster Craig Pickering and Olympic relay champions Mark Lewis-Francis, Jason Gardener and Marlon Devonish, who has been in the best form of his career.