Britain’s hopes of continuing its medal rush in the middle-distance races at the World Athletics Championships suffered a massive blow when Max Burgin pulled out of his 800metre heat with a calf injury.
Despite his lack of championship experience, the 20-year was the fastest man in the world this year over two laps of the track and heavily fancied to follow in the footsteps of Jake Wightman and Laura Muir in picking up a medal in Eugene.
