It is London 1908, and the huge crowds will not be seen again until London 2012. But it has been a controversial and often unhappy Olympics, riven by American-British tensions. The marathon has promised to rise above the ill-feeling. It has taken on a life all of its own, and been hyped as "the greatest long-distance race in the history of the world". And so it proves, as its climax goes beyond the hype, introducing quite unimaginable drama.... and yet greater controversy.