Collision course

Mary Decker's clash with Zola Budd at the 1984 Los Angeles Games is one of the biggest and most controversial events in Olympic history. In a head-to-head that gripped the imagination of the world, the 3000 metres race pitted the experienced and glamourous world champion from the host nation against a prodigious, teenage waif from South Africa wearing a hastily-organised British flag on her vest and, memorably, no shoes on her feet. Disastrously,...