Breaking2: high-tech shoe for Nike's bid to break the two-hour marathon

Elite athletes attempting to shave nearly three minutes off the world record will be equipped with carbon-fibre trainers and drag-reducing clothesNike has revealed that Breaking2, its ambitious project to break the two-hour mark for the marathon, will use a special shoe with a carbon-fibre plate. It will take place later this year at the Autodromo Nazionale Monza complex, a racetrack outside Monza in northern Italy, where the surface is asphalt and speed is certainly king.The world record curren