Breaking2: high-tech shoe for Nike's bid to break the two-hour marathon | Running | The Guardian
The Road to Sparta: Reliving the Ancient Battle and Epic Run That Inspired the World's Greatest Footrace: Karnazes, Dean: 9781609614744: Amazon.com: Books
Nike blue and grey trainers hi-res stock photography and images - Alamy
A word with Phil Knight, founder of Nike | Business of Travel | Black Tomato