From the streets of New York to the trails of the Swiss Alps, from Sao Paolo to Paris, Peking or Sydney, men and women, champions or regular people, millions of us run every year. And yet, just 50 years ago, this activity was reserved uniquely for men and confined to stadiums with strict, backward and sexist rules. For the first time, FREE TO RUN tells the fabulous saga of running - a marginal, militant act that has become a universal passion.