The worlds greatest sporting event just got even more exciting thanks to the official 2017 Tour de France race guide. This years official race guide gives you exclusive insight into the 21 stages and 3,516km distance from the route director, plus Tour legend Stephen Roche reveals where the race will be won and lost, along with his predictions of wholl challenge for the yellow jersey. Its also packed with profiles and interviews with the worlds best riders including Chris Froome and Richie Porte, and we go undercover to see why the pro peloton altitude train before the Tour