The race to dope: Russia's cheating scandal

The Race to Dope

Russia is about to be banned from participating in the next Olympics. Six other countries are on the watch list. Not a week goes by without a new doping scandal in the world of sports. But how does the doping system really work? Who designs the programmes and who supplies the substances? Filmed in 11 countries, this multi-sports investigation explores the implications of widespread doping.