What will happen next? The IAAF will discuss what the Russian authorities have done to fight doping in Vienna on Friday and whether that player should compete in Rio. According to the Interfax news agency, the Russian Olympic champions and the world champions chaired the International Olympic Committee, and players without a history of doping could not enter Rio de Omega. The thirteen sports stars in the letter to Thomas Bach include Alexander Popov, a four-time Olympic champion swimmer, and the judo champion Kaibraev. Brazil on August 12.