On 11 July 2008 Manuel Beltrán tested positive for EPO after the first stage.[181] On 17 July 2008, Riccardo Riccò tested positive for continuous erythropoiesis receptor activator, a variant of EPO,[182] after the fourth stage. In October 2008, it was revealed that Riccò's teammate and Stage 10 winner Leonardo Piepoli, as well as Stefan Schumacher[183] – who won both time trials – and Bernhard Kohl[184] – third on general classification and King of the Mountains – had tested positive.