Alberto Contador was stripped of the Tour de France title he won in 2010. Photograph: PA Wire/PA Wire.

It’s a funny thing, credibility, intangible yet immediately identifiable. When you know, you know. Nietzsche believed it came from the senses and befo(...)

 Alberto Salazar promised to co-operate with Usada if it decides to question him. Photograph: Andy Lyons/Getty Images

Mo Farah has been warned by a tearful former team-mate that more revelations about Alberto Salazar are in the pipeline and he risks tarnishing his rep(...)

A former  member of Alberto Salazar’s camp has said the coach used to carry around testosterone gel. Photograph: PA

Mo Farah’s coach Alberto Salazar often warned his athletes not to touch his bags because he feared contaminating them with his testosterone gel, a for(...)

A reports has revealed 1996 Tour de France winner Bjarne Riis ignored doping among team riders when manager of Tinkoff-Saxo. Photograph: Getty

Former Tour de France winner Bjarne Riis failed to act after learning that riders on the professional cycling team he managed were using performance-(...)

Mo Farah celebrating after winning the men’s 5000m final at the London Olympic Games in London in August 2012.  OLIVIER MORIN/AFP/Getty Images

When Mo Farah belatedly issued a passionate statement yesterday in an attempt to claw back some of the damage his reputation has incurred this week,(...)

Ben Foster as disgraced cyclist Lance Armstrong in The Program.

Lance Armstrong’s meteoric rise and catastrophic fall has already been covered in two well-received documentaries, from Alex Holmes and Alex Gibney, b(...)

Lance Armstrong has compared himself to Lord Voldemort, the villain in the Harry Potter series. Photograph: PA

Disgraced cyclist Lance Armstrong has compared himself to Lord Voldemort, the primary antagonist in the fictional Harry Potter novels, and issued a st(...)

Nike signed a €100 million sponsorship deal with the Brazilian Football Confederation in 1996 and still has an agreement with the association – but US attorney general Loretta Lynch would not comment on whether or not the company was involved in the investigation. Photograph: Victor J Blue/Bloomberg

Nike insists it is co-operating with the authorities after the arrests of football officials in Zurich on corruption charges yesterday. US attorney ge(...)

Pat McQuaid: “He (Armstrong) decided to come back. We had no option but to allow him. And he did say his main reason was to promote his cancer charity. We had doubts. Of course we had doubts.” 9:48

There are, by now, so many sides to the story of doping in cycling over the past two decades that it’s gone perfectly and madly around. And around aga(...)

 Pat McQuaid, the former head of UCI, cycling’s world governing body. 9:48

There are, by now, so many sides to the story of doping in cycling over the past two decades that it’s gone perfectly and madly round. And round again(...)