Usada
Nike risks being burned by doping scandal
Citing experiments with testosterone, fat-burning amino acid injections and falsified medical documents, the American anti-doping authority USADA published a...
Alberto Salazar was banned by the United States Anti-Doping Agency (Usada) for a catalogue of drug violations.
Coleman, who holds the year’s fastest time of 9.81 seconds, faces an arbitration hearing next month ahead of the world championships, which begins in Doha on 28 September.
Ryan Lochte, a 12-time Olympic medallist who made headlines in 2016 over a tale about being robbed and held at gunpoint after a party during the Rio Games which he later admitted was 'over-exaggerated', fully cooperated with the investigation.
World 100 metres champion Justin Gatlin said on Tuesday he was “shocked and surprised” at doping allegations made against his coach Dennis Mitchell.
The United States Anti-Doping Agency (USADA) has banned three members of Lance Armstrong's former staff.
Last year, the US Anti-Doping Agency published a report into Armstrong's doping programme.
The USADA accused Lance Armstrong of cheating his way to the top with an elaborate doping operation.
American rider Lance Armstrong’s life ban is being pushed for ratification.
Lance Armstrong was stripped of his seven Tour de France wins and handed a lifetime ban by the USADA.
Lance Armstrong faced a midnight deadline on Thursday to formally challenge the accusations.
U.S. national team goalkeeper Hope Solo tested positive for a banned substance.
Cycling great Lance Armstrong formally responded to USADA allegations.
Lance Armstrong has not been charged with any offences and has repeatedly denied ever cheating.