One of Bolt's 4 x 100m team mates has tested positive for a banned substance – costing Bolt one of his gold medals.
Understanding the populism of the Putin government is more urgent than ever as Russia plays a major geopolitical role in the Middle-Eastern balance.
From Sharapova to the Brownlee brothers, 2016 has given us one step forward to one step back.
The Team Sky boss is due to give evidence to MP's at parliament. Here's what they should ask him.
A handful of countries have introduced anti-doping measures in high-street gyms. Let's nip it in the bud.
What do the concepts like 'cheating' and 'performance enhancing' mean to young African footballers?
A new Russian hack has claimed to reveal the details of so-called therapeutic use exemptions. But could transparency in this area be a benchmark for the fight against drugs in sport?