Increasing numbers of amateur athletes are using performance enhancing drugs. But why and at what cost? We dive into the murky world of doping
Team GB might have smashed it, but how to their Brazilian hosts feel about the Olympics? Our man in Rio investigates
"It’s the biggest sporting event in the world, so to be a part of that is amazing...”
Alistair successfully defends his Olympic title from London 2012, while Jonathan takes silver.