I’d be surprised, given how outspoken Sawe is about doping. He invited the AIU to test him before Berlin and Adidas also paid.

> Determined to prove he is competing clean, Adidas provided $50,000 (£36,900) to the Athletics Integrity Unit, the sport's anti-doping body, to frequently test Sawe over a 12-month period.

> That began with a reported 25 out-of-competition tests in the lead-up to Berlin in September, continuing at a similar rate as he prepared for London.

> Sawe said on Monday: "It's very important to me because it gets out the doubt in my career of athletics and yesterday's performance.

> "It shows Sabastian Sawe is clean. It shows running clean is good, and we can run clean and we can run faster.