Usain Bolt marked the one year anniversary of the London Olympic games with a strong performance in the 100 metres.

The event marked one year since the 2012 Olympic opening ceremony, an Olympics in which Bolt excelled winning three gold medals. 

After a controversial month in sprinting, which saw Tyson Gay and Asafa Powell testing positive to a banned substance, Bolt promised to renew faith in Athletics. 

He told the BBC: "I'm clean but you have to be very careful as an athlete because right now there are a lot of things on the banned list."

Tonight, he showed that sport is a much better place without doping by winning the 100m.

Bolt ran 9.85 despite a poor start. The meeting, that took place in a packed Olympic stadium, was the 11th Diamond League meeting of the year, the highlight of the night lived up to expectation as Bolt beat Nesta Carter and Michael Rodgers to get the win.

However, the crowd were disappointed that promising British athlete James Dasaolu did not run due to injury.

Dwain Chambers did compete despite previously being banned for using a banned performance enhancer. 

Bolt will continue to be a vital asset to athletics and a great role model in a sport that has been under threat after doping problems.

After the race, Bolt told the BBC: "It is wonderful competing in London."

Bolt will hope to take this form into the World Championships in Russia in two weeks.


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