BBC Sport - Usain Bolt: What's it like to race the fastest man in the world?

What's it like to race the fastest man in the world?

Adam Gemili is the UK's top sprinter. He came fourth to Usain Bolt in the 200m at Rio 2016 and is one of Britain's main hopes for the World Championships in London this August.

But what is it like to race against the fastest man in the world?

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