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And suddenly he was standing in front of me. The overwhelming emotion was not to panic at the prospect of interviewing the man who is fast becoming the hottest property in world sport.
In my headphones I could hear BBC's golf correspondent, Iain Carter, hand over to me from the USPGA championship in Minnesota, and the next thing I knew I'm live on the radio, talking to Usain Bolt.
I work out my questions in advance, just in case, in the heat of the battle, I get brain fade and it all goes to mush just at the wrong moment.
You have to take a big deep breath and tell yourself to concentrate, a bit like an athlete visualising their race in the calm moments before the gun goes bang.
It's a simple question, but it's one which is actually quite difficult to answer: Where will Britain's medals come from at the IAAF World Athletics Championships in Berlin next month?
In recent weeks there's been a succession of medical bulletins with key athletes either struggling with injury or out of this summer's showpiece altogether.
Marathon runner Mara Yamauchi, who was second in London this year, Olympic bronze medallist Tasha Danvers and heptathlete Kelly Sotherton will all be left behind with one ailment or another. And they're not alone in spending more time on the treatment table than on the track.
Christine Ohuruogu, Nicola Sanders, Goldie Sayers, Lisa Dobriskey and Martyn Rooney have all had a frustrating season so far with setbacks that have threatened to end their season. Tim Benjamin has simply quit altogether because his body can't take it any more while there's still no word from France on Paula Radcliffe's immediate future.
It seems that Charles Van Commenee's first significant championships as head coach are in danger of being jeopardised with his team ravaged by injury.
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I'm 5 Live's athletics reporter and will be trackside with all the stories behind the scenes, the injuries and intrigue, the gossip and glory.
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