The 28-year-old double Olympic champion, who has said all year she intended to concentrate on the 100m and sprint relay in Beijing from August 22 to 30, told a press conference on the eve of the 12th Diamond League meeting of the season that her coach, Steven Francis, had indicated she may compete at both sprints in the Bird’s Nest Stadium.

"I was down to do the 100m and relay, but the 200m is still possible," Fraser-Pryce, who competes here tomorrow for the first time since winning the 100 metres in the Paris Diamond League meeting in 10.74sec - the fastest run this year - said with a sidelong grin.

"My coach did say earlier that I was not running the 200m, but last week I was in practice and he said I should do a 100m, a 200m and a 250m.

"I said: 'Why am I going all that way?

"'I’m not running 200m at the World Champs?'

And he said: 'Who says you’re not running?' so I said: 'You did' and he said: 'I’ve changed my mind. I’m not sure.'

"The thing is, I’ve already earned a spot in the 200m as champion, so I wouldn’t be taking it away from anybody else.

"When I think about going back to Beijing next month it is so ironic because that is where I won my first Olympic title.

"When I went to China in 2008 I had no idea I would even get a medal.

"I was just going for the sheer excitement of competing at an Olympics and being star-struck by seeing all the other athletes there.

"Here I am, years later, going back as defending champion and looking forward to making history again."

Fraser-Pryce, who also won the world 100m title in 2009, has been one of the most accomplished championship athletes in recent years.

"When I get to a championship I am very focused and ready to run," she said.

"I think our bodies have memories of running in championships.

"So far I have only lost one championship and that was at the 2011 worlds.

"I rely on past experiences of victory.

"I remember those and how they felt and I just seem to get inspired by that.

"The 200m for me is definitely more strategic.

"When I get to the start line I am thinking ‘Do I go hard for the first 50m, do I go 80 per cent and then blast the last 100m?"

But her answer to the question of whether she therefore felt it was more satisfying to run the longer distance was emphatic.

"No," she said.

"I like the 100!

"I didn’t come out of the blocks very well in Paris but my transition from 30m to 70m was the best part of my race.

"I’ve been training hard since and running some longer distances over 200m, which I don’t like.

"I’m looking forward to getting my racing started again tomorrow."

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