'When I step on the line in Beijing, don't worry. I'll be ready to go,' Gay said on Monday before leaving for Beijing from Munich, where he had been training. He has decided to skip the US track team's training camp in Dalian because he wants to be at Friday's Opening Ceremony.
Qualifying in the 100m dash starts on Aug 15.
Gay, the 100m and 200m world champion, hurt his hamstring early last month at the US Olympic trials while running in the preliminary 200m heats. He had already qualified for the 100m.
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