USAIN BOLT will race over 100 metres rather than 200m as scheduled at the IAAF Diamond League meeting in Lausanne today.

Bolt has not competed since injuring his Achilles tendon at the Golden Spike meeting in Ostrava six weeks ago and, on the advice of German specialist Dr Hans-Wilhelm Muller-Wolfhart, has accepted he must restrict running bends. That has seen him withdraw from a clash with Walter Dix, the American Olympic bronze medallist who showed he is in excellent shape when winning last Saturday’s Eugene Diamond League meeting in 19.76 seconds.

Instead Bolt will test out his fitness in a 100m race which was not on the original timetable and, apart from fellow Jamaican Yohan Blake, is very lightweight.

However, Bolt sees it as an important step as he resumes his racing schedule and is determined to honour as many of his appearances as possible, even though 200m races may now be ruled out.

“The specialist has told me because of the injury I should avoid running the curve,” Bolt said.

“In the morning when I get up it’s kind of stiff but when I move around it’s fine and goes away.”

Bolt, who saw Dr Muller-Wolfhart immediately after feeling a sore hamstring after his Ostrava race, added: “The doctor said I should take three weeks off and then in the fourth I did speed endurance and last week speed work.

“When I did the speed work I actually tried doing bend work but it aggravated the injury, so I’ve just been doing straight work.

“I’m not really worried. My coach told me when I came into track and field I will get injured.

“The most important thing for me is to get through the race, see where I am at and finish injury free.”