400 metres hurdles 400 metres hurdles The 400 metres hurdles is a track and field hurdling event. The event has been on the Olympic athletics programme since 1900 for men and since 1984 for women. On a standard outdoor track, 400 metres is the length of the inside lane, once around the stadium. Runners stay in their lanes the entire way after starting out of the blocks and must clear ten hurdles that are evenly spaced around the track. The hurdles are positioned and weighted so that they fall forward if bumped into with sufficient force, to prevent injury to the runners. Although
2011 World Championships in Athletics – Men's 110 metres hurdles next 2 fastest (q) advance to the final. Wind:<br>Heat 1: −1.4 m/s, Heat 2: −1.6 m/s Wind: −1.1 m/s 2011 World Championships in Athletics – Men's 110 metres hurdles The Men's 110 metres hurdles at the 2011 World Championships in Athletics was held at the Daegu Stadium on August 28 and 29. The final featured the three fastest 110 hurdlers in history. World Record Holder Dayron Robles took an early lead but was being passed by former record holder Liu Xiang. Between the last two hurdles, Robles' right arm backswing caught Liu's oncoming left arm. Liu hit the tenth hurdle,