400 metres hurdles technique needed to compete. As of August 2018 !Rank !Time !Athlete !Country !Date !Venue !Ref !1 !2 !rowspan=2|3 400 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
Athletics at the 2012 Summer Olympics – Men's 110 metres hurdles took another .02 off his national record for the bronze, the rest of the field was not even close, more than a quarter of a second behind. Merritt moves past Renaldo Nehemiah to become the #7 hurdler of all time. The Men's 110m Hurdles competition consisted of heats (Round 1), Semifinals and a Final. The fastest competitors from each race in the heats qualified for the Semifinals along with the fastest overall competitors not already qualified that were required to fill the available spaces in the Semifinals. Prior to this competition, the existing world and Olympic records were as follows: