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
Hot lap Hot lap Hot lap is a term that is associated with some sports. Hot-lapping typically refers to a motorsport in which vehicles are driven around a race track without actually competing for a position or any other recording of performance. Multiple vehicles will typically be on the track, but no passing is allowed, nor any contact. Even though the main purpose is not competitively oriented, many clubs will record lap times, so drivers can measure improvement. Cars may be classified for different levels of performance potential, in order that similarly capable cars and drivers are on the track together. However,