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
Men's 110 metres hurdles world record progression Men's 110 metres hurdles world record progression The following table shows the world record progression in the Men's 110 metres hurdles. The first world record in the 110 metre hurdles for men (athletics) was recognized by the International Amateur Athletics Federation, now known as the International Association of Athletics Federations, in 1912. The IAAF ratified Forrest Smithson's 15.0 mark set at the 1908 London Olympics as the inaugural record. To June 21, 2009, the IAAF has ratified 39 world records in the event. From 1975, the IAAF accepted separate automatically electronically timed records for events up to 400 metres. Starting