4 × 400 metres relay 4 × 400 metres relay The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap. It is traditionally the final event of a track meet. At top class events, the first 500 metres is run in lanes. Start lines are thus staggered over a greater distance than in an individual 400 metres race; the runners then typically move to the inside of the track. Relay race runners typically carry a relay baton which they must transfer between teammates. Runners have a
Athletics at the 1952 Summer Olympics – Men's 400 metres hurdles semifinals were held on July 21. The three fastest runners from each heat qualified for the final. Heat 1 Heat 2 Key: =OR = Equalled Olympic record Athletics at the 1952 Summer Olympics – Men's 400 metres hurdles The men's 400 metres hurdles event at the 1952 Summer Olympic Games took place July 20 and July 21. The final was won by American Charles Moore. The first round was held on July 20. The three fastest runners from each heat qualified for the quarterfinals. Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat 6 Heat 7 Heat 8