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 1948 Summer Olympics – Men's 400 metres hurdles Athletics at the 1948 Summer Olympics – Men's 400 metres hurdles The men's 400 metres hurdles event at the 1948 Summer Olympic Games took place July 30 and July 31. The final was won by American Roy Cochran. Prior to the competition, the existing World and Olympic records were as follows. The following new Olympic record was set during this competition: The first round was held on 30 July. The two fastest runners from each heat qualified to the semifinals. Heat 1 Heat 2 Heat 3 Heat 4 Heat 5 Heat 6 The semifinals were held on 30 July. The