Tags: Olympic Event, Olympics.
The men’s 400 metres competition at the 2012 Summer Olympics in London United Kingdom was held at the Olympic Stadium on 4–6 August.The first round went largely to form but defending champion Lashawn Merritt came to the meet injured and re-injured himself unable to finish. Renny Quow also failed to start his heat. In the first race Oscar Pistorius ran a season best to qualify. In the second heat world champion Kirani James ran easily to win.