Kenya's David Rudisha lit up the Olympic Games last night with a sensational victory in the 800 metres, breaking his own world record in the process.
Rudisha made the most of ideal conditions, storming through the first lap in 49.28 seconds and powering to the gold medal in 1min 40.91sec. That took exactly one tenth of a second off his previous record as all eight finalists set a season's best, personal best or national record.
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