10-second barrier

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The 10-second barrier is the physical and psychological barrier of completing the 100 metres sprint in under ten seconds. The achievement is traditionally regarded as the hallmark of a world-class male sprinter. Its significance has become less important since the late 1990s, as an increasing number of runners have surpassed the ten seconds mark.^[1] The current men's world record holder is Usain Bolt, who ran a 9.58 at the 2009 IAAF World Championship competition.