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2017 World Championships in Athletics London, United Kingdom

2017 16th IAAF World Championships - London - Men's 4 x 100m



Host City: London, UKFormat: First round (First 3 & 2 fastest to final) (Aug 12)
Dates: 4–13 August 2017
Nations participating: 205
Athletes participating: 2038
  Main venue: London Stadium
Overview by IAAF  
Fastest in the heats was the United States, just ahead of the well drilled British team. Jamaica won the other heat, with Bolt moving from fourth to first on the anchor in 9.00. Ujah took a metre lead for Britain over the USA on the opening leg of the final, with McLeod in touch for Jamaica. Gatlin made no inroads on the British lead, and Gemili handed over with a metre lead to Talbot. At the final change, Britain were still up on the USA with Jamaica, and Bolt, a further 2½m back on his final race. The home team exchanged relatively late in the zone, crucially enabling the outgoing MitchellBlake to achieve an optimal running speed. Coleman (8.87) bore down on the British anchorman, but Mitchell-Blake (9.04) held on to cross the line with a new European record of 37.47. In the meantime, poor Bolt, in his 44th race at the World Championships, dramatically pulled up with a torn left hamstring. Japan came through for bronze. The biomechanical report of the event showed that Britain’s men spent the least time in the changeover zones, with a total of 5.585 seconds compared with the USA 5.635. The difference between those times of 0.05 was the same at Britain’s winning margin. The exchange process between Gemili and Talbot in particular was a beauty, taking just 0.105. The British were also praised for their final exchange, which took place relatively late in the zone (past the halfway point). This “may have enabled Mitchell-Blake to achieve an optimal running speed during the handover which ensured near maximal speed at transition exit.” Joy at the home team winning was diluted by the sad way for Bolt to finish his career. He would have needed a split of 8.71 to catch Britain, the sort of time he was producing in his heyday




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