Track and field chief Sebastian Coe has hailed the emergence of an "extraordinary" group of athletes at the Paris Olympics who have gone some way to filling the void left by Jamaican legend Usain Bolt.
Bolt was a transformational figure in athletics, winning eight Olympic and nine world championship gold medals as he dominated the sprints during his stellar career.
Talk since his retirement after the 2017 world championships in London has always been about who might step into his shoes as the leading pin-up for the sport.
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