On Sunday evening , three men earned their place on the podium .
Two were Puma athletes : Usain Bolt , the world 's greatest sprinter and the gold medalist , and Mr. De Grasse , who won bronze .
On Sunday evening , three men earned their place on the podium , and two were Puma athletes : Usain Bolt , the world 's greatest sprinter and the gold medalist , and Mr. De Grasse , who won bronze .