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Jamaica's Usain Bolt (C) jokes with Canada's Andre De Grasse (L) after they crossed the finish line in the Men's 200m Semifinal during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 17, 2016.   / AFP / OLIVIER MORIN        (Photo credit should read OLIVIER MORIN/AFP/Getty Images)
Jamaica's Usain Bolt (C) jokes with Canada's Andre De Grasse (L) after they crossed the finish line in the Men's 200m Semifinal during the athletics event at the Rio 2016 Olympic Games at the Olympic Stadium in Rio de Janeiro on August 17, 2016.   / AFP / OLIVIER MORIN        (Photo credit should read OLIVIER MORIN/AFP/Getty Images)

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    Usain Bolt cracks joke crossing finish line

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Usain Bolt cracks joke crossing finish line

Usain Bolt joked with competitor Andre De Grasse during the 200-meter semifinals.

Usain Bolt cracks joke crossing finish line

Usain Bolt joked with competitor Andre De Grasse during the 200-meter semifinals.