RIO DE JANEIRO, Aug 14: The world's fastest man will be crowned Sunday night as Olympic athletes in Rio de Janeiro compete for 22 gold medals in 12 sports.

Usain Bolt — a simply unmissable figure to watch — is seeking an unprecedented third straight gold in the 100 meters. He must beat American Justin Gatlin, who posted the fastest time in the heats.

The 400 meter final features a showdown between LaShawn Merritt of the United States, Kirani James of Grenada and Wayde van Niekerk of South Africa.

Britain's Andy Murray, trying to become the first player to win two Olympic singles golds, faces Juan Martin del Potro of Argentina. Venus Williams can become the first tennis player with five Olympic golds if she and Rajeev Ram win the mixed doubles.

On the golf course, Britain's Justin Rose holds a one-shot lead over Sweden's Henrik Stenson going into the final round. It'll be first Olympic medal in golf since 1904.

Olympic all-around champion Simone Biles goes for her third gold in Rio when she competes in the women's vault.

 
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