Bolt on Monday insisted that he will put the finishing touches to his Olympic career in the Brazilian city, Efe news reported.

"This is my last Olympics, for sure. I have done everything, and have proven myself. A lot of people aren't happy," said Bolt.

In a bid for a golden farewell to the Games, the 'Lightning Bolt' will seek a third consecutive win in the 100-metre, 200-metre and 4x100 relay, although his new challenge is to beat the 200-metre world record that he himself set at 19.19 seconds.

Bolt explained that the 100-metre sprint is not stressful but he feels nervous in the 200-metre race.

"I really, really, really want that one," said the Jamaican, referring to breaking the 200-metre world record, which he aims to destroy in less than 19 seconds.

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