Jamaican sprinter Usain Bolt says being 30-years-old at the next Olympics may make him too old to keep his world record.
The first man to win six Olympic gold medals in sprinting, Usain Bolt, has visited Rio de Janeiro in Brazil ahead of the 2016 tournament there.
Whilst Bolt is impressed by the work going on in the city, he is less confident about his own ability in three years time.
The 27-year-old believes he may be too old to retain his 100m world record time of 9.58 seconds when the next Olympics comes around.
However, Bolt has expressed that he will do all he can to build on the six golds he already has for 100m, 200m and 4 by 100m Relay events.
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