I want to brag to my kids that I'm still the best - Bolt hoping world records remain intact

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Usain Bolt hopes his world records stand for years after his retirement so he can brag about them to his future children.

Bolt will call time on his sensational career at the IAAF World Championships in London, where he will race in the 100 metres and 4x100m relay.

It will be Bolt's sixth appearance at the Worlds and he will hope to add to the 11 gold medals he has already won.

As well as his world titles and eight Olympic golds, Bolt also holds two world records in the 100m and 200m - both set in 2009 in Berlin.

And he hopes those times - 9.58 seconds in the 100m and 19.19s in the 200m - are not beaten once he has hung up his spikes.

When asked about losing his world records, he told a media conference in London: "I hope not! 

"No athlete wishes their records will be broken!

"I want to brag to my kids when they're 15 that I'm still the best."