8 April 2012 Last updated at 15:36 GMT

Sir Chris Hoy's mum can't watch his World keirin win

Sir Chris Hoy's mum hides during his kierin race

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Sir Chris Hoy's mother covers her eyes for the closing seconds of his keirin race at the World Track Cycling in Melbourne.

Hoy snatched victory on the finish line , after squeezing his way between Simon van Velthooven and Maximilian Levy of Germany.

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