He's known to be competitive with his big brother Prince William, but even as a child Prince Harry showed his ambitious streak. Footage from June 1991 shows the little boy taking part in his school sports day – and it's simply adorable! Harry, who was six at the time, had a go in the running race but despite trying his best, he didn't finish first. The royal then had an attempt at the sack race – how did he do? Watch the video below to find out, plus, don't miss Princess Diana enthusiastically taking part in the mums' race.
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