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Duchess of Cambridge joins Prince William at Anglesey ultra marathon

30 August 2013 Last updated at 13:31 BST

The Duchess of Cambridge has made her first public appearance since the birth of Prince George at the start of an ultra marathon on Anglesey.

Kate joined her husband Prince William at the Ring O' Fire event to the delight of crowds.

The Duke of Cambridge officially started the three-day, 135-mile (220km) coastal run. The couple spent 50 minutes at the event before leaving.

Prince George did not attend.

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